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Добірка наукової літератури з теми "EPOXY MICROSPHERE"

Автор: Grafiati

Опубліковано: 26 жовтня 2023

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Статті в журналах з теми "EPOXY MICROSPHERE"

d'Almeida, J. R. M. "Evaluation of the Compressive Yield Strength of Hollow Glass Microsphere – Epoxy Composites as a Function of the Microsphere/ Epoxy Interface Strength." Polymers and Polymer Composites 15, no. 6 (September 2007): 445–51. http://dx.doi.org/10.1177/096739110701500603.

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Анотація:

The compressive yield strength of glass microsphere – epoxy composites was evaluated as a function of the interface strength. The behaviour of composites with microspheres without any surface treatment was compared with that of composites fabricated with silane-treated and silicone oil-treated microspheres. Varying the hardener-to-epoxy ratio of the matrix also modified the interface. The results were compared with those derived from theoretical models, and it was shown that for hollow glass microsphere composites the effect of surface treatment can be quantitatively described using extant models. Changes in the reinforcing effect and stress concentration factor caused by the presence of the microspheres are discussed, and the experimental results explained.

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Li, Rui, Guisen Fan, Xiao Ouyang, Guojun Wang, and Hao Wei. "Dynamic mechanical behaviors of epoxy resin/hollow polymeric microsphere composite foams under forced non-resonance and forced resonance." Composites and Advanced Materials 30 (January 1, 2021): 263498332110081. http://dx.doi.org/10.1177/26349833211008195.

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Composite foams with 10–50 vol% hollow polymeric microspheres were prepared using bisphenol A epoxy resin and polyetheramine curing agent as the matrix. The results demonstrated that the density, hardness, and static mechanical properties of the epoxy resin/hollow polymer microsphere composite foams, as well as their dynamic mechanical properties under forced non-resonance, were similar to those of polymer/hollow glass microsphere composite foams. At 25°C and under 1–100 Hz forced resonance, the first-order and second-order resonance frequencies of the composite foams shifted to the low-frequency region as the volume fraction of hollow polymer microspheres increased. Meanwhile, the first-order and second-order loss factors of the as-prepared composite foams were improved by 41.7% and 103.3%, respectively, compared with the pure epoxy resin. Additionally, the first-order and second-order loss factors of the as-prepared composite foams reached a maximum at 40 vol% and 30 vol% hollow polymer microspheres, respectively. This research helps us to expand the application range of composite foam materials in damping research.

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Liu, Xin, Guohui Wang, Jiahua Pei, Zhi Wang, and Zhanjun Wu. "Fabrication and mechanical properties of a novel epoxy-hollow glass microsphere composite." Journal of Composite Materials 52, no. 12 (September 21, 2017): 1627–32. http://dx.doi.org/10.1177/0021998317730895.

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Анотація:

According to the demand of deep-sea buoyancy material with high compression strength and low density, a novel epoxy-hollow glass microsphere composite was manufactured and characterized. Firstly, the epoxy resin is modified by chemical modification methods using poly(methyltriethoxysilane) to improve the toughness of epoxy resin. Then, the ammonium bicarbonate is used as the foaming agent to add into the epoxy resin to produce the bubbles. After mixing with a small amount of hollow glass microsphere, the modified epoxy-hollow glass microsphere composite with foams is fabricated. IR spectrum indicates that the silicone has been successfully grafted on the epoxy resin chain, which benefits the toughness of the resin. It can be found that a lot of smaller bubbles exist on the surface of hollow glass microsphere by SEM, which further reduces the density of the modified epoxy-hollow glass microsphere composite. The compression strength has been significantly improved since the bubbles on the surface of glass beads play the role of a buffer balloon and there are few air bubbles in the resin matrix. The coefficient of water absorption for the modified epoxy-hollow glass microsphere composite also increased. The flexural strength of the modified epoxy-hollow glass microsphere composite was slightly reduced at the same time. The results here confirm a promising method for buoyancy materials to promote the compression strength and reduce the density.

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WANG, CHENG-CHIEN, JING-MO LIN, CHUN-RONG LIN, and SHENG-CHANG WANG. "PREPARATION AND APPLICATION OF HOLLOW SILICA/MAGNETIC NANOCOMPOSITE PARTICLE." International Journal of Modern Physics: Conference Series 06 (January 2012): 601–9. http://dx.doi.org/10.1142/s2010194512003844.

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The hollow silica/cobalt ferrite ( CoFe 2 O 4) magnetic microsphere with amino-groups were successfully prepared via several steps, including preparing the chelating copolymer microparticles as template by soap-free emulsion polymerization, manufacturing the hollow cobalt ferrite magnetic microsphere by in-situ chemical co-precipitation following calcinations, and surface modifying of the hollow magnetic microsphere by 3-aminopropyltrime- thoxysilane via the sol-gel method. The average diameter of polymer microspheres was ca. 200 nm from transmission electron microscope (TEM) measurement. The structure of the hollow magnetic microsphere was characterized by using TEM and scanning electron microscope (SEM). The spinel-type lattice of CoFe 2 O 4 shell layer was identified by using XRD measurement. The diameter of CoFe 2 O 4 crystalline grains ranged from 54.1 nm to 8.5 nm which was estimated by Scherrer's equation. Additionally, the hollow silica/cobalt ferrite microsphere possesses superparamagnetic property after VSM measurement. The result of BET measurement reveals the hollow magnetic microsphere which has large surface areas (123.4m2/g). After glutaraldehyde modified, the maximum value of BSA immobilization capacity of the hollow magnetic microsphere was 33.8 mg/g at pH 5.0 buffer solution. For microwave absorption, when the hollow magnetic microsphere was compounded within epoxy resin, the maximum reflection loss of epoxy resins could reach -35dB at 5.4 GHz with 1.9 mm thickness.

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Zeltmann, Steven Eric, Brian Chen, and Nikhil Gupta. "Thermal expansion and dynamic mechanical analysis of epoxy matrix–borosilicate glass hollow particle syntactic foams." Journal of Cellular Plastics 54, no. 3 (February 9, 2017): 463–81. http://dx.doi.org/10.1177/0021955x17691566.

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Syntactic foams are commonly fabricated with sodalime–borosilicate glass hollow microsphere fillers, which are susceptible to degradation after long-term or high temperature moisture exposure. In comparison, borosilicate glass hollow particles offer higher degradation resistance to moisture, lower thermal expansion, and higher softening temperature. This work explores borosilicate glass hollow microspheres for use as fillers in syntactic foams and studies their thermophysical properties. The coefficient of thermal expansion over the temperature range 35–90℃ was observed to decrease from 62.4 μ/K for the matrix resin to a minimum of 24.3 μ/K for syntactic foams, representing higher thermophysical stability of syntactic foams. Theoretical models are used to conduct parametric studies and understand the correlation between material parameters and coefficient of thermal expansion of syntactic foams. The dynamic mechanical analysis results show that the storage modulus of syntactic foams increases with increasing glass hollow microsphere wall thickness and with decreasing glass hollow microsphere volume fraction in the glassy region at 40℃. The β-relaxation of the matrix resin found at 66.1 ± 2.0℃ was suppressed in the majority of syntactic foams, further improving the stability around typical application temperatures.

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Khagokpam, Gopal Krishna Singh, and Sudipta Halder. "Paraffin wax microsphere embedded epoxy composites for potential thermal management in electronic devices." High Performance Polymers 31, no. 7 (August 19, 2018): 767–77. http://dx.doi.org/10.1177/0954008318792984.

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Miniaturization of electronic devices with more computing power has created a challenging set of aspects in thermal management. Present work is based on phase change materials microsphere and its incorporation in the epoxy network to develop a new class of potting material facilitating thermal management for miniaturized electronic devices. A facile and scalable method was implemented to synthesize paraffin wax microspheres (PMPs). It was dispersed into a room temperature curing epoxy network to fabricate the epoxy composite with high latent heat of fusion and high thermal stability. PMPs obtained have spherical morphology with an average diameter of approximately 5 µm. The PMP/epoxy composite can store 34.34 and 49.3 J g−1 of latent heat energy at 30 and 40 wt% PMP loading, respectively. Leakage test reveals that leaching declined as the size of PMP is reduced. Incorporation of PMP into the epoxy network reduces the compressive strength, but still resilient enough to protect electronic devices. This is an added advantage over the potential to mitigate the issue of hot spot in electronic devices as demonstrated by infrared thermography. The application of such composite is not limited only as electronic potting materials but also has the potential for other thermal energy storage applications.

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Luo, Lida, Qian Ma, Qingwei Wang, Linfeng Ding, Ziyan Gong, and Weizhong Jiang. "Study of a Nano-SiO2 Microsphere-Modified Basalt Flake Epoxy Resin Coating." Coatings 9, no. 3 (February 27, 2019): 154. http://dx.doi.org/10.3390/coatings9030154.

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Basalt flakes (BFs) have been widely used in recent years as a novel anticorrosion material in the marine industry to prevent the corrosion of metal substrates. In this study, BFs were modified with 1–7‰ nano-SiO2 microspheres, and a modified BF epoxy coating was successfully prepared. Experimental results showed that the BF epoxy resin coating modified with 3‰ nano-SiO2 microspheres exhibited excellent chemical durability (surface weight loss rate of 2.2% in the alkali solution and only 1.1% in the acid solution at room temperature after 480 h), low water infiltration (water absorption of 0.72% after 480 h), and good mechanical performance (tensile strength of approximately 33.4 MPa). This study proves the feasibility of using nano-SiO2 microspheres to modify BF epoxy resin coating and enhance the chemical durability and mechanical properties provided by the coating.

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Han, Zhiliang, Jinlu Wang, Qingliang You, Xueqing Liu, Biao Xiao, Zhihong Liu, Jiyan Liu, and Yuwei Chen. "AC Electric-Field Assistant Architecting Ordered Network of Ni@PS Microspheres in Epoxy Resin to Enhance Conductivity." Polymers 13, no. 21 (November 5, 2021): 3826. http://dx.doi.org/10.3390/polym13213826.

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By using the low loading of the conductor filler to achieve high conductivity is a challenge associated with electrically conductive adhesion. In this study, we show an assembling of nickel-coated polystyrene (Ni@PS) microspheres into 3-dimensional network within the epoxy resin with the assistance of an electric field. The morphology evolution of the microspheres was observed with optical microscopy and scanning electron microscopy (SEM). The response speed of Ni@PS microsphere to the electric field were investigated by measuring the viscosity and shear stress variation of the suspension at a low shear rate with an electrorheological instrument. The SEM results revealed that the Ni@PS microspheres aligned into a pearl-alike structure. The AC impedance spectroscopy confirmed that the conductivity of this pearl-alike alignment was significantly enhanced when compared to the pristine one. The maximum enhancement in conductivity is achieved at 15 wt. % of Ni@PS microspheres with the aligned composites about 3 orders of magnitude as much as unaligned one, typically from ~10−5 S/m to ~10−2 S/m.

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Geng, Hai Tao, Jia Chen Liu, and Sue Ren. "Effects of Diluent on Mechanical Properties of Hollow Glass Microsphere Reinforced Epoxy Resin Composite." Key Engineering Materials 680 (February 2016): 525–28. http://dx.doi.org/10.4028/www.scientific.net/kem.680.525.

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In order to improve the mechanical properties of hollow glass microspheres (HGMs) reinforced epoxy resin composite, diluent was added in the system of epoxy resin. The results revealed that more HGMs can be filled in the epoxy resin when appropriate amount diluent was added in the system, thus composite with relative low bulk density 0.70g/cm3 and high compressive strength 71.85MPa was obtained. It was due to that the diluent reduce the viscosity of the epoxy resin, which ensures uniform wetting of the fillers and enables more HGMs to be filled in resin. Besides, addition of diluent improved the adhesive strength between the epoxy resin and HGMs, making the composite having a relative high specific strength and can be used in weight sensitive filed.

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Li, Rui, Guisen Fan, Peng Wang, Xiao Ouyang, Ning Ma, and Hao Wei. "Effects of silane coupling agent modifications of hollow glass microspheres on syntactic foams with epoxy matrix." Polymers and Polymer Composites 29, no. 9_suppl (October 18, 2021): S1191—S1203. http://dx.doi.org/10.1177/09673911211046796.

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Анотація:

A syntactic foam was prepared from an epoxy resin matrix and modified hollow glass microsphere fillers. Modification by silane coupling agents with different molecular structures was analyzed, and the optimal content of the silane coupling agent was determined. The results demonstrated that all silane coupling agents enhanced the adhesion between the hollow glass microspheres and epoxy resin matrix, resulting in enhanced water absorption, compressive performance, tensile performance, and bending performance compared to those prepared using unmodified hollow glass microspheres. Among silane coupling agents with different end groups, the one with a sulfhydryl end group exhibited optimal modification for hollow glass microspheres. Among the silane coupling agents with different backbone structures, the one with silanol groups exhibited the optimal modification of hollow glass microspheres. Additionally, the performance of the syntactic foams was optimal when 6% of the silanol-containing coupling agent was used. The results demonstrated that syntactic foams prepared with hollow glass microspheres modified by silane coupling agents exhibited improvements in water absorption, compressive performance, tensile performance, and bending performance, compared with those prepared using unmodified hollow glass microspheres. Among silane coupling agents with different end structures, the one with a sulfhydryl group as end group showed the best modification effect on hollow glass microspheres. The water absorption was 0.35%, the compressive strength was 62.15 MPa, the tensile strength was 40.15 MPa, and the bending strength was 53.17 MPa. Among silane coupling agents with different backbone structures, the one with silanol groupsbonds showed the best results. Its compressive strength was up to 64.15 MPa, the tensile strength was 35.47 MPa, and the bending strength was 53.99 MPa.

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Більше джерел

Дисертації з теми "EPOXY MICROSPHERE"

Young, Peter Aerospace Civil &amp Mechanical Engineering Australian Defence Force Academy UNSW. "Fracture analysis of glass microsphere filled epoxy resin syntactic foam." Awarded by:University of New South Wales - Australian Defence Force Academy. School of Aerospace, Civil and Mechanical Engineering, 2008. http://handle.unsw.edu.au/1959.4/38657.

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Hollow glass microspheres have been used extensively in the automotive and marine industries as an additive for reducing weight and saving material costs. They are also added to paints and other materials for their reflective properties. They have shown promise for weight critical applications, but have thus far resulted in materials with low fracture toughness and impact resistance when combined with thermosetting resins in syntactic foam. The advent of commercially available microspheres with a wide range of crushing strengths, densities and adhesive properties has given new impetus to research into syntactic foam with better fracture behaviour. Current research suggests that the beneficial effects on fracture and impact resistance gained by the addition of solid reinforcements such as rubber and ceramic particles are not seen with the addition of hollow glass microspheres. The research presented in this paper has examined the mechanisms for fracture resistance in glass microsphere filled epoxy (GMFE) syntactic foams, as well as determined the effect microsphere crushing strength and adhesion strength has on the material???s fracture toughness. The flexural properties of various GMFE have also been determined. GMFE were manufactured with varying microsphere volume fraction up to 50%, and with variances in microsphere crushing strength and adhesion. The specimens were tested for Mode I fracture toughness in a three point single edge notched bending setup as described in ASTM D5045 as well as a three point flexural setup as described in ASTM D790-3. Fracture surfaces were inspected using scanning electron microscope imaging to identify the fracture mechanisms in the presence of microspheres. Results indicate a positive effect on fracture toughness resulting from new fracture areas created as tails in the wake of the microspheres in the fracture plane. Results also indicate a negative effect on fracture toughness resulting from weak microspheres or from interfacial disbonding at the fracture plane. These two effects combine to show an increase in GMFE fracture toughness as the volume fraction of microspheres is increased to between 10 ??? 20% volume fraction (where the positive effect dominates), with a reduction in fracture toughness as microspheres are added further (where the negative effect dominates).

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Chitrakar, Rojer. "Fabrication and Performance Evaluation of Porous Microsphere Filled Epoxy Composites." OpenSIUC, 2021. https://opensiuc.lib.siu.edu/theses/2882.

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Анотація:

Syntactic foams are hollow particles-filled lightweight composites that are widely used in areas that require high strength while maintaining low weight and density. These foams are highly tailorable materials whose properties can be altered during the manufacturing process by changing various parameters like matrix and microballoon material type, size, distribution, as well as the volume fraction and wall thickness of microballoons. Therefore, understanding the effect of these parameter changes in the behavior of syntactic foams is very important to manufacture the foam for different applications. In the present study, syntactic foams of various volume fractions of microballoons were fabricated and different mechanical testing was conducted to study their elastic and viscoelastic behavior. Moreover, density, void content, and microstructure of the syntactic foam with varying volume fractions of microballoons were also studied to better characterize these foams. Results show that changes in the volume fraction of the microballoons had a significant impact on the elastic and viscoelastic behavior of the foams. The introduction of the microballoons into the epoxy resin decreased the density of the epoxy resin by up to 43.36% and at the same time increasing the specific modulus by up to 21.059%. In addition, representative 3D models of these syntactic foams were also developed to further study the elastic behavior of these materials which were found to be in good agreement with the experimental results. These findings will help in designing and optimizing the material properties of the syntactic foam required for different applications.

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IQBAL, NAHID. "CORE SHELL POLY (DIMETHYLSILOXANE) - EPOXY MICROSPHERE AS IMPACT MODIFIER FOR EPOXY THERMOSETES." Thesis, 2013. http://dspace.dtu.ac.in:8080/jspui/handle/repository/15711.

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We report a two-step method for preparation of core shell elastomeric microspheres (CSR) by suspension polymerisation route and demonstrate its potential as an effective impact modifier for thermosetting epoxy resin. The first step involves suspension addition curing of siloxane macromonomer in the presence of platinum based hydrosilylation catalyst. The effect of reaction parameters on the particle size distribution was determined and the elastomeric microspheres were subsequently coated to prepare core-shell (PDMS-epoxy) microspheres. Epoxy composites containing varying amounts of microspheres (3-10 %w/w) were prepared and the effect of coating on the mechanical properties, both in terms of quasi-static as well as dynamic properties were evaluated. The mechanical properties were found to improve at low loadings (≤ 5 % w/w), and the presence of an epoxy coating on the PDMS in the CSR led to improved dispersion, which was evident from its improved mechanical properties. The charpy impact strength increased by 148 % on introduction of core shell PDMS - epoxy (5% w/w). Morphological studies revealed that the roughness of the fractured surface increased due to introduction of microspheres. In contrast to the PDMS containing composites, where the microspheres were removed entirely due to impact loading, the fractured surface of CSR containing composites revealed the presence of broken microspheres, which is a direct evidence of improved adhesion between the elastomeric phase and the epoxy matrix. A representative schematic of the entire process is shown in figure below.

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Mishra, D. "A study on thermal and dielectric characteristics of solid glass microsphere filled epoxy composites." Thesis, 2014. http://ethesis.nitrkl.ac.in/5644/1/D_Mishra_Ph.D._Thesis.pdf.

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Анотація:

This thesis reports on the research dealing with the processing and characterization of solid glass micro-sphere filled epoxy composites. The first part of the work includes the development of two theoretical correlations based on one dimensional heat conduction models for estimation of effective thermal conductivity of polymer composites with single and multiple fillers.The second part depicts the details of the test procedures and test results in regard tothe physical, mechanical and micro-structural characteristics of the epoxy composites filled with solid glass microspheres (SGM) and/or micro-sized boron nitride (BN). The last part throws light on the thermal and dielectric characteristics of the composites with different filler type and concentrations. The estimation of effective thermal conductivity of the composites using finite element method (FEM) and using the proposed theoretical models is done and the results are validated by corresponding experimental results. The effects of inclusion of SGM and/or BN on the effective thermal conductivity (keff), glass transition temperature (Tg), coefficient of thermal expansion (CTE), electrical resistivity (ρ) and dielectric constant (Dk) of epoxy composites are studied. With the addition of SGM, the thermal conductivity, dielectric constant as well as volume resistivity value decreases. Again, the embedment of both SGM and BN fillers results in lowering the CTE of the composites whereas the Tg of the composites is improvedsubstantially. This work shows that the FEM serves as a very good predictive tool for assessment of thermal conductivity of composites.The proposed theoretical correlations too can serve as very good empirical models for spherical inclusions to estimate keff for composites within the percolation limit. With light weight and improved insulation capability, the solid glass micro-spheres filled epoxy composites can be used for applications such as insulation boards, food containers, thermo flasks, building materials, space flight and aviation industry etc.Similarly, with enhanced thermal conductivity, improved glass transition temperature, reduced coefficient of thermal expansion and modified dielectric characteristics, the epoxy composites with appropriate proportions of solid glass micro-spheres and boron nitride can be used in micro-electronics applications like electronic packaging, encapsulations, printed circuit board substrates etc.

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Garg, Gaurav Kumar. "Investigation into Mechanical and Tribological Behaviour of Hollow Glass Microsphere (HGM) Reinforced Epoxy Composite." Thesis, 2015. http://ethesis.nitrkl.ac.in/8000/1/675.pdf.

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In the present work hollow glass microspheres (HGMs) filled epoxy composite with filler content from 0 to 20 wt. % were prepared in order to improve the abrasive wear and mechanical properties of epoxy. Tensile strength and impact strength were determined experimentally. Abrasive wear test was conducted using pin-on-disc wear tester. Composites having 0, 10, 15, and 20 weight fraction of HGM filled epoxy have been prepared in the laboratory by using a self-designed mould. All the experiments were conducted as per ASTM standard. It was found that as the reinforcement (HGM) increases from 0 to 20 wt. % the wear resistance as well as mechanical properties of composite increases. The enhancement in these properties is related to strong bonding between the HGM and epoxy which might have happened due to formation of an interphase between the HGM and epoxy-matrix. SEM (scanned electron microscope) studies were also carried out to know the fracture behaviour of the composite.

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Частини книг з теми "EPOXY MICROSPHERE"

"SOME PHYSICAL PROPERTIES OF EPOXY RESIN/PHENOLIC MICROSPHERE COMPOSITES." In Crosslinked Epoxies, 533–40. De Gruyter, 1987. http://dx.doi.org/10.1515/9783110867381-047.

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Pinisetty, Dinesh, Vasanth C. Shunmugasamy, and Nikhil Gupta. "Hollow Glass Microspheres in Thermosets—Epoxy Syntactic Foams." In Hollow Glass Microspheres for Plastics, Elastomers, and Adhesives Compounds, 147–74. Elsevier, 2015. http://dx.doi.org/10.1016/b978-1-4557-7443-2.00006-2.

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Kubade, Pravin R., Amol N. Patil, and Hrushikesh B. Kulkarni. "Structure Properties Relationship Studies of Vinyl Ester Hybrid Syntactic Foam." In Handbook of Research on Advancements in Manufacturing, Materials, and Mechanical Engineering, 368–94. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-4939-1.ch018.

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Syntactic foam is the porous composite produced by mixing prefabricated hollow spherical particle into the matrix. Syntactic foams are used as energy absorption sandwich core for several applications like marine, automotive, and aerospace. In this work, low density hollow glass microspheres are hybridized with fly ash cenosphere in Bisphenol-A epoxy-based vinyl ester matrix. Hybrid syntactic foams is created with 60% total filler content. Within these hybrid systems internal composition of two fillers were varied in a step of 25 vol% with respect to each other. Hybrid syntactic foams are prepared by the hand lay-up (molding) method. The physical characterization parameter contains density and matrix porosity whereas tensile, quasi-static compression, flexural (3-point bending), Izod impact, and micro Vickers hardness are grouped as mechanical characterization parameters. Scanning electron microscopy was performed on fractured surfaces to examine deformation and fracture mechanisms related with each loading condition.

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Bhatia, Sunny, Surjit Angra, and Sabah Khan. "Recent Advancement on Mechanical and Wear Properties of Epoxy Matrix Composite Reinforced with Varying Ratios of Solid Glass Microspheres." In Newest Updates in Physical Science Research Vol. 2, 105–13. Book Publisher International (a part of SCIENCEDOMAIN International), 2021. http://dx.doi.org/10.9734/bpi/nupsr/v2/7488d.

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Тези доповідей конференцій з теми "EPOXY MICROSPHERE"

Wu, Z. X., R. J. Huang, X. X. Chu, C. J. Huang, J. J. Zhang, and L. F. Li. "Cryogenic properties of hollow glass microsphere/epoxy composites." In ADVANCES IN CRYOGENIC ENGINEERING: Transactions of the International Cryogenic Materials Conference - ICMC, Volume 58. AIP, 2012. http://dx.doi.org/10.1063/1.4712092.

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Sutikno, Wajan Berata, and Wahyu Wijanarko. "Hollow glass microsphere-epoxy composite material for helmet application to reduce impact energy due to collision." In GREEN PROCESS, MATERIAL, AND ENERGY: A SUSTAINABLE SOLUTION FOR CLIMATE CHANGE: Proceedings of the 3rd International Conference on Engineering, Technology, and Industrial Application (ICETIA 2016). Author(s), 2017. http://dx.doi.org/10.1063/1.4985483.

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Costa, Cleber C., Vero^nica Calado, Frederico W. Tavares, Albert Co, Gary L. Leal, Ralph H. Colby, and A. Jeffrey Giacomin. "Rheological Behavior of an Epoxy Resin with Hollow Glass Microspheres." In THE XV INTERNATIONAL CONGRESS ON RHEOLOGY: The Society of Rheology 80th Annual Meeting. AIP, 2008. http://dx.doi.org/10.1063/1.2964846.

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Wang, Wen-Tsuen, and Lou Watkins. "Flexible Epoxy Syntactic Foam Thermal Insulation for High Temperature Deepsea Reelable Pipelay Installations." In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-21014.

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Анотація:

Epoxy syntactic foam, a composite material combining glass microspheres with other fillers in an epoxy binder, has been used with increasing success in insulating offshore pipelines and subsea equipment for the past decade or more. The advantages of epoxy include excellent resistance to high temperature and high pressure sea water as well as good thermal insulting properties. The exceptional strength of epoxy has made service at great depth possible. However, the rigidity of conventional epoxy-based material has so far limited its application to subsea equipment and J-Lay or S-Lay pipelines. As the offshore industry moves into deeper water and larger fields, the desirability of making advanced epoxy insulation flexible and extending its use to more efficient reeled deployment methods is becoming obvious. This paper describes research directed toward identifying new, highly flexible insulating materials suitable for service up to 300°F (150°C) and as deep as 10,000 ft (3000m). A critical part of the research program has been to develop a methodology for testing affording confidence for very long periods of service. Preliminary test data are presented, along with predictions of how this new class of products will be further developed.

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Kolesnikov, V. I., V. V. Bardushkin, A. P. Sychev, I. V. Lavrov, V. B. Yakovlev, A. V. Bardushkin, and A. A. Sychev. "MODELING OF OPERATIONAL ELASTIC CHARACTERISTICS OF EPOXY COMPOSITIONS WITH HOLLOW GLASS MICROSPHERES." In Механика и трибология транспортных систем (МехТрибоТранс-2021). Ростов-на-Дону: Ростовский государственный университет путей сообщения, 2021. http://dx.doi.org/10.46973/978-5-907295-52-0_2021_15.

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Wu, Qiao, Qiu-ying Chen, Guo-xuan Lian, and Xiao-min Wang. "Air-coupled transducer with a hollow glass microspheres filled epoxy resin matching layer." In 2016 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA). IEEE, 2016. http://dx.doi.org/10.1109/spawda.2016.7830011.

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Звіти організацій з теми "EPOXY MICROSPHERE"

Carlson, S., B. Bonner, F. Ryerson, and C. Chow. Compaction of Expancel Microspheres and Epoxy Foam to 3 GPa. Office of Scientific and Technical Information (OSTI), January 2006. http://dx.doi.org/10.2172/900133.

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