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Literatura académica sobre el tema "Interfacial degradation"

Autor: Grafiati

Publicado: 25 de mayo de 2024

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Artículos de revistas sobre el tema "Interfacial degradation"

1

Loh, W. K., A. D. Crocombe, M. M. Abdel Wahab y I. A. Ashcroft. "Modelling interfacial degradation using interfacial rupture elements". Journal of Adhesion 79, n.º 12 (diciembre de 2003): 1135–60. http://dx.doi.org/10.1080/714906160.

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Turak, Ayse. "Interfacial degradation in organic optoelectronics". RSC Advances 3, n.º 18 (2013): 6188. http://dx.doi.org/10.1039/c2ra22770c.

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Crafton, Matthew J., Zijian Cai, Tzu-Yang Huang, Zachary M. Konz, Ning Guo, Wei Tong, Gerbrand Ceder y Bryan D. McCloskey. "Dialing in the Voltage Window: Reconciling Interfacial Degradation and Cycling Performance Decay with Cation-Disordered Rocksalt Cathodes". ECS Meeting Abstracts MA2023-01, n.º 2 (28 de agosto de 2023): 636. http://dx.doi.org/10.1149/ma2023-012636mtgabs.

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Lithium-excess, cation-disordered rocksalt (DRX) materials have received considerable interest as cathode materials for Li-ion batteries, owing to their high specific capacity and compositional flexibility. Despite these advantages, high interfacial reactivity of DRX materials causes extensive oxidative electrolyte degradation at the cathode-electrolyte interface. In addition to consuming electrolyte, this interfacial degradation is likely to lead to a cascade of deleterious effects throughout the cell, as reactive degradation products drive secondary degradation processes like dissolution of transition metals and decomposition of passivating interfacial species. While in-situ gas evolution measurements conducted by differential electrochemical mass spectrometry (DEMS) allow for the observation and quantification of the degradation processes occurring at the DRX surface, the customized cell configuration with which the technique is conducted is not well suited for capturing the performance decay driven by the interfacial degradation. In particular, a large excess of electrolyte and a large Li metal counter-electrode, both of which are necessary features of DEMS cells, serve to mask the deleterious effects of the interfacial degradation on electrochemical performance. In this work, we reconcile the degradation observed by DEMS with performance decay measured by extended cycling experiments in electrolyte-lean full cells. By comparing DRX outgassing and cycling performance in different voltage windows, we demonstrate a positive correlation between the extent of outgassing and the rate of DRX performance decay during cycling. This result provides a crucial link between the degradation measured by techniques like DEMS and the performance decay measured by cycling experiments, and it allows for the fine-tuning of a cycling voltage window which optimizes the tradeoff between initial performance and long-term stability. Furthermore, this work emphasizes the importance of cell design features, like electrolyte volume and counter-electrode material, and their impact on different electrochemical experiments.

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4

Chen, Yan Hua y Qing Jie Zhu. "Numerical Simulation of Interfacial Bonding Degradation of Composites under Two-Stage Loading". Materials Science Forum 575-578 (abril de 2008): 869–74. http://dx.doi.org/10.4028/www.scientific.net/msf.575-578.869.

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Bonding degradation at interface is one of main damage forms of composites, especially under fatigue loading. Interfacial bonding degradation of FRC under two-stage tension loading is studied, which is base for variable-amplitude cyclic loading existing widely in actual engineering. Based on the shear-lag model and considered the asymmetry of interfacial damage, the mechanical governing equations of fiber and matrix are established and related solutions are obtained firstly. Two kinds of loading models are chosen, one is low-high alternate loading, and the other is low early and high late loading. By the aid of the Paris law and the energy release theory, a relationship between debond rate and cycle number is established. Then the interfacial debonding is simulated under the two-stage tension loading. The rules of the crack growth are analyzed for low-high two-stage loadings. It is found that stress amplitude has great influence on interfacial debonding under two-stage loading. Low stress amplitude in a certain range can postpone interfacial bonding degradation. And interfacial damage extent is greater than that under constant-amplitude fatigue loading. Present study is helpful for analyzing the fatigue damage of engineering materials and structures.

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Perelmuter, M. "Kinetics of interfacial crack bridged zone degradation". Journal of Physics: Conference Series 451 (17 de julio de 2013): 012012. http://dx.doi.org/10.1088/1742-6596/451/1/012012.

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Jongwoo Park y D. G. Harlow. "Interfacial degradation of epoxy coated silicon nitride". IEEE Transactions on Components and Packaging Technologies 25, n.º 3 (septiembre de 2002): 470–77. http://dx.doi.org/10.1109/tcapt.2002.803651.

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Lee, Sunyoung, Hayoung Park, Jungwon Park y Kisuk Kang. "Crystal Orientation-Dependent Interface Compatibility in the Oxide Composite Cathode by in Situ Heating Transmission Electron Microscopy". ECS Meeting Abstracts MA2023-02, n.º 4 (22 de diciembre de 2023): 796. http://dx.doi.org/10.1149/ma2023-024796mtgabs.

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All-solid-state batteries (ASSBs) with oxide-based solid electrolytes are getting prominence as a forthcoming battery system capable of overcoming the drawbacks of current lithium-ion batteries by satisfying the expanding demand for high energy density and safety. However, the poor interfacial contact between cathode active materials and solid electrolytes, at which lithium ions diffuse and the charge transfer occurs, is a major concern for practical utilization. Although the co-sintering process at high temperatures is essential to achieve an intimate interface contact, excessive thermal energy reversely accelerates the interfacial degradation reaction, of which the mechanism has been still unexplored. Here, using an epitaxial model system in which the crystal orientations of the Li(Ni1/3Co1/3Mn1/3)O2 cathode and Li3xLa(2/3)-x⎕(1/3)-2xTiO3 solid electrolyte are controlled, we directly probe the interfacial reaction in real-time during heating by in situ heating transmission electron microscopy, and investigate the impact of the crystal orientation at the interface on the interfacial reaction mechanism and kinetics. In situ observation reveals that the interfacial reactions are highly dependent on the crystal orientation at the interface involving the onset temperature of the reaction, the diffusion behavior of lithium ions, the intermediate states, and the overall degradation mechanism between the active material and the solid electrolyte. The interfacial degradation during heating increases the charge transfer resistance between the cathode active material and the solid electrolyte, and the increasing tendency of the resistance is closely related to the crystal orientation-dependent interfacial degradation.

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Desta, Gidey Bahre Bahre y Yao Jane Hsu (b)*. "Using Synchrotron Techniques, Investigation of Electrochemical Interfaces in Ni-Rich NMC and Sulfide Electrolytes in All-Solid-State Lithium Metal Batteries". ECS Meeting Abstracts MA2022-02, n.º 7 (9 de octubre de 2022): 2610. http://dx.doi.org/10.1149/ma2022-0272610mtgabs.

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a Nano-electrochemistry Laboratory, Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan, R.O.C b National Synchrotron Radiation Research Center (NSRRC), Hsinchu, 30076, Taiwan, R.O.C In all-solid-state lithium metal batteries enable long cyclability of high voltage oxides cathode persistent problem for the large scale application as their underprivileged interfacial steadiness in contrast to sulfide solid-state electrolyte. In this context, the interfaces of the solid electrolyte and Ni-rich NMC811 active material are looked upon as interfacial chemical responses induced by delithiation. In this study, we monitor the impedance progress at the unstable electrode|electrolyte interface due to the electrochemical interfacial response and help us understand the complex nature of reactivity and degradation kinetics with the solid-solid interface redox decomposition, which makes decoupling each effect difficult. we investigated the interfacial phenomenon between LPSC and high voltage cathode NMC811. The effects of spontaneous retort by the side of the interface were separated, and the intrinsic electrochemical decomposition of LPSC was quantified. Moreover, we show that the notch of interfacial degradation surges and the presence of oxidation mechanisms. At the higher delithiation stage, the cathode might twitch structural defenselessness and oxygen utter and resulting in further stark degradation. This complex kinetic degradation behavior was investigated at the solid-solid interface in a delithiation NMC811 and SSE based on the local oxidation state of NMC811, and LPSC SE interfacial chemical response. In this work, we used various characterization techniques to investigate the interfacial phenomenon between LPSC|NMC811 combining EIS and advanced synchrotron techniques such as sXAS, XPS, XRF-XANES mapping, and In-situ Raman spectroscopy. Keywords: delithiation, Ni-rich cathode, Sulfide-solid-state electrolyte, interfacial reaction, Synchrotron XPS, XRF.

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9

Morey, Madison, Andrew Cannon, Trevor Melsheimer y Emily Ryan. "(Invited) The Importance of Modeling Interfacial Phenomena in Electrochemical Systems". ECS Meeting Abstracts MA2023-01, n.º 25 (28 de agosto de 2023): 1649. http://dx.doi.org/10.1149/ma2023-01251649mtgabs.

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Chemical-physical processes at material interfaces drive performance and degradation in various energy and environmental systems, such as high energy density batteries, fuel cells, and electrolyzers. Transport (mass, charge, heat) to and through interfaces combined with reactions on the surface dictate the performance and also the degradation of these systems. To understand the fundamental material behavior of electrochemical systems, and to improve their performance and lifetime meso-scale interfacial modeling is needed that can resolve both the surface phenomena and the transport within the interfacial region. In this talk, I will discuss our research into computational modeling of interfacial and surface phenomena that drive performance in high energy density lithium batteries. Over multiple charge/discharge cycles non-uniform lithium plating and secondary reactions at the interface drive performance degradation and pose safety risks. The interplay between local transport, surface conditions, and operating conditions dictate these interfacial changes. In our work we use multi-phase, meso-scale modeling of the interfacial region to understand the driving forces for these changes and the coupling between physical phenomena to better understand the critical physics at the interface and to design more stable, long lasting interfaces.

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10

Bersuker, G., J. Barnett, N. Moumen, B. Foran, C. D. Young, P. Lysaght, J. Peterson, B. H. Lee, P. M. Zeitzoff y H. R. Huff. "Interfacial Layer-Induced Mobility Degradation in High-kTransistors". Japanese Journal of Applied Physics 43, n.º 11B (15 de noviembre de 2004): 7899–902. http://dx.doi.org/10.1143/jjap.43.7899.

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Tesis sobre el tema "Interfacial degradation"

1

Keat, Loh Wei. "Modelling interfacial degradation in adhesively bonded structures". Thesis, University of Surrey, 2002. http://epubs.surrey.ac.uk/798102/.

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Chen, Ping. "Interfacial degradation of carbon fibre reinforced polyetheretherketone, PEEK". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ29373.pdf.

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Liljedahl, Carl David Mortimer. "Modelling the interfacial degradation in adhesively bonded joints". Thesis, University of Surrey, 2006. http://epubs.surrey.ac.uk/773028/.

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The aim of the research was to develop predictive models for the interfacial degradation of adhesively bonded joints when exposed to aggressive environmental conditions. Four different joint configurations using the same adhesive system were exposed to a variety of conditions including immersion at 50°C, 96%RH at 50°C and 80%RH at 70°C. In addition data from joints for other adhesive systems were also incorporated into the investigation. Moisture has a degrading effect on the strength of adhesively bonded joints. Therefore the diffusion into the bulk material was determined by gravimetric experiments. However, the mobility of the water molecules at the interface between the adhesive and the substrate may be higher than in the bulk material. In order to assess this, the spatial moisture distribution in bonded epoxy laminates was detennined by a nuclear reaction analysis (NRA) technique. The moisture profile found experimentally and the modelling undertaken of the interfacial diffusion indicated that the ingress in the interfacial region was a few times faster than in the bulk material for the adhesive system investigated. Both hygroscopic (swelling) and thermal residual strains may affect joint durability. The thermal expansion was determined by means of a bi-material beam and the hygroscopic expansion was determined by measuring the expansion of bulk samples at various moisture levels. Creep properties for the adhesives studied were determined to investigate the relaxation of residual stresses during the aging process. The coefficients of thermal expansion and hygroscopic expansion were of the same order of magnitude for the adhesives investigated. Creep was seen to be enhanced in the presence of moisture. The AVl19 adhesive was seen to creep much more than FM73 and also absorbed more moisture. As a consequence, the residual stresses in the joints bonded with A Vl19 were seen to relax nearly totally whilst the residual stresses in the joints bonded with FM73 relaxed to about half of their original magnitude. Different interfacial fracture tests were carried out in order to assess which was most appropriate. Notched coating adhesion tests (NCA) were carried out initially. However, it was very difficult to produce a repeatable notch and the adhesive often cracked before the coating debonded. Good results were obtained then these samples were immersed in water. Another test investigated was a split beam specimen. However this test was of limited use as the secondary bond was weaker than the aged interface of interest. Finally, a mixed mode flexure specimen (MMF) was selected to determine the fracture energy of the adhesive systems in the 80%RH and 96%RH environments. The fracture energy degraded rapidly initially with moisture content and then at a slower rate as more moisture reached the interface. The fracture energy was found to be a function of the amount of moisture at the interface. No further degradation was found when the joints were held at equilibrium. The degradation and the progressive damage were simulated with a cohesive zone model (CZM). The model was extended from 2D to 3D. This was ~eful when predicting where 2 the crack initiated in the width direction and how the initiation site changed after aging for a L-joint configuration. When using a CZM the interfacial strength was defmed by a traction-separation law. The parameters governing the traction-separation law were determined using the interfacial fracture tests (NCA and MMF). The parameters were the tripping traction and the fracture energy. It was shown to be essential to incorporate elasto-plastic adhesive continuum behaviour in order to simulate the complete joint response correctly. The tripping traction was determined by correlating the deviation of the load-displacement curve with the simulated result. The fracture energy was then determined by correlating the experimental load-crack length response with the simulation. This gave a unique set of moisture dependent CZM parameters for various moisture concentrations. These parameters were then used to predict the response of other joint configurations. For most of the joints, the residual strength was predicted closely using the moisture dependent CZM parameters. However, in some cases other degradation mechanisms were active. These included stress enhanced degradation and cathodic delamination. When these mechanisms were included in the modelling, the prediction of the durability of all joint configurations was good.

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4

Bastidas, Erazo Pablo Daniel. "Degradation of composite insulators at material interfaces". Thesis, University of Manchester, 2018. https://www.research.manchester.ac.uk/portal/en/theses/degradation-of-composite-insulators-at-material-interfaces(69477a7e-9cc1-496e-a527-4bb64488493d).html.

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High-voltage (HV) outdoor composite insulators used in transmission lines are made of two polymers, comprising the core and housing, bonded together with metallic end-connections. The interface between these polymers is parallel to the electric field, which makes the insulators more prone to interfacial problems at these common points [1]. If interfacial ageing occurs, degradation and catastrophic breakdown can result [2]. Therefore, the design reliability of outdoor composite insulators depends on the high-strength bond between the core and the housing [3],[4]. Research findings by Kutil and Froshlic [5] indicate that delaminated areas, cavities and/or micro cracks in the medium are enough to initiate streamer discharges along the interface that are capable of degrading both insulating materials. The heat, UV radiation, and high-energy electrons produced from such discharge activity resulted in the growth of carbon paths along the interface, known as âtrackingâ, ultimately causing failure [6]. This investigation focuses on the development of tracking between silicone rubber and epoxy resin, with a view to replicating the tracking phenomena seen within composite insulators in service. A fine wire is placed between the dielectrics materials to enhance the local electric field magnitude and initiate discharge processes. The resulting partial discharge (PD) activity has been monitored. This Information has been used to understand the inception and propagation of the interfacial tracking. A strong relationship was found between maximum PD magnitude and track length. PD patterns and unique detailed images of the interfacial tracking development, allowed identification of the growth characteristics of interfacial channels and phases of tracking growth. Furthermore, a correlation in the mechanisms of interfacial degradation was found between the lab-fabricated samples and commercial composite rods. Finally, a growth model of interfacial ageing has been developed with the information from FEA models, PD patterns and the detailed images of tracking growth. The physical structure and chemical analysis of interfacial tracking is also disclosed to provide an insight into interfacial ageing mechanisms that occur in the composite insulators under electrical stress.

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5

Greenbank, William. "Interfacial stability and degradation in organic photovoltaic solar cells". Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0338/document.

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Les durées de vie des cellules solaires photovoltaïques organiques (OPV) doivent être améliorées afin que cette technologie puisse être commercialisée sur une grande échelle. Ce travail étudie l’influence de la sélection des matériaux pour l’interface supérieure sur la dégradation des OPV inversées. La première partie de cette étude s’occupe des effets de la dégradation thermale. Il a été constaté que la tension de circuit-ouvert (VOC) et le facteur de forme (FF) diminuent lors du vieillissement des OPVs ayant une HTL de MoO3 et une électrode d’argent. Des expériences de caractérisation physique ont mis en évidence que les électrodes d’argent démouillent lors du vieillissement thermique ce qui peut conduire à la mort rapide des cellules avec des électrodes minces. Des analyses de rupture ont également faites. Il a été constaté que l’adhésion d’interface supérieure augmente fortement dans les échantillons avec électrode en argent due à la diffusion de matière, et il est possible qu’il y ait une relation entre cette diffusion et la perte de VOC et FF. Dans la deuxième partie, les effets de la lumière sur la dégradation et l’influence de la présence d’oxygène ou d’humidité ont été étudiés. Quelques effets des matériaux ont été notés, en particulier sur la durée de vie. L’oxygène a eu l’effet d’accélérer notablement la dégradation, et aucune différence n’a été notée selon les matériaux utilisés. En revanche, l’humidité a eu un effet prononcé sur les échantillons avec certains HTLs. Ce travail souligne l’importance de penser à la durée de vie quand on désigne les dispositifs OPV, en particulier pour sélectionner des matériaux appropriés afin d’optimiser la durée de vie
Organic photovoltaic (OPV) solar cells show great promise but suffer from short operating lifetimes. This study examines the role that the selection of materials for the hole extraction interface in inverted OPV devices plays in determining the lifetime of a device. In the first part of the study, the effects of thermal degradation were examined. It was found that devices containing MoO3 HTLs and silver top electrodes exhibit an open-circuit voltage (VOC)/fill factor (FF)-driven mechanism. Physical characterisation experiments showed that, with heating, the silver electrode undergoes de-wetting. With thin electrodes this can result in the catastrophic failure of the device. A fracture analysis study found that silver-containing devices experience an increase in adhesion of their top layers to the active layer due to interdiffusion between the layers. This interdiffusion may be related to the loss of VOC and FF in Ag/MoO3 devices through diffused species forming charge traps in the active layer. In the second part of the study, the effects of photodegradation in different atmospheres were studied. Some material-dependent effects were observed when the devices were aged in an inert atmosphere, including variations in projected lifetime. The effect of oxygen was to greatly accelerate degradation, and remove any of the material-dependence observed in the inert experiment, while humidity led to a substantial increase in the degradation rate of devices containing PEDOT:PSS (poly(3,4-ethylenedioxythiophene) polystyrene sulfonate). This study underlines the importance of considering device lifetime in device design, and choosing materials to minimise degradation

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6

Li, Junhong. "Elastic - plastic interfacial crack problems". Thesis, University of Glasgow, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.297517.

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7

Lemire, Heather M. "Degradation of Transparent Conductive Oxides: Mechanistic Insights and Interfacial Engineering". Case Western Reserve University School of Graduate Studies / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=case1386325661.

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Fitzpatrick, Matthew F. "The interfacial chemistry and environmental degradation of adhesively bonded galvanised steel". Thesis, University of Surrey, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322539.

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Cumpston, Brian Hylton. "Bulk and interfacial degradation of polymers used for electronic and photonic applications". Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/10634.

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Wu, Liberty Tse Shu. "On the degradation mechanisms of thermal barrier coatings : effects of bond coat and substrate". Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/on-the-degradation-mechanisms-of-thermal-barrier-coatings-effects-of-bond-coat-and-substrate(ea6923cc-7d8f-4712-a964-fe625d421544).html.

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The operating efficiency and reliability of modern jet engines have undergone significant improvement largely owing to the advances of the materials science over the past 60 years. The use of both superalloys and TBCs in engine components such as turbine blades has made it possible for jet engines to operate at higher temperatures, allowing an optimal balance of fuel economy and thrust power. Despite the vast improvement in high temperature capability of superalloys, the utilization of TBCs has brought the concern of coating adhesion during their usage. TBCs are prone to spallation failure due to interfacial rumpling, which is driven primarily by thermal coefficient mismatch of the multi-layered structure. Although interfacial degradation of TBCs has been widely studied by detailed numerical and analytical models, the predicted results (i.e. stress state and rumpling amplitude) often deviate from that obtained by experiments. This is largely due to the lack of consideration of the influence of bond coat and substrate chemistry on the interfacial evolution of TBC systems. It is only in recent year that more and more study has been focused on studying the role of chemistry on the interfacial degradation of TBCs. The purpose of this PhD project is to clarify how the bond coat and substrate chemical compositions dictate the mechanisms of interfacial degradation, leading to the final spallation. A cross-sectional indentation technique was utilized to quantitatively characterize the adhesion of oxide-bond coat interface among 5 systematically prepared TBC systems. The adhesion of isothermally exposed oxide-bond coat interface was then correlated with different microstructure parameters, in an attempt to identify the key parameters controlling the TBC spallation lifetime. EBSD and EPMA analyses were conducted on the bond coat near the oxide-bond coat interface, in order to understand the relationship between the key parameters and specific alloying elements. The results clearly demonstrated that the phase transformation of bond coat near the oxide-bond coat interface plays the dominant role in the degradation of interfacial adhesion. Particularly, the co-existence of gamma prime and martensitic phases, each having very different thermomechanical response under thermal exposure, can generate a misfit stress in the TGO layer, and ultimately causes early TBC spallation. In addition, the phase transformation behavior has been closely associated with the inherent chemistry of the bond coat and substrate.

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Libros sobre el tema "Interfacial degradation"

1

Chen, Ping. Interfacial degradation of carbon fibre reinforced polyetheretherketone, PEEK. Ottawa: National Library of Canada = Bibliothèque nationale du Canada, 1999.

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Kaya, Figen. Effects of increased interfacial strength on the fatigue crack growth resistance, crack opening displacements and interfacial and fibre strength degradation in a Tiß 21S/SC6 composite. Birmingham: University of Birmingham, 2003.

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Mirkhani, Koorosh. Characterization of interfacial degradation in adhesive joints using EMAT's. 2004.

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4

Furst, Eric M. y Todd M. Squires. Microrheology applications. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199655205.003.0010.

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The wide number of microrheology methods and techniques serve as new tools for measuring the rheology of soft materials. Several emerging applications of microrheology are presented, including the rheology of hydrogelators, gelation kinetics, and degradation (gel breaking). Viscosity measurements, in particular of protein solutions, is also discussed. These problems generally take advantage of the small volume requirements of microrheology as well as its sensitivity. The chapter begins with a discussion of mechanical and microrheology operating regimes to aid the reader in planning experiments. It concludes with a discussion of emerging trends and future areas of microrheology, including interfacial rheology.

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Capítulos de libros sobre el tema "Interfacial degradation"

1

Zhao, Yi-Zhou y Qian-Qian Yu. "Degradation of Interfacial Behaviour Between AFRP and Concrete Under Sulfate Attack". En Lecture Notes in Civil Engineering, 337–44. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-3362-4_27.

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Rokhlin, S. I., B. Li y A. I. Lavrentyev. "Ultrasonic Evaluation of Interfacial Properties in Adhesive Joints: Evaluation of Environmental Degradation". En Review of Progress in Quantitative Nondestructive Evaluation, 1523–30. Boston, MA: Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-2848-7_195.

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Khaleel, MA, EV Stephens y J. Stevenson. "Interfacial Stresses and Degradation of Oxide Scale and Substrate Interface at High Temperature". En TMS Middle East - Mediterranean Materials Congress on Energy and Infrastructure Systems (MEMA 2015), 351–55. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119090427.ch37.

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Khaleel, M. A., E. V. Stephens y J. Stevenson. "Interfacial Stresses and Degradation of Oxide Scale and Substrate Interface at High Temperature". En Proceedings of the TMS Middle East — Mediterranean Materials Congress on Energy and Infrastructure Systems (MEMA 2015), 351–55. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-48766-3_37.

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Yavas, Denizhan, Xu Shang y Ashraf F. Bastawros. "Contamination-Induced Degradation/Enhancement of Interfacial Toughness and Strength in Polymer-Matrix Composite Interfaces". En Fracture, Fatigue, Failure and Damage Evolution, Volume 7, 73–78. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-62831-8_10.

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Wu, L. T., R. T. Wu, T. Osada, K. I. Lee, M. Bai y P. Xiao. "Effect of Bond Coat and Substrate Chemistry on the Interfacial Degradation of Thermal Barrier Coatings". En Superalloys 2016, 167–76. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781119075646.ch19.

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Arenz, M. y J. Quinson. "Degradation of Metal Clusters and Nanoparticles Under Electrochemical Control". En Encyclopedia of Interfacial Chemistry, 434–41. Elsevier, 2018. http://dx.doi.org/10.1016/b978-0-12-409547-2.12939-7.

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Foulk, J. W., K. L. E. Helms y D. H. Allen. "A computational finite element analysis for predicting the effects of environmental degradation on life in metal matrix composites". En Damage and Interfacial Debonding in Composites, 29–44. Elsevier, 1996. http://dx.doi.org/10.1016/s0922-5382(96)80003-1.

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Mohammed, Mohammed y Rozyanty Rahman. "Utilizing Photocatalysts in Reducing Moisture Absorption in Composites of Natural Fibers". En Photocatalysts - New Perspectives [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.106543.

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Due to growing environmental consciousness and the depletion of oil supplies, numerous efforts have been made to replace synthetic fibers in fiber-reinforced composites with natural fibers (NFr). The low cost and abundance of NFr and its biodegradability and low density have encouraged researchers worldwide to study their potential applications in several industrial sectors. However, NFr has several disadvantages: excessive moisture absorption and subsequent swelling and degradation, low chemical and fire resistance, and insufficient interfacial interactions with polymers. Consequently, there is great interest in modifying the surface of NFr using a variety of methods. This chapter presents an overview of the NFr, its characterization, the problems associated with adding NFr to polymer composites. This literature survey suggests an in-depth review of photocatalysis by utilizing photocatalysts nanoparticle (PHNPs) aimed at increasing the hydrophobicity and interfacial bonding between the NFr and the matrix Using a photo-induced oxidation mechanism to disassemble water molecules, pollutants, and bacteria in a wet environment. Additionally, we reviewed the effects of these PHNPs on the moisture absorption, mechanical characteristics, and dimensional stability of NFr composites. As a result, this review article may make a valuable contribution to researchers interested in coating and treating NFr to further enhance their surface characteristics.

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Kadian, Sachin, Manjinder Singh y Gaurav Manik. "Graphene Based Hybrid Nanocomposites for Solar Cells". En Current and Future Developments in Nanomaterials and Carbon Nanotubes, 61–77. BENTHAM SCIENCE PUBLISHERS, 2022. http://dx.doi.org/10.2174/9789815050714122030007.

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Over the last few years, due to its exceptional two-dimensional (2D) structure, graphene has played a key role in developing conductive transparent devices and acquired significant attention from scientists to get placed as a boon material in the energy industry. Graphene-based materials have played several roles, including interfacial buffer layers, electron/hole transport material, and transparent electrodes in photovoltaic devices. Apart from charge extraction and electron transportation, graphene protects the photovoltaic devices from atmospheric degradation through its 2D network and offers long-term air or environmental stability. This chapter focuses on the recent advancements in graphene and its nanocomposites-based solar cell devices, including dye-sensitized solar cells (DSSCs), organic solar cells (OSCs), and perovskite solar cells (PSCs). We further discuss the impact of incorporating graphene based materials on the power conversion efficiency for each type of solar cell. The last section of this chapter highlights the potential challenges and future research scope of graphene-based nanocomposites for solar cell applications.

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Actas de conferencias sobre el tema "Interfacial degradation"

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Angst, Ueli M. "Corrosion of steel in porous media–role of the interfacial zone". En 1st Corrosion and Materials Degradation Web Conference. Basel, Switzerland: MDPI, 2021. http://dx.doi.org/10.3390/cmdwc2021-09889.

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Sinha, Archana, Stephanie L. Moffitt, Katherine Hurst, Jiadong Qian, David C. Miller, Peter Hacke y Laura T. Schelhas. "Interfacial Characterization of Positive Bias Voltage Degradation in PV Modules". En 2020 IEEE 47th Photovoltaic Specialists Conference (PVSC). IEEE, 2020. http://dx.doi.org/10.1109/pvsc45281.2020.9300934.

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Ma, Chang-Qi, Bowen Liu, Yunfei Han y Qun Luo. "Interfacial Photon Degradation of High Performance Polymer:Non-fullerene Solar Cells". En nanoGe Fall Meeting 2021. València: Fundació Scito, 2021. http://dx.doi.org/10.29363/nanoge.nfm.2021.047.

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Baltazar, A. "Ultrasonic determination of environmental degradation of interfacial properties in adhesive bonds". En QUANTITATIVE NONDESTRUCTIVE EVALUATION. AIP, 2002. http://dx.doi.org/10.1063/1.1472925.

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Lee, Wen-Hao, D. S. Liang, W. P. Wang y C. S. Hsiao. "Thermal Degradation and Mass Transport of Underfill Material". En ASME 2007 InterPACK Conference collocated with the ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ipack2007-33057.

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In order to enhance the reliability of flip chip packages, the initiation and propagation of various interfacial failures and robust interfacial bonds between the underfill and the other components are highly desired. The water molecules inside the plastic material were chemically bonded with polymers by hydrogen bonds in the microholes formed by the polymer molecule chains. The bonding of water molecules and polymers reduced the adhesion strength at the interface between epoxy material and die. In this study, the interfacial bond strengths of commercial underfills with silicon nitride passivation are measured using bottom shear test. The thermal degradation of epoxy-based underfill material has been studied by thermogravimetric analysis (TGA). The results show that adhesion strength is correlated with TGA weight loss curve. Besides, epoxy is sensitive to moisture at high temperature storage. Moisture diffusion characterization at high temperatures in polymeric packaging materials is important since moisture absorption of polymeric packaging materials plays a determining role in “popcorn cracking” of IC packages during the solder reflow process especially for lead-free solder reflow profile. The moisture absorption was measured by using mass transport and diffusion theory.

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Ferguson, Timothy P. y Jianmin Qu. "An Engineering Model for Moisture Degradation of Polymer/Metal Interfacial Fracture Toughness". En ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems collocated with the ASME 2005 Heat Transfer Summer Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/ipack2005-73414.

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Based on interfacial fracture mechanics and the hydrophobicity of the interface, en engineering model was developed in this paper. Using this model, one can predicted the degradation of interfacial fracture toughness of a polymer/metal interface once the moisture concentration near the interface is known.

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Martin, Ina T., Tricia M. Oyster, Lorelle M. Mansfield, Rachael Matthews, Emily B. Pentzer, Roger H. French y Timothy J. Peshek. "Interfacial modifiers for enhanced stability and reduced degradation of Cu(In, Ga)Se2 devices". En 2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC). IEEE, 2016. http://dx.doi.org/10.1109/pvsc.2016.7749865.

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Ogata, Kazuma, Yoshinori Takano, Shotaro Yasuda, Yuto Shibayama y Akio Yonezu. "Mechanical Properties and Interfacial Strength of Active Material Layer / Copper Foil of Anode Sheet in Lithium-Ion Battery (LiB)". En ASME 2023 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/imece2023-113250.

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Abstract Lithium-ion batteries (LiB) are widely used in industrial field, and its safety is increasingly attracting attention. In the LiB, anode sheet has a layered structure consisting of an active material layer (including a binder and active material) and a copper foil as current collector. Generally, active material layer is mechanically weak, and often shows mechanically degradation due to mechanical loading. In addition, LiB cases interfacial delamination during the fabrication process and practical usage. Interfacial delamination leads degradation of the electrical performance and causes an internal short circuit. Therefore, for battery safety and better mechanical design, this study evaluated the adhesion strength of the interface between active material layer / copper foil in anode sheet using Laser Shock Adhesion Test (LaSAT). In addition, repeated LaSAT was also conducted to apply cyclic loading to the interface, and its fatigue interfacial strength was evaluated.

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Bai, M., K. Lee, T. Osada, L. Wu, R. Wu y P. Xiao. "Effect of Bond Coat and Substrate Chemistry on the Interfacial Degradation of Thermal Barrier Coatings". En Superalloys 2016. The Minerals, Metals & Materials Society, 2016. http://dx.doi.org/10.7449/superalloys/2016/superalloys_2016_167_176.

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Yasuda, N., H. Hisamatsu, H. Ota, K. Iwamoto, K. Tominaga, K. Yamamoto, W. Mizubayashi et al. "Projection of Mobility Degradation in HfAlOx /SiO2 nMOSFET towards the Reduction of Interfacial Oxide Thickness". En 2003 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 2003. http://dx.doi.org/10.7567/ssdm.2003.c-1-3.

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Informes sobre el tema "Interfacial degradation"

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Fenning, David, Rishi Kumar, Guillaume von Gastrow, Mariana Bertoni, April Jeffries, Nicholas Theut, Maria Chan y Arun Mannodi Kanakkithodi. Understanding and Overcoming Water-induced Interfacial Degradation in Si Modules (Final Technical Report). Office of Scientific and Technical Information (OSTI), febrero de 2021. http://dx.doi.org/10.2172/1773388.

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