Relevant bibliographies by topics / Graphene - Nano composite materials

Academic literature on the topic 'Graphene - Nano composite materials'

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Published: 6 September 2023

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Journal articles on the topic "Graphene - Nano composite materials"

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Chmielewski, Marcin, Remigiusz Michalczewski, Witold Piekoszewski, and Marek Kalbarczyk. "Tribological Behaviour of Copper-Graphene Composite Materials." Key Engineering Materials 674 (January 2016): 219–24. http://dx.doi.org/10.4028/www.scientific.net/kem.674.219.

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In the present study, the influence of the volume fraction of graphene on the tribological properties of copper matrix composites was examined. The composites were obtained by the spark plasma sintering technique in a vacuum. The designed sintering conditions (temperature 950°C, pressing pressure 50 MPa, time 15 min) allowed obtaining almost fully dense materials. The tribological behaviour of copper-graphene composite materials was analysed. The tests were conducted using a CSM Nano Tribometer employing ball-on-plate tribosystem. The friction and wear behaviour of copper-graphene composite materials were investigated. An optical microscope, interferometer, and scanning electron microscope were used to analyse the worn surfaces. In friction zone, the graphene acts as a solid lubricant, which results in the increase in the content in the composites positively influencing the tribological characteristics of the steel- Cu-graphene composite.
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Alhakeem, Mohammed Ridha H. "An Overview of modeling of nano-composite materials and structures." Brilliance: Research of Artificial Intelligence 2, no. 3 (September 3, 2022): 145–61. http://dx.doi.org/10.47709/brilliance.v2i3.1703.

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The research conducted by many scientists and engineers on nanocomposite materials and continuous systems made from such materials will be reviewed historically in this article by the writers. Nano composites are a form of well-known composite material that has been improved by adding nanoscale fibers and/or particles for reinforcement. These materials may be more appropriate for industrial applications that require material qualities that are noticeably improved. In other words, because of the improved properties of materials at the nanoscale, the material properties of nanocomposites are superior to those of macroscale composites. Designers are using these materials more frequently than traditional composite materials as constituent parts in aerospace, mechanical, and automotive applications. In order to forecast how buildings made of these materials will behave under actual operating conditions, it is crucial to be aware of the research that has been done in this field. The mechanical analyses carried out on various nanocomposite structures, such as those reinforced with carbon nanotubes (CNTR), graphene (GR), graphene platelets (GPLR), graphene oxide (GOR), and multi-scale hybrid (MSH) nano-composite ones, will be reviewed in the sections that follow, along with the most significant aspects of the suggested scientific activities.
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Fu, Xiaolong, Yonghu Zhu, Jizhen Li, Liping Jiang, Xitong Zhao, and Xuezhong Fan. "Preparation, Characterization and Application of Nano-Graphene-Based Energetic Materials." Nanomaterials 11, no. 9 (September 13, 2021): 2374. http://dx.doi.org/10.3390/nano11092374.

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Nano-graphene-based energetic materials, as a new type of composite energetic materials such as desensitizer and combustion catalyst, have attracted extensive attention from energetic researchers. In this paper, the preparation of nano-graphene-based energetic materials, the desensitization effect of nano-graphene-based on energetic compounds, the thermal decomposition and combustion behavior of the materials are reviewed. Meanwhile, the existing problems and future development of nano-graphene-based energetic compounds are discussed.
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Lazarova, Rumyana, Yana Mourdjeva, Diana Nihtianova, Georgi Stefanov, and Veselin Petkov. "Fabrication and Characterization of Aluminum-Graphene Nano-Platelets—Nano-Sized Al4C3 Composite." Metals 12, no. 12 (November 29, 2022): 2057. http://dx.doi.org/10.3390/met12122057.

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Reinforcement of aluminum and aluminum alloys with graphene has been intensively practiced by researchers in the past dozen years. The role of Al4C3, which could be produced unintentionally or purposefully during the composite production, was controversial until it was found that nano-sized carbides were beneficial for strengthening the composites. aluminum-graphene-nano-sized Al4C3 composites were produced by us using the powder metallurgical method and subsequent annealing. The microstructure was investigated using light microscopy (LM), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), X-ray diffraction (XRD), transmission electron microscopy (TEM), and high resolution transmission electron microscopy HRTEM. Nano-sized carbides were found at the interface aluminum-graphene. The formation of a chemical bond between aluminum and graphene during annealing was proved. Lower values of the microhardness and strength characteristics of the composites after extrusion and subsequent annealing during which nano-sized carbides are formed were found in comparison with those obtained after extrusion. It could be supposed that the annealing processes contribute more to the reduction in microhardness and strength characteristics than nano-sized carbides contribute to its increase. The presence of a strong chemical bond between the graphene and the aluminum is manifested in the failure pattern, which is characterized by graphene nano-platelets and nano-sized carbides fracture and semi-pulled out or semi-slipped Al4C3 from the matrix.
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Singh, Abhay Kumar, and Tien-Chien Jen. "A Roadmap for the Chalcogenide-graphene Composites Formation Under a Glassy Regime." Current Graphene Science 3, no. 1 (December 28, 2020): 49–55. http://dx.doi.org/10.2174/2452273204999200918154642.

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Background: Nano-composite is an innovative material having nano in which fillers dispersed in a matrix. Typ-ically, the structure is a matrix- filler combination, where the fillers like particles, fibers, or fragments are surrounded and bound together as discrete units by the matrix. The term nano-composite encompasses a wide range of materials right from three dimensional metal matrix composites to two dimensional lamellar composites. Therefore, the physical, chemical and biological properties of nano materials differ from the properties of individual atoms and molecules or bulk matter. The chalcogenide – graphene composites in glassy regime is the growing novel research topic in the area of composite material science. It is obvious to interpret such materials different physicochemical mechanism. Objective: The key objective of this research work to explore the internal physicochemical mechanism of the chalcogenide – graphene composites under the glassy regime. Including the prime chalcogen alloying element selenium amorphous atomic structure and their fullerene like bonding nature. By accommodating the essential properties of the stacked layers of bilayer graphene. The diffusion, compression and dispersion of the bilayer graphene in selenium rich ternary (X(1-x-y)-Y(x)- Z(y) + GF (bilayer graphene); X = Se, Y = Semimetal or metalloid, Z = None metal) alloys under the complex regime on and after thermal melting process are addressed. Materials and Methods: To synthesize the composite materials the well-known melt quenched method had adopted. More-over, to interpret the amorphous selenium (Se8) chains and rings molecular structures we had used vista software with an available CIF data file. While to show the armchair and zig-zag bonds with bilayer graphene structure the nanotube modeler simulation software has used. Results: Outcomes of this study reveals the chalcogenide -graphene nano composite formation under a glassy regime changes the individual materials structural and other physical properties that is reflecting in different experimental evi-dences, therefore, the modified theoretical concepts for the different properties of such composite materials are interpreted in this study. Discussion: The dispersion and diffusion of the high stiff graphene bonds in low dimension chalcogen rich alloys has been interpreted based on their quadric thermal expansion behaviour. In addition to this, a possible bond angle modification in the formation of X(1-x-y)-Y(x)- Z(y) + GF composites are also addressed. To interpret the distinct optical property behavior of the formed X(1-x-y)-Y(x)- Z(y) + GF composites and parent chalcogenide glassy alloys a schematic model of the energy levels is also addressed. Conclusion: To make a better understating on the formation mechanism such composites, the diffusion and deformation of high stiff graphene σ and π bonds in a low dimension chalcogenide alloy basic mechanism are discussed on basis of novel “thermonic energy tunneling effect” concept, which could result in quadratic thermal expansion of graphene. Moreover, the structural unit modifications of such composite materials are described in terms of their bond angle modifications and in-fluence of the coordination defects. The energy levels suppression and creation of addition sub energy levels in such com-posite materials are discussed by adopting the viewpoint impact of the foreign alloying elements and surface π-plasmonic resonance between the graphene layers in the honeycomb band structure. Thus, this study has described various basic aspects of the chalcogenide system – bilayer graphene composites formation under a glassy regime.
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Huang, Chien-Yu, Yu-Chien Lin, Johnson H. Y. Chung, Hsien-Yi Chiu, Nai-Lun Yeh, Shing-Jyh Chang, Chia-Hao Chan, Chuan-Chi Shih, and Guan-Yu Chen. "Enhancing Cementitious Composites with Functionalized Graphene Oxide-Based Materials: Surface Chemistry and Mechanisms." International Journal of Molecular Sciences 24, no. 13 (June 21, 2023): 10461. http://dx.doi.org/10.3390/ijms241310461.

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Graphene oxide-based materials (GOBMs) have been widely explored as nano-reinforcements in cementitious composites due to their unique properties. Oxygen-containing functional groups in GOBMs are crucial for enhancing the microstructure of cementitious composites. A better comprehension of their surface chemistry and mechanisms is required to advance the potential applications in cementitious composites of functionalized GOBMs. However, the mechanism by which the oxygen-containing functional groups enhance the response of cementitious composites is still unclear, and controlling the surface chemistry of GOBMs is currently constrained. This review aims to investigate the reactions and mechanisms for functionalized GOBMs as additives incorporated in cement composites. A variety of GOBMs, including graphene oxide (GO), hydroxylated graphene (HO-G), edge-carboxylated graphene (ECG), edge-oxidized graphene oxide (EOGO), reduced graphene oxide (rGO), and GO/silane composite, are discussed with regard to their oxygen functional groups and interactions with the cement microstructure. This review provides insight into the potential benefits of using GOBMs as nano-reinforcements in cementitious composites. A better understanding of the surface chemistry and mechanisms of GOBMs will enable the development of more effective functionalization strategies and open up new possibilities for the design of high-performance cementitious composites.
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S. Nasrat, Loai, Berlanty A. Iskander, and Marina N. Kamel. "Carbon Nanotubes Effect for Polymer Materials on Break Down Voltage." International Journal of Electrical and Computer Engineering (IJECE) 7, no. 4 (August 1, 2017): 1770. http://dx.doi.org/10.11591/ijece.v7i4.pp1770-1778.

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Epoxy resin composites reinforced to different types of carbon nano-particles have been fabricated. Carbon black (20, 30 and 40 wt. %), graphene (0.5 to 4 wt. %) and carbon nanotubes (CNT) (0.5 to 2 wt. %) were added with different weight percentages to epoxy. The dielectric strength of composites was tested in several conditions such as (dry, wet, low salinity and high salinity). The mechanical characterization showed that the nano-composite Polymer enhanced by using these particles in the tensile strength. Thermal gravimetric analysis shows effect of these nano-particles on the thermal structure of epoxy resin. Scanning Electron Microscopic test is used to characterize the dispersion of carbon nano-particles and to analysis the fractured parts in the nano scale.
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OGURO, Yusuke, and Akihito MATSUMURO. "Mechanical properties of graphene/Al nano composite materials." Proceedings of Mechanical Engineering Congress, Japan 2016 (2016): S0410203. http://dx.doi.org/10.1299/jsmemecj.2016.s0410203.

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Jayaseelan, Joel, Ashwath Pazhani, Anthony Xavior Michael, Jeyapandiarajan Paulchamy, Andre Batako, and Prashantha Kumar Hosamane Guruswamy. "Characterization Studies on Graphene-Aluminium Nano Composites for Aerospace Launch Vehicle External Fuel Tank Structural Application." Materials 15, no. 17 (August 26, 2022): 5907. http://dx.doi.org/10.3390/ma15175907.

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From the aspect of exploring the alternative lightweight composite material for the aerospace launch vehicle external fuel tank structural components, the current research work studies three different grades of Aluminium alloy reinforced with varying graphene weight percentages that are processed through powder metallurgy (P/M) route. The prepared green compacts composite ingots are subjected to microwave processing (Sintering), hot extruded, and solution treated (T6). The developed Nano-graphene reinforced composite is studied further for the strength–microstructural integrity. The nature of the graphene reinforcement and its chemical existence within the composite is further studied, and it is found that hot extruded solution treated (HEST) composite exhibited low levels of carbide (Al4C3) formations, as composites processed by microwaves. Further, the samples of different grades reinforced with varying graphene percentages are subjected to mechanical characterisation tests such as the tensile test and hardness. It is found that 2 wt% graphene reinforced composites exhibited enhanced yield strength and ultimate tensile strength. Microstructural studies and fracture morphology are studied, and it is proven that composite processed via the microwave method has exhibited good ductile behaviour and promising failure mechanisms at higher load levels.
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Huang, Yu-Wei, Yu-Jiang Wang, Shi-Cheng Wei, Yi Liang, Wei Huang, Bo Wang, and Bin-Shi Xu. "Preparation of graphene/Fe3O4/Ni electromagnetic microwave absorbing nano-composite materials." International Journal of Modern Physics B 33, no. 01n03 (January 30, 2019): 1940055. http://dx.doi.org/10.1142/s0217979219400551.

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Graphene/Fe3O4/Ni nano-composite materials were prepared by one-step hydrothermal method from RGO, FeCl3 ⋅ 6H2O and purity Ni. The structure and electromagnetic microwave absorbing properties were investigated systematically by field emission scanning electron microscope (FESEM), X-ray diffractometer (XRD), X-ray photoelectron spectroscopy (XPS) and vector network analyzer (VNA). The reflectance was simulated based on the electromagnetic parameters to evaluate the absorption properties of the sample. The results show that Fe3O4 and Ni are on the surface of graphene evenly, the composites exhibit excellent microwave absorption properties, reflection loss and broad effective absorption bandwidth are −16.38 dB and 3.60 GHz, as the paraffin wax is 40% and the matching thickness is 2.00–3.50 mm.
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Dissertations / Theses on the topic "Graphene - Nano composite materials"

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Cheekati, Sree Lakshmi. "GRAPHENE BASED ANODE MATERIALS FOR LITHIUM-ION BATTERIES." Wright State University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=wright1302573691.

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Holliday, Nathan. "Processing and Properties of SBR-PU Bilayer and Blend Composite Films Reinforced with Multilayered Nano-Graphene Sheets." University of Cincinnati / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1458300045.

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Rai, Rachel H. "Synthesis and Characterization of Graphene Based Composites for Non-Linear Optical Applications." University of Dayton / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1461600917.

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Liu, Jian. "Fabrication of composite materials with addition of graphene platelets." Thesis, University of Birmingham, 2014. http://etheses.bham.ac.uk//id/eprint/5484/.

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This PhD project set out to tackle the disadvantages of brittleness and low corrosion resistance that ceramics and mild steel bear respectively by developing ceramic and metallic nanocomposites using nanostructured fillers. Graphene platelets (GPLs) as newly emerging carbon materials were chosen as the reinforcing fillers. Two types of nanocomposites were fabricated and their mechanical or corrosion resistant properties were characterized. Alumina (Al2O3) based nanocomposites reinforced with GPLs were sintered and GPL/Nickel (Ni) nanocomposites were produced using an electrodeposition technique. The results show that the mechanical properties of the ceramic matrices are significantly improved by adding nano fillers. Toughening mechanisms induced by GPLs, such as pull-out, crack deflection and crack bridging are observed. On the other hand, the mechanical and corrosion resistance properties of Ni matrix are greatly enhanced by the addition of GPLs. In addition, the higher percentage of GPLs results in finer and more uniform Ni microstructures, leading to the higher hardness and corrosion resistance.
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Shirolkar, Ajay. "A Nano-composite for Cardiovascular Tissue Engineering." Thesis, California State University, Long Beach, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10840053.

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Cardiovascular disease (CVD) is one of the largest epidemic in the world causing 800,000 annual deaths in the U.S alone and 15 million deaths worldwide. After a myocardial infarction, commonly known as a heart attack, the cells around the infarct area get deprived of oxygen and die resulting in scar tissue formation and subsequent arrhythmic beating of the heart. Due to the inability of cardiomyocytes to differentiate, the chances of recurrence of an infarction are tremendous. Research has shown that recurrence lead to death within 2 years in 10% of the cases and within 10 years in 50% of the cases. Therefore, an external structure is needed to support cardiomyocyte growth and bring the heart back to proper functioning. Current research shows that composite materials coupled with nanotechnology, a material where one of its dimension is less than or equal to 100nm, has very high potential in becoming a successful alternative treatment for end stage heart failure. The main goal of this research is to develop a composite material that will act as a scaffold to help externally cultured cardiomyocytes grow in the infarct area of the heart. The composite will consist of a poly-lactic co glycolic acid (PLGA) matrix, reinforced with carbon nanotubes. Prior research has been conducted with this same composite, however the significance of the composite developed in this research is that the nanotubes will be aligned with the help of an electro-magnetic field. This alignment is proposed to promote mechanical strength and significantly enhance proliferation and adhesion of the cardiomyocytes.

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Kudo, Akira Ph D. Massachusetts Institute of Technology. "Growth mechanisms of carbon nano-fibers, -tubes, and graphene on metal oxide nano-particles and -wires." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/104466.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Materials Science and Engineering, 2016.
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (pages 195-208).
Carbon nanostructures (CNS) such as carbon nano-fibers (CNFs), -tubes (CNTs), and graphene are of interest for a diverse set of applications. Currently, these CNS are synthesized primarily by chemical vapor deposition (CVD) techniques, using metal catalysts. However, after CNS synthesis, those metals are oftentimes detrimental to the intended application, and extra steps for their removal, if available, have to be taken. As an alternative to metallic catalysts, metal oxide catalysts are investigated in order to better understand metal-free CVD processes for CNS synthesis. This thesis furthers the mechanistic understanding of metal oxide mediated CNS growth, especially metal oxide nanoparticles (MONPs) for CNTs, thereby addressing yield and expanding the range of known catalysts and atmospheric CVD conditions for CNS growth. CNT and CNF growth from zirconia nanoparticles (NPs) are first studied, and a technique is developed to grow CNTs and CNFs from metal NP (MNP) and MONP catalysts under identical CVD conditions. The morphologies of the catalyst-CNT and -CNF interface for zirconia NPs are found to be different than for iron or chromium NPs via high resolution transmission electron microscopy (HRTEM) including elemental and phase analyses, and evidence of surface-bound base growth mechanisms are observed for the zirconia NPs. Titania NP growth conditions are investigated parametrically to achieve homogeneous and relatively (vs. zirconia) high growth yield, where clusters of CNTs and CNFs separated by only tens of nanometers are observed. Catalytic activity of titania NPs are estimated to be an order of magnitude lower than iron NPs, and a lift-off mechanism for titania NP catalysts is described, indicating that several layers of graphene will cause lift-off, consistent with HRTEM observations of 4-5 layer graphite within the CNFs. Potential catalytic CNS activity of chromia, vanadia, ceria, lithia and alumina NPs are explored, establishing for the first time CNT growth from chromia and vanadia precursor-derived NPs, although the phases of those NPs are not determined during growth. The insights acquired from MONP-mediated CNS growth are applied to demonstrate continuous, high-yield, few-layer graphene formation on titania nanowires.
by Akira Kudo.
Ph. D.
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Smith, Jacob A. "Electrical Performance of Copper-Graphene Nano-Alloys." Ohio University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1550675878730599.

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Evanoff, Kara. "Highly structured nano-composite anodes for secondary lithium ion batteries." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/53388.

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Interest in high performance portable energy devices for electronics and electric vehicles is the basis for a significant level of activity in battery research in recent history. Li-ion batteries are of particular interest due to their high energy density, decreasing cost, and adaptable form factor. A common goal of researchers is to develop new materials that will lower the cost and weight of Li-ion batteries while simultaneously improving the performance. There are several approaches to facilitate improved battery system-level performance including, but not limited to, the development of new material structures and/or chemistries, manufacturing techniques, and cell management. The performed research sought to enhance the understanding of structure-property relationships of carbon-containing composite anode materials in a Li-ion cell through extensive materials and anode performance characterization. The approach was to focus on the development of new electrode material designs to yield higher energy and power characteristics, as well as increased thermal and electrical conductivities or mechanical strength, using techniques that could be scaled for large volume manufacturing. Here, three different electrode architectures of nanomaterial composites were synthesized and characterized. Each electrode structure consisted of a carbon substrate that was conformally coated with a high Li capacity material. The dimensionality and design for each structure was unique, with each offering different advantages. The addition of an external coating to further increase the stability of high capacity materials was also investigated.
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Zhang, Meixi. "Synthesis, characterization of graphene and the application of graphene carbon nanotube composite in fabricating electrodes." University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1445615248.

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MacGibbon, Rebecca Mary Alice. "Designer nano-composite materials with tailored adsorption and sensor properties." Thesis, University of Surrey, 2006. http://epubs.surrey.ac.uk/844469/.

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This thesis is concerned with the possibility of producing novel materials by the sol-gel method that could be incorporated into a new sensing system to be used for the detection of hydrocarbons, in particular methane. Possibilities for a new system include coating optical fibres, at pre-determined points, with a material that causes some sort of disruption in the signal of the fibre when in contact with a hydrocarbon or specifically methane. Dip coating an optical fibre with a sol-gel would be a method for producing an optical fibre based system. This would provide variable chemistry, refractive index and hydrocarbon sensitivity. New silica-based sol-gel materials are presented and titania is incorporated to some of these materials in order to improve the catalytic potential of the system and to increase the refractive index. In order to increase the hydrophobicity and elasticity of the final coatings, organic modifiers are added. The sol-gel materials are characterised by a variety of techniques as both monoliths and thin films. Along with the characterisation, the samples are analysed to determine their potential to adsorb methane and water and the possibility of incorporating the samples in to an optical fibre sensor system utilising ultra-violet/visible spectroscopy. The presence of titania and/or organic modifiers in a silica based sol-gel system are seen to increase significantly the extent of methane adsorption and decrease the extent of water sorption at 293-298 K. It appears that having both titania and organic modifier gives a bigger effect on adsorption than either one alone. The reasons for this are considered in detail.
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Books on the topic "Graphene - Nano composite materials"

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Toshihiro, Yamase, and Pope Michael Thor 1933-, eds. Polyoxometalate chemistry for nano-composite design. New York: Kluwer Academic/Plenum Publishers, 2002.

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Graphene in composite materials: Synthesis, characterization and applications. Lancaster, Pennsylvania: DEStech Publications, Inc., 2013.

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Experimental Study of Nano-materials (Graphene, MoS2, and WSe2). [New York, N.Y.?]: [publisher not identified], 2018.

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Little, Matthew J. Dental composites with nano-scaled fillers. Hauppauge, N.Y: Nova Science, 2010.

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T, Lau Alan K., Hussain Farzana, and Lafdi Khalid, eds. Nano- and biocomposites. Boca Raton: CRC Press, 2010.

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Advanced polymeric materials: From macro- to nano-length scales. Toronto: Apple Academic Press, 2015.

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Graphite, graphene, and their polymer nanocomposites. New York: CRC Press, 2013.

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Composites with micro- and nano-structure: Computational modeling and experiments. New York: Springer, 2008.

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Mira, Mitra, ed. Wavelet methods for dynamical problems: With application to metallic, composite, and nano-composite structures. Boca Raton: Taylor & Francis, 2010.

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Vilgis, T. A. Reinforcement of polymer nano-composites. Cambridge: Cambride University Press, 2009.

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Book chapters on the topic "Graphene - Nano composite materials"

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Singh, Jayant, Deepak Bhardwaj, and Jitendra Kumar Katiyar. "Energy Efficient Graphene Based Nano-composite Grease." In Tribology in Materials and Applications, 95–107. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-47451-5_5.

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Irez, A. B., I. Miskioglu, and E. Bayraktar. "Mechanical Characterization of Epoxy – Scrap Rubber Based Composites Reinforced with Nano Graphene." In Mechanics of Composite and Multi-functional Materials, Volume 6, 45–57. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-63408-1_5.

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Girão, André F., Susana Pinto, Ana Bessa, Gil Gonçalves, Bruno Henriques, Eduarda Pereira, and Paula A. A. P. Marques. "Graphene Oxide: A Unique Nano-Platform to Build Advanced Multifunctional Composites." In Advanced 2D Materials, 193–236. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781119242635.ch6.

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Irez, A. B., E. Bayraktar, and I. Miskioglu. "Reinforcement of Recycled Rubber Based Composite with Nano-Silica and Graphene Hybrid Fillers." In Mechanics of Composite, Hybrid and Multifunctional Materials, Volume 5, 67–76. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95510-0_8.

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Naseem, Z., K. Sagoe-Crentsil, and W. Duan. "Graphene-Induced Nano- and Microscale Modification of Polymer Structures in Cement Composite Systems." In Lecture Notes in Civil Engineering, 527–33. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-3330-3_56.

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AbstractRedispersible polymers such as ethylene–vinyl acetate copolymer (EVA) have attracted attention in construction due to their enhanced flexural strength, adhesion, flexibility and resistance against water penetration. However, EVA particles cluster in a highly alkaline cementitious matrix and exhibit poor interaction with the cement matrix. The underlying mechanism of poor dispersibility of EVA is attributed to hydrophobic groups of polymers, a variation in the adsorption rate and molecular diffusion to the interface where they cluster together. This phenomenon can negatively affect the fresh properties of cement and produce a weak microstructure, adversely affecting the resulting composites’ performance. This study highlights how graphene oxide (GO) nanomaterial alters the nano- and microscale structural characteristics of EVA to minimize the negative effects. Transmission electron microscopy (TEM) revealed that the GO sheets modify EVA’s clustered nanostructure and disperse it through electrostatic and steric interactions. Furthermore, scanning electron microscopy (SEM) confirmed altered microscale structural characteristics (viz. surface features) by GO. The altered and enhanced material scale engineering performance, such as the compressive strength of the resulting cement composite, was notable.
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Irez, A. B., E. Bayraktar, and I. Miskioglu. "Devulcanized Rubber Based Composite Design Reinforced with Nano Silica, Graphene Nano Platelets (GnPs) and Epoxy for “Aircraft Wing Spar” to Withstand Bending Moment." In Mechanics of Composite, Hybrid and Multifunctional Materials, Volume 5, 9–22. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95510-0_2.

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Gupta, Ramendra Kumar, V. Udhayabanu, and D. R. Peshwe. "Effect of Ultrasonic Treatment on Graphite in Metal Matrix Composite." In Novel Applications of Carbon Based Nano-Materials, 171–79. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003183549-11.

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Lee, Joong Kee, and Tae Jin Park. "Electrochemical Characteristics of Nano-Silicon/Graphite Composite for the Anode Material of Lithium Secondary Batteries." In Materials Science Forum, 1074–77. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-995-4.1074.

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Jin, Wen Jie, Taek Rae Kim, Seung Hwan Moon, Yun Soo Lim, and Myung Soo Kim. "Graphite/Carbon Nanofiber Composite Anode Modified with Nano Size Metal Particles for Lithium Ion Battery." In Materials Science Forum, 1078–81. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-995-4.1078.

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Verma, Nisha, and Soupitak Pal. "Graphene-Based Nano-Composite Material for Advanced Nuclear Reactor: A Potential Structural Material for Green Energy." In Liquid and Crystal Nanomaterials for Water Pollutants Remediation, 206–21. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003091486-8.

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Conference papers on the topic "Graphene - Nano composite materials"

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Sakthideepan, M., and P. Nagendran. "A Review of Aluminum-Super Extended Graphite Based Metal Matrix Composite Material." In 1st International Conference on Mechanical Engineering and Emerging Technologies. Switzerland: Trans Tech Publications Ltd, 2022. http://dx.doi.org/10.4028/p-o37qhm.

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Graphene is a wonder material, and it has remarkable mechanical property not only limited to few kind of mechanical properties. This included electrical, optical, thermal capability and resistivity. It is hypothetically an excellent method to approach with Reinforcement in metal matrix composites. This paper totally depends on review of Aluminum – super extended graphite material, super extended graphite is commonly known as a ‘Graphene’. This paper focuses on the review about fabrication methodology and problems faced in fabrication of Al-Graphene based composite, and we analyzed flexible and high possible path to economic consideration. This article covers a step-by-step process for enhancing a composite material for a commercial application. In this study analysis, the mechanical behavior of aluminum-graphene composite is made by potentially reinforced metal matrix method with particulate stir casting method. The main objective of this study is to provide the functional process of graphene based composite effectively. The aluminum (Al-7075 Alloy) is a metal matrix and has 1% of graphene. In recent decades, a hype of graphene material and carbon nano tubes have come due to technological advancement as it leads to commercial establishment. Composite material played the important role in the recent years to replace the traditional material in the easiest manner. Graphene based composite has wide variety of uses and enormous applications to drive for a better future.
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Ijaola, Ahmed O., Ramazan Asmatulu, and Kunza Arifa. "Metal-graphene nano-composites with enhanced mechanical properties." In Behavior and Mechanics of Multifunctional Materials XIV, edited by Ryan L. Harne. SPIE, 2020. http://dx.doi.org/10.1117/12.2560332.

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Elmasry, Ahmed, Wiyao Azoti, and Ahmed Elmarakbi. "Finite Element-Incorporated Multiscale Micromechanics Modelling of Vehicle Crashworthiness for 3-Phases Hybrid Fibres Reinforced Graphene Nano-Composite Materials." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-95091.

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Abstract Crashworthiness focuses on the safety and protection of occupants. In addition, not only do energy absorbing members have to absorb sufficient collision energy, but the vehicle structure must be lightweight to improve power consumption. Nevertheless, estimating vehicle crashworthiness is experimentally expensive and time-consuming. Explicit nonlinear finite element analysis (FEA) is probably the most commonly used modelling technique to evaluate vehicle behaviour during a crash. However, commercial FE software still lacks efficient explicit modelling of lightweight graphene-based nano-composites. This work develops a simple approach to studying 3-phases hybrid fibres/graphene nanoplatelets-reinforced polymer matrix composites through multiscale modelling. Thermo-elasto-plastic response of composites is considered. The heterogeneous material problem is resolved through a kinematic integral equation. A linear spring model LSM is adopted to account for the interfacial behaviour in a modified Mori-Tanaka scheme The non-linear response is established in the framework of the J2 plasticity flow rule coupled with the “Lemaitre-Chaboche” ductile damage. The considered material is short glass -fibres/graphene nanoplatelet/Polyamide-Nylon 6 composite. The model is implemented as a UMAT within LS-DYNA® software for automotive crashworthiness applications. The results highlight the crash performance’s impact, incorporating the influence of the interfacial behaviour and material damage on the peak crash force and specific energy absorption SEA.
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Sun, Yu-Chen, Daryl Terakita, Alex C. Tseng, and Hani E. Naguib. "Poly(vinylidene fluoride)/graphene nano-platelets electrically conductive composite foam for thermoelectric applications." In SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, edited by Nakhiah C. Goulbourne. SPIE, 2015. http://dx.doi.org/10.1117/12.2084220.

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Khan, Muhammad Omer, Ellen Chan, Siu N. Leung, Hani Naguib, Francis Dawson, and Vincent Adinkrah. "Multifunctional Liquid Crystal Polymeric Composites Embedded With Graphene Nano Platelets." In ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASMEDC, 2011. http://dx.doi.org/10.1115/smasis2011-5123.

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This paper studies the development of new multifunctional liquid crystal polymeric composites filled with graphene nano platelets (GNPs) for electronic packaging applications. A series of parametric studies were conducted to study the effect of GNP content on the thermal conductivity of LCP-based nanocomposites. Graphene, ranging from 10 wt. % to 50 wt. %, were melt-compounded with LCP using a twin-screw compounder. The extrudates were ground and compression molded into small disc-shaped specimens. The thermal conductivity of LCP matrix was observed to have increased by more than 1000% where as the electrical conductivity increased by 13 orders of magnitude with the presence of 50 wt% GNP fillers. The morphology of the composites was analyzed using SEM micrographs to observe the dispersion of filler within the matrix. These thermally conductive composites represent potential cost-effective materials to injection mold three-dimensional, net-shape microelectronic enclosures with superior heat dissipation performance.
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Pivak, Adam, Martina Zaleska, Zbysek Pavlik, and Milena Pavlikova. "MACRO-MECHANICAL AND MICRO-MICROMECHANICAL PROPERTIES OF NANO-ENHANCED MAGNESIUM OXYCHLORIDE CEMENT." In 22nd SGEM International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022/6.1/s26.22.

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This study is focused on influence of graphene nanoplatelets as additive in magnesium oxychloride cement (MOC) paste. This material composed of light-burned magnesia, prepared at lower temperatures than ordinary Portland cement (PC), is considered as its eco-efficient low-carbon alternative with properties comparable to high-performance concrete such as high mechanical resistance, stiffness., and low porosity. Two composite pastes were prepared, reference paste and paste enhanced with graphene, and subjected to several testing methods. Among the used analytical techniques, scanning electron microscopy, energy dispersive spectroscopy and tests for assessment structural characteristics, macro-mechanical parameters, and micro-mechanical properties using nanoindentation apparatus were applied. While the results of control sample show excellent performance on its own, the doping MOC paste with graphene nanoplatelets further enhanced composite characteristics in terms of high compactness, mechanical resistance, and hardness. It was concluded that graphene-enhanced magnesia-based composite possesses high mechanical resistance which is crucial for its presumed application in building industry as load-bearing construction material.
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Kilic, Ugur, Muhammad M. Sherif, Sherif M. Daghash, and Osman E. Ozbulut. "Full-Field Deformation and Thermal Characterization of GNP/Epoxy and GNP/SMA Fiber/Epoxy Composites." In ASME 2019 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/smasis2019-5640.

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Abstract Shape memory alloys (SMAs) are a class of metallic alloys that possess remarkable characteristics such as superelasticity and shape memory effect. Superelastic SMAs have been considered as fiber in polymer composites due to their ability to recover their deformation upon removal of load, good energy dissipation capacity and impact resistance. Graphene nanoplatelets (GNPs) consists of small stacks of graphene sheets that are two-dimensional. Both sides of atomic lattice of GNPs contact matrix of a composite system and can generate more sites for potential chemical and physical bonding with the host material. Most importantly, graphene sheets and their derivatives can be produced at large-scale for industrial demand at low-cost. This study explores the fabrication of multi-scale reinforced epoxy matrix composites in which GNPs and SMA strands are employed as nano- and micro-scale reinforcements, respectively. First, GNPs are dispersed into a ductile and brittle epoxy matrix to produce GNP/epoxy nanocomposites. To study the effect of GNP content on the behavior of the developed nanocomposite, GNPs are added to the epoxy-hardener mixture at different weight percentages (neat, 0.1%, 0.25%, 0.5%, 1%, and 2%). Uniaxial tensile tests of the developed nanocomposites are conducted under monotonic load up to failure. The optimum GNP content for GNP-reinforced epoxy matrix is determined and used in the fabrication of SMA fiber/epoxy composite. The developed multiscale reinforced epoxy composites are tested under tensile loading and their full-field strain and temperature behavior are monitored and evaluated using a digital image correlation system and an infrared thermal camera.
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Pujar, Nagabhushan V., N. V. Nanjundaradhya, and Ramesh S. Sharma. "Effect of graphene oxide nano filler on dynamic behaviour of GFRP composites." In ADVANCES IN MECHANICAL DESIGN, MATERIALS AND MANUFACTURE: Proceedings of the First International Conference on Design, Materials and Manufacture (ICDEM 2018). Author(s), 2018. http://dx.doi.org/10.1063/1.5029683.

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Sreearravind, M., Sreehari Peddavarapu, and S. Raghuraman. "Microstructural investigation of aluminum-graphene nano platelets composites prepared by powder metallurgy." In INTERNATIONAL CONFERENCE ON ELECTRICAL, ELECTRONICS, MATERIALS AND APPLIED SCIENCE. Author(s), 2018. http://dx.doi.org/10.1063/1.5032065.

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Liu, Dongjing, Haiying Lin, Yasong Fan, Haidong Zhu, Haidong Yan, and D. G. Yang. "Preparation and Thermal Analysis of the nano-silver /Graphene composite material for packaging module." In 2018 19th International Conference on Electronic Packaging Technology (ICEPT). IEEE, 2018. http://dx.doi.org/10.1109/icept.2018.8480773.

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Reports on the topic "Graphene - Nano composite materials"

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Wang, Qi. Hydrodynamics of Macromolecular and Nano-Composite Materials. Fort Belvoir, VA: Defense Technical Information Center, August 2005. http://dx.doi.org/10.21236/ada437262.

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Liu, C. T. Multi-Scale Approach to Investigate the Tensile and Fracture Behavior of Nano Composite Materials. Fort Belvoir, VA: Defense Technical Information Center, August 2005. http://dx.doi.org/10.21236/ada439722.

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Liu, Chi T. Multi-Scale Approach to Investigate the Tensile and Fracture Behavior of Nano Composite Materials. Fort Belvoir, VA: Defense Technical Information Center, September 2005. http://dx.doi.org/10.21236/ada443333.

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Liu, C. T. Multi-Scale Approach to Investigate the Tensile and Fracture Behavior of Nano Composite Materials. Fort Belvoir, VA: Defense Technical Information Center, June 2004. http://dx.doi.org/10.21236/ada427077.

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Jarosz, Paul, and Paul Kladitis. Scale-up of Next Generation Nano-Enhanced Composite Materials for Longer Lasting Consumer Goods. Office of Scientific and Technical Information (OSTI), February 2020. http://dx.doi.org/10.2172/1601628.

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Daniel, Claus, Beth L. Armstrong, L. Curt Maxey, Adrian S. Sabau, Hsin Wang, Patrick Hagans, and Sue Babinec. Final Report - Recovery Act - Development and application of processing and process control for nano-composite materials for lithium ion batteries. Office of Scientific and Technical Information (OSTI), August 2013. http://dx.doi.org/10.2172/1095726.

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Daniel, C., B. Armstrong, C. Maxey, A. Sabau, H. Wang, P. Hagans, and S. and Babinec. CRADA Final Report for NFE-08-01826: Development and application of processing and processcontrol for nano-composite materials for lithium ion batteries. Office of Scientific and Technical Information (OSTI), December 2012. http://dx.doi.org/10.2172/1059845.

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Barnes, Eftihia, Jennifer Jefcoat, Erik Alberts, Hannah Peel, L. Mimum, J, Buchanan, Xin Guan, et al. Synthesis and characterization of biological nanomaterial/poly(vinylidene fluoride) composites. Engineer Research and Development Center (U.S.), September 2021. http://dx.doi.org/10.21079/11681/42132.

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The properties of composite materials are strongly influenced by both the physical and chemical properties of their individual constituents, as well as the interactions between them. For nanocomposites, the incorporation of nano-sized dopants inside a host material matrix can lead to significant improvements in mechanical strength, toughness, thermal or electrical conductivity, etc. In this work, the effect of cellulose nanofibrils on the structure and mechanical properties of cellulose nanofibril poly(vinylidene fluoride) (PVDF) composite films was investigated. Cellulose is one of the most abundant organic polymers with superior mechanical properties and readily functionalized surfaces. Under the current processing conditions, cellulose nanofibrils, as-received and 2,2,6,6-tetramethylpiperidine-1-oxyl radical (TEMPO) oxidized, alter the crystallinity and mechanical properties of the composite films while not inducing a crystalline phase transformation on the 𝛾 phase PVDF composites. Composite films obtained from hydrated cellulose nanofibrils remain in a majority 𝛾 phase, but also exhibit a small, yet detectable fraction of 𝛼 and ß PVDF phases.
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Kennedy, Alan, Andrew McQueen, Mark Ballentine, Brianna Fernando, Lauren May, Jonna Boyda, Christopher Williams, and Michael Bortner. Sustainable harmful algal bloom mitigation by 3D printed photocatalytic oxidation devices (3D-PODs). Engineer Research and Development Center (U.S.), April 2022. http://dx.doi.org/10.21079/11681/43980.

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The impacts of Harmful Algal Blooms (HAB), often caused by cyanobacteria (Figure 1), on water resources are increasing. Innovative solutions for treatment of HABs and their associated toxins are needed to mitigate these impacts and decrease risks without introducing persistent legacy contaminants that cause collateral ecosystem impacts. This technical note (TN) identifies novel opportunities enabled by Additive Manufacturing (AM), or 3D printing, to produce high surface area advanced material composites to rapidly prototype sustainable environmental solutions for aquatic nuisance species control. This innovative research explores deployment of 3D-printable polymer composite structures containing nano-scale photocatalysts for targeted open water treatment of HABs that are customizable to the site-of-concern and also retrievable, reusable, and sustainable. The approach developed to control cyanobacteria HAB events has the potential to augment or replace broadcast, non-specific chemical controls that otherwise put non-target species and ecological resources at long-term risk. It can also augment existing UV-treatment HAB treatment control measures. The expected research outcome is a novel, effective, and sustainable HAB management tool for the US Army Corps of Engineers (USACE) and resource managers to deploy in their HAB rapid response programs. The research will provide a framework for scale-up into other manufacturing methods (e.g., injection molding) to produce the devices in bulk (quickly and efficiently). Research for this project title “Mitigation of Harmful Algal Bloom Toxins using 3D Printed Photocatalytic Materials (FY21-23)” was sponsored by the US Army Engineer Research Development Center’s (ERDC) Aquatic Nuisance Species Research Program (ANSRP).
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