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Journal articles on the topic 'Matrix interface'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Siao, Fu-Cih, and Yu-Cheng Lin. "ENHANCING CONSTRUCTION INTERFACE MANAGEMENT USING MULTILEVEL INTERFACE MATRIX APPROACH / RYŠIŲ VADYBOS STATYBOJE GERINIMAS TAIKANT ĮVAIRIALYGIŲ RYŠIŲ MATRICOS METODĄ." Journal of Civil Engineering and Management 18, no. 1 (February 8, 2012): 133–44. http://dx.doi.org/10.3846/13923730.2012.657368.

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Many interfaces typically exist in the construction phase of a project. Since project participants usually fail to share interface information, most interfaces are difficult to solve effectively during that phase. Furthermore, future activities might not be implemented based on changes made by predecessors. In practice, failure to manage interfaces may result in additional work or in low project performance. In order to manage construction interfaces effectively, this study proposes the novel Multilevel Interface (MI) Matrix approach to enhance interface management during the construction phase of construction projects. By using the MI matrix approach, construction interface issues will be tracked and man-aged easily and effectively. Furthermore, this study develops a construction web matrix-based interface management (WMIM) system integrated with the proposed MI Matrix approach. The MI matrix approach and WMIM system are applied to a pilot test to illustrate how to support interface management during the construction project. As results of the pilot test indicate, the MI matrix approach and WMIM system provide an effective interface management tool for the construction phase. Santrauka Statybos projekto statybos darbų etapui būdinga tai, kad su įvairiais subjektais palaikoma gausybė ryšių. Daugumą jų šiame etape veiksmingai palaikyti dažniausiai ne itin lengva, nes projekto dalyviai paprastai informacija apie juos nesidalija. Be to, perimantys darbą gali ir nesiremti savo pirmtakų padarytais pakeitimais. Praktine prasme nesugebant valdyti ryšių, gali tekti darbus perdaryti arba projekto efektyvumas gali sumažėti. Efektyviam su statyba susijusių ryšių valdymui šiame darbe siūlomas novatoriškas įvairialygių ryšių (ĮR) matricos metodas, leidžiantis pagerinti ryšių valdymą statybos projekto statybos darbų etape. Taikant ĮR matricos metodą lengva veiksmingai sekti ir valdyti statybų ryšių klausimus. Be to, atliekant tyrimą sukuriama projekto dalyviams skirta internetinė matricinė statybų ryšių valdymo (WMIM) sistema, į kurią įtrauktas siūlomas ĮR matricos metodas. Taip pat, taikant ĮR matricos metodą ir WMIM sistemą, atliekamas bandymas, rodantis, kaip jie padeda valdyti statybos projekto ryšius. Bandymo rezultatai rodo, kad ĮR matricos metodas ir WMIM sistema – tai efektyvi ryšių valdymo priemonė statybos darbų etape.

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2

Qu, Hong Chang, Xiao Zhou Xia, Hong Yuan Li, and Zhi Qiang Xiong. "Mechanical Analysis of Unidirectional Fiber-Reinforced Polymers under Transverse Compression and Tension." Advanced Materials Research 139-141 (October 2010): 84–89. http://dx.doi.org/10.4028/www.scientific.net/amr.139-141.84.

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The mechanical behavior of polymer–matrix composites uniaxially reinforced with carbon or glass fibers subjected to compression/tension perpendicular to the fibers was studied using computational micromechanics. This is carried out using the finite element simulation of a representative volume element of the microstructure idealized as a random dispersion of parallel fibers embedded in the polymeric matrix. Two different interface strength values were chosen to explore the limiting cases of composites with strong or weak interfaces, and the actual failure mechanisms (plastic deformation of the matrix and interface decohesion) are included in the simulations through the corresponding constitutive models. Composites with either perfect or weak fiber/matrix interfaces (the latter introduced through cohesive elements) were studied to assess the influence of interface strength on the composite behavior. It was found that the composite properties under transverse compression/tension were mainly controlled by interface strength and the matrix yield strength in uniaxial compression/tension.

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3

Gupta, Vijay. "An Evaluation of the Interface Tensile Strength–Toughness Relationship." MRS Bulletin 16, no. 4 (April 1991): 39–45. http://dx.doi.org/10.1557/s0883769400057092.

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Mechanical properties of interfaces between dissimilar or similar materials (e.g., grain boundaries) have become the focal point of research in several fields, including composite materials (metal, ceramic and intermetallic matrix composites), tribology, and solid state devices. This is not surprising because the interfaces between dissimilar materials are sites for mechanical stress concentrations and often nucleate the overall failure process.Interfaces of interest in composite materials exist between fibers and their diffusion barrier coatings or between the fibers and the surrounding matrix material. In the field of tribology, interfaces exist between various types of functional (magnetic, conducting, optical, electrical), protective (thermal barrier, corrosion, wear resistant), or decorative coatings and their underlying substrates. And, finally, metal/ceramic interfaces are of interest in multilayer devices and magnetic disks and head technology. In all the above applications, mechanical properties of the interface (tensile and shear strength, toughness, etc.) often control the overall functionality of the coated part. Therefore, improving the mechanical properties of the interface for a prolonged life of the coated part is of fundamental interest. However, in ceramic and metal matrix composites, where the fiber/coating interface is used to deflect impinging cracks from the matrix, it is often desirable to impair the strength of the interface.

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4

Dutta, B., and M. K. Surappa. "Studies on age-hardening characteristics of ceramic particle/matrix interfaces in Al–Cu–SiCp composites using ultra low-load-dynamic microhardness measurements." Journal of Materials Research 12, no. 10 (October 1997): 2773–78. http://dx.doi.org/10.1557/jmr.1997.0369.

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Ultra low-load-dynamic microhardness testing facilitates the hardness measurements in a very low volume of the material and thus is suited for characterization of the interfaces in MMC's. This paper details the studies on age-hardening behavior of the interfaces in Al–Cu–5SiCp composites characterized using this technique. Results of hardness studies have been further substantiated by TEM observations. In the solution-treated condition, hardness is maximum at the particle/matrix interface and decreases with increasing distance from the interface. This could be attributed to the presence of maximum dislocation density at the interface which decreases with increasing distance from the interface. In the case of composites subjected to high temperature aging, hardening at the interface is found to be faster than the bulk matrix and the aging kinetics becomes progressively slower with increasing distance from the interface. This is attributed to the dislocation density gradient at the interface, leading to enhanced nucleation and growth of precipitates at the interface compared to the bulk matrix. TEM observations reveal that the sizes of the precipitates decrease with increasing distance from the interface and thus confirms the retardation in aging kinetics with increasing distance from the interface.

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5

Wang, Mei Ling, Xidong Hui, and Guo Liang Chen. "Influence of Nb on the Interface Structure of Tungsten Fiber Reinforced Zr-Based Bulk Metallic Glass Composites." Materials Science Forum 475-479 (January 2005): 3389–92. http://dx.doi.org/10.4028/www.scientific.net/msf.475-479.3389.

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Zr-based metallic-glass matrix composites, which are reinforced by continuous tungsten fibers, were prepared by melt infiltration casting. The interface structure was analyzed by using X-Ray diffraction, SEM and EPMA. The results illustrate that for the Zr55Al10Ni5Cu30 matrix composite, in addition to the interface diffusion, an interface eutectoid reaction between W fiber and Zr in the liquid state takes place and forms W5Zr3 phase at the interface during casting, the interface is included in Class Ⅲ system; but for (Zr55Al10Ni5Cu30)0.98Nb2 and Zr57Al10Ni12.6Cu15.4Nb5 matrix composite, the addition of Nb restrains the interface eutectoid reaction effectively, which may be attributed to reducing diffusion coefficient of Zr through the interface, and there is only a thinner diffusion layer at the interfaces, the type of interface is changed to the Class Ⅱ system

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6

Chao, R., and N. Laws. "The Fiber-Matrix Interface Crack." Journal of Applied Mechanics 64, no. 4 (December 1, 1997): 992–99. http://dx.doi.org/10.1115/1.2789011.

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The problem of an interface crack between a circular fiber and the surrounding matrix is considered. The problem is formulated and solved with the help of complex variable methods. It is essential to take into account the existence of contact zones at the crack tips. The solution procedure relies on the use of crack opening displacements as the primary variables. Ultimately the governing equations are shown to consist of two coupled singular integral equations together with contact and single valuedness conditions. In general these equations must be solved by numerical methods. Attention is focused on the lengths of the contact zones. It is shown that the lengths of these contact zones are essentially independent of one of the Dundurs parameters.

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7

Marshall, P., and J. Price. "Fibre/matrix interface property determination." Composites 22, no. 1 (January 1991): 53–57. http://dx.doi.org/10.1016/0010-4361(91)90103-n.

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8

Zhao, J. L., and H. F. Qiang. "Numerical Scheme for Micro-Damage Mechanism of Composite Propellant." Key Engineering Materials 417-418 (October 2009): 265–68. http://dx.doi.org/10.4028/www.scientific.net/kem.417-418.265.

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HTPB propellant is the high filled particulate elastomeric matrix composite. Debonding of particle/matrix interfaces can significantly affect the macroscopic behavior of composite propellant. How to model the propellant material and describe damage processes to discover damage mechanism has been a long-standing question. This paper used the bilinear cohesive law with different parameter values for particle/matrix interfaces to study interface debonding. By analyzing the damage evolution in two model particulate composite systems with finite element method, the scheme was shown to capture effects associated with the interface strength and the interactions between particles.

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9

Li, Longbiao. "Modeling matrix fracture in fiber-reinforced ceramic-matrix composites with different fiber preforms." Textile Research Journal 90, no. 7-8 (October 21, 2019): 909–24. http://dx.doi.org/10.1177/0040517519883956.

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In this paper, the stress-dependent matrix multiple fracture in silicon carbide fiber-reinforced ceramic-matrix composites with different fiber preforms is investigated. The critical matrix strain energy criterion is used to determine the matrix multiple fracture considering the interface debonding. The effects of the fiber radius, fiber elastic modulus, matrix elastic modulus, fiber volume, interface shear stress, and interface debonded energy on the matrix multiple fracture and the interface debonding are analyzed. The experimental matrix multiple cracking and interface debonding of minicomposite, unidirectional, and two-dimensional woven SiC/SiC composites with different fiber volumes and interphases are predicted. The matrix cracking density increases with the increasing of the fiber volume, fiber elastic modulus, interface shear stress, and interface debonded energy, and the decreasing of the fiber radius and matrix elastic modulus.

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10

JIANG, LIYING, HONGLAI TAN, JIAN WU, YONGGANG HUANG, and KEH-CHIH HWANG. "CONTINUUM MODELING OF INTERFACES IN POLYMER MATRIX COMPOSITES REINFORCED BY CARBON NANOTUBES." Nano 02, no. 03 (June 2007): 139–48. http://dx.doi.org/10.1142/s1793292007000519.

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The interface behavior may significantly influence the mechanical properties of carbon nanotube (CNT)-reinforced composites due to the large interface area per unit volume at the composite. The modeling of CNT/polymer interfaces has been a challenge in the continuum modeling of CNT-reinforced composites. This paper presents a review of recent progress to model the CNT/matrix interfaces via a cohesive law established from the van der Waals force. A simple, analytical cohesive law is obtained from the inter-atomic potential, and is used to study the effect of CNT/matrix interfaces on the macroscopic properties of CNT-reinforced composites.

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11

Siirtola, Harri, and Erkki Mäkinen. "Constructing and Reconstructing the Reorderable Matrix." Information Visualization 4, no. 1 (February 3, 2005): 32–48. http://dx.doi.org/10.1057/palgrave.ivs.9500086.

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We consider the backgrounds, applications, implementations, and user interfaces of the reorderable matrix originally introduced by Jacques Bertin. As a new tool for handling the matrix, we propose a new kind of interface for interactive cluster analysis. As the main tool to order the rows and columns, we use the well-known barycenter heuristic. Two user tests are performed to verify the usefulness of the automatic tools.

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12

Pegoretti, A. "Improving fibre/matrix interface through nanoparticles." Express Polymer Letters 7, no. 2 (2013): 106. http://dx.doi.org/10.3144/expresspolymlett.2013.10.

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13

Jansen, K. A., P. Atherton, and C. Ballestrem. "Mechanotransduction at the cell-matrix interface." Seminars in Cell & Developmental Biology 71 (November 2017): 75–83. http://dx.doi.org/10.1016/j.semcdb.2017.07.027.

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14

Hwang, L. "Interface compatibility in ceramic-matrix composites." Composites Science and Technology 56, no. 12 (1996): 1341–48. http://dx.doi.org/10.1016/s0266-3538(96)00008-5.

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15

Favre, J. P., and J. F. Stohr. "Interface mechanisms in resin matrix composites." Matériaux & Techniques 82, no. 4 (1994): 13–16. http://dx.doi.org/10.1051/mattech/199482040013.

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16

Thimbleby, Harold. "User interface design with matrix algebra." ACM Transactions on Computer-Human Interaction 11, no. 2 (June 2004): 181–236. http://dx.doi.org/10.1145/1005361.1005364.

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17

Chung, D. D. L. "Interface engineering for cement-matrix composites." Composite Interfaces 8, no. 1 (January 2000): 67–81. http://dx.doi.org/10.1163/15685540052543665.

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18

Kolodziej, Scott, Mohsen Aznaveh, Matthew Bullock, Jarrett David, Timothy Davis, Matthew Henderson, Yifan Hu, and Read Sandstrom. "The SuiteSparse Matrix Collection Website Interface." Journal of Open Source Software 4, no. 35 (March 10, 2019): 1244. http://dx.doi.org/10.21105/joss.01244.

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19

Dudek, H. J. "Interface analysis in metal matrix composites." Fresenius' Zeitschrift für analytische Chemie 333, no. 4-5 (January 1989): 422–25. http://dx.doi.org/10.1007/bf00572342.

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20

Marshall, P., and N. Stone. "Fibre-matrix interface transverse tensile debonding." Journal of Materials Science Letters 12, no. 4 (1993): 218–19. http://dx.doi.org/10.1007/bf00539803.

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21

Yiqiang, He, Bin Qiao, Na Wang, Jianming Yang, Jinsong Chen, and Zhen-hua Chen. "A Study on the Interfacial Structure of Spray-Deposited SiCP / Al-Fe-V-Si Composite." Advanced Composites Letters 18, no. 4 (July 2009): 096369350901800. http://dx.doi.org/10.1177/096369350901800404.

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SiCP/Al-Fe-V-Si composite was prepared by spray-deposition. Two kinds of interfaces between SiC particle and the Al matrix were observed in the composite. One was constituted by the glassy silica which could decrease the formation of Al4C3, improve wettability, avoid particle consumption and increase the interfacial strength. The other was a diffusion interface without any interfacial phase which resulted in a high strength bonding at the SiC interface. Fine twinned Al4C3 phases formed in the matrix near the interface, then strengthened the composite further.

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22

Koyanagi, Jun, Shinji Ogihara, Hayato Nakatani, Tomonaga Okabe, and Satoru Yoneyama. "Mechanical properties of fiber/matrix interface in polymer matrix composites." Advanced Composite Materials 23, no. 5-6 (May 14, 2014): 551–70. http://dx.doi.org/10.1080/09243046.2014.915125.

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23

Evans, A. G. "Interfacial phenomena in the fracture resistance of interfaces." Proceedings, annual meeting, Electron Microscopy Society of America 46 (1988): 720–21. http://dx.doi.org/10.1017/s0424820100105667.

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In composite systems, the mechanical response of interfaces to the approach of cracks that initially form either in the matrix or in the fiber dominates the mechanical performance. In particular, in brittle matrix composites, the interface must have a sufficiently low fracture resistance compared with that of both the fiber and matrix that the crack diverts into the interface and debonds the fiber, Thereafter, the debonded fiber must be able to slide against the matrix with a low friction stress in order to inhibit fiber failure and thus enhance pull-out. These processes are schematically illustrated in Fig. 1. Mechanics investigations have established requirements concerning debonding and sliding that must be satisfied in order to achieve good composite properties. At the simplest level, these studies reveal that the fracture energy of the interface should be less than about one-third that of either the fiber or the matrix.

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24

Zhan, Wei, Andrey Yurievich Kosinskiy, Lasse Vines, Klaus Magnus Johansen, Patricia Almeida Carvalho, and Øystein Prytz. "ZnCr2O4 Inclusions in ZnO Matrix Investigated by Probe-Corrected STEM-EELS." Materials 12, no. 6 (March 16, 2019): 888. http://dx.doi.org/10.3390/ma12060888.

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The ZnCr2O4/ZnO materials system has a wide range of potential applications, for example, as a photocatalytic material for waste-water treatment and gas sensing. In this study, probe-corrected high-resolution scanning transmission electron microscopy and geometric phase analysis were utilized to study the dislocation structure and strain distribution at the interface between zinc oxide (ZnO) and embedded zinc chromium oxide (ZnCr2O4) particles. Ball-milled and dry-pressed ZnO and chromium oxide (α-Cr2O3) powder formed ZnCr2O4 inclusions in ZnO with size ~400 nm, where the interface properties depended on the interface orientation. In particular, sharp interfaces were observed for ZnO [2113]/ZnCr2O4 [110] orientations, while ZnO [1210]/ZnCr2O4 [112] orientations revealed an interface over several atomic layers, with a high density of dislocations. Further, monochromated electron energy-loss spectroscopy was employed to map the optical band gap of ZnCr2O4 nanoparticles in the ZnO matrix and their interface, where the average band gap of ZnCr2O4 nanoparticles was measured to be 3.84 ± 0.03 eV, in contrast to 3.22 ± 0.01 eV for the ZnO matrix.

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25

Li, Tian Bao, Zhao Yang, Bing Li, and Yu Long Ye. "Mechanical Properties of Hypo/Hyper-Eutectic Al-Si Bi-Metal Composite Parts Prepared by Thixo-Forging." Solid State Phenomena 192-193 (October 2012): 95–100. http://dx.doi.org/10.4028/www.scientific.net/ssp.192-193.95.

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Hypo/hyper-eutectic Al-Si bi-metal composite parts were prepared by the strain-induced melt activated (SIMA) thixo-forging. The interfaces of the bi-metal composites were observed using OM, and SEM. The tensile strength and hardness of the matrix alloys and the bonding strength at the interface were assessed by tensile test and micro-indent test. Results show that the eutectic structure joined together on the interface under the pressure. However, there are some defects such as holes and impurities were found near the interface. The tensile test samples were broken in Al-20 wt. % Si matrix. The bonding strengths at the interfaces were higher than 80 MPa. Results show that the hardness gradually increasing from 55 HV in Al-7 wt. % Si alloy to 180 HV in Al-20 wt. % Si alloy, which demonstrate the composite interface transited smoothly. The composite interface has an average hardness of 80 HV.

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26

Zhang, Cheng Shan. "The Interface Design of a Dot Matrix Liquid Crystal Display." Advanced Materials Research 490-495 (March 2012): 3822–25. http://dx.doi.org/10.4028/www.scientific.net/amr.490-495.3822.

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A new LCD interface design is put forward in this paper. The design solves the problems of taking too much time to deal with data and different interfaces which exists in common LCD. With this method, it is not necessary to proceed time-consuming LCD control and dot matrix operation, which is in favor of real-time processing of mass data by controller.

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27

Li, Longbiao. "Effect of Interface Properties on Tensile and Fatigue Behavior of 2D Woven SiC/SiC Fiber-Reinforced Ceramic-Matrix Composites." Advances in Materials Science and Engineering 2020 (January 8, 2020): 1–17. http://dx.doi.org/10.1155/2020/3618984.

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In this paper, the effect of the fiber/matrix interface properties on the tensile and fatigue behavior of 2D woven SiC/SiC ceramic-matrix composites (CMCs) is investigated. The relationships between the interface parameters of the fiber/matrix interface debonding energy and interface frictional shear stress in the interface debonding region and the composite tensile and fatigue damage parameters of first matrix cracking stress, matrix cracking density, and fatigue hysteresis-based damage parameters are established. The effects of the fiber/matrix interface properties on the first matrix cracking stress, matrix cracking evolution, first and complete interface debonding stress, fatigue hysteresis dissipated energy, hysteresis modulus, and hysteresis width are analyzed. The experimental first matrix cracking stress, matrix cracking evolution, and fatigue hysteresis loops of SiC/SiC composites are predicted using different interface properties.

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28

Xiao, S. Q., A. H. Heuer, and P. Pirouz. "A HREM study of the interfaces between TiO2 precipitates and the Al2O3 matrix in star sapphire." Proceedings, annual meeting, Electron Microscopy Society of America 50, no. 1 (August 1992): 228–29. http://dx.doi.org/10.1017/s0424820100121545.

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The asterism, or star effect, present in star sapphire (Ti-doped A12O3) single crystals is known to arise from the needle-like rutile(r) (TiO2) precipitates in the sapphire(s) matrix. The specific orientation relationship between the precipitates and the matrix is {100}r//{0003}s and <011>r//<1010>s . In this work we report a HREM study of the rutile/sapphire interface.The cross-section perpendicular to the needle axis of a very small precipitate, which is coherent, or has just one misfit dislocation at its interface, is a rhombus; the precipitate/matrix interface (habit plane) is {111}r{1123}s. As the coherency break down and misfit dislocations are introduced into the interface, the shape of the cross-section becomes nearly square; the two orthogonal interfaces are {100}r//0003}s and {011}r//{1120}s. Larger precipitates show rectangular interfaces elongated along the {100}r//{0003}s interface (Fig.l). A regular array of misfit dislocations with Burger vector b = 1/3<0001>S are present at the {011}r//{1120}s interface, the mean distance between every two adjacent 1/3<0001>S misfit dislocations being 8.7 nm which compensates exactly the 5.9% lattice mismatch estimated from the lattice constants of these two structures. Similarly, a regular array of misfit dislocations with Burgers vector b = 1/3<1010>S at the {100}r//{0003}s interface compensates the 4.5% lattice mismatch at that interface.

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29

Lamon, Jacques, and Stephane Pompidou. "Micromechanics-Based Evaluation of Interfaces in Ceramic Matrix Composites." Advances in Science and Technology 50 (October 2006): 37–45. http://dx.doi.org/10.4028/www.scientific.net/ast.50.37.

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Interfaces are a key element in ceramic matrix composites, but also in several material assemblies, such as, for instance, multilayers. This is not only because they can cause crack deflection and make materials damage tolerant, but also because they can be tailored with regard to material performances. An approach to crack deflection at interfaces or within interphases is proposed on the basis of the following Cook and Gordon’s mechanism: a crack is nucleated along an interface, ahead of a propagating crack; deflection of this crack then results from coalescence with the interface crack. The stress state induced by a crack was computed in a cell of bimaterial using the finite element method. The cell represents a matrix and a fiber, or an interphase and a fiber or two layers in a multilayer. A master curve was established. It represents the debonding condition based on strengths and elastic moduli of constituents. Then a deviation potential was defined. Deviation potentials were calculated for various fibre/matrix or layer combinations.

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30

Ma, Chang Bing, and Hong Fu Qiang. "The Effect of Interface Damage on Macroscopic Constitutive Behavior of Composite Materials." Advanced Materials Research 217-218 (March 2011): 1001–5. http://dx.doi.org/10.4028/www.scientific.net/amr.217-218.1001.

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Base on the finite element method, the effect of interface damage on macroscopic constitutive behavior of composite materials subjected to uniaxial tension was studied. A bilinear cohesive law, which relates the traction and displacement jumps, was adopted to model the debonding of particle/matrix interface. Stress-strain curves for a material with different interface properties, particle size and volume fraction were discussed in detail. The results show that the damage due to debonding of particle/matrix interfaces can significantly affect the macroscopic response of composite materials, and that the interaction of particles is innegligible in multi-particle structure.

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31

Zhu, Wen Liang, Dong Mei Luo, Ying Long Zhou, and Wen Xue Wang. "An Analytical Model of Stress-Transfer in the Nano-Composites with Debonding Interface." Advanced Materials Research 163-167 (December 2010): 4599–603. http://dx.doi.org/10.4028/www.scientific.net/amr.163-167.4599.

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An improved shear-lag analytical model has been established to study stress transfer in carbon nanotube (CNT) reinforced polymer matrix composites with and without debonding interface. The Poisson’s effect and radial effect of matrix is considered in the model for the first time, and a simplified 2D representative volume element (RVE) is modeled using a four-phase composite composed of matrix, nanotube, bonded, and debonded interfaces in this analysis, and the axial stress for CNT and matrix and interfacial shear stress along the CNT is predicted. The results show that load transfer efficiency in CNT reinforced composites is affected by the debonding length, and the abrupt change of shear stress is existent at the tip of debonding interface.

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32

Chlup, Zdeněk, Martin Černý, Adam Strachota, Martina Halasova, and Ivo Dlouhý. "Fibre-Matrix Interface Development during High Temperature Exposition of Long Fibre Reinforced SiOC Matrix." Key Engineering Materials 592-593 (November 2013): 401–4. http://dx.doi.org/10.4028/www.scientific.net/kem.592-593.401.

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The fracture behaviour of long fibre reinforced composites is predetermined mainly by properties of fibre-matrix interface. The matrix prepared by pyrolysis of polysiloxane resin possesses ability to resist high temperatures without significant damage under oxidising atmosphere. The application is therefore limited by fibres and possible changes in the fibre matrix interface. The study of development of interface during high temperature exposition is the main aim of this contribution. Application of various techniques as FIB, GIS, TEM, XRD allowed to monitor microstructural changes in the interface of selected places without additional damage caused by preparation. Additionally, it was possible to obtain information about damage, the crack formation, caused by the heat treatment from the fracture mechanics point of view.

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33

Cornie, James A., Ali S. Argon, and Vijay Gupta. "Designing Interfaces in Inorganic Matrix Composites." MRS Bulletin 16, no. 4 (April 1991): 32–38. http://dx.doi.org/10.1557/s0883769400057080.

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The key to controlling and predicting the properties of metal matrix composites lies in understanding and controlling the interface. When properly designed, the interface between reinforcing fibers and the matrix or protective coating can act as a mechanical fuse through a controlled delamination mechanism.Controlled delamination, in effect, results in the decoupling of fibers from early damage due to stress concentrations in the vicinity. The delamination event must precede the crack bridging and frictional pull-out mechanisms that have been so effectively demonstrated in ceramic matrix composites. The delamination event, therefore, is the necessary precondition, and so analysis of composite toughening must start with a definition of the conditions for interface debonding.This decoupling can be expressed in terms of cohesive strength of the interface, shear strength of the interface, and fiber fracture stress. In a related but alternative manner, debonding can be expressed in terms of the intrinsic work of fracture of the interface as compared to the transverse work of fracture of the fiber.

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34

Longbiao, Li. "A time-dependent tensile constitutive model for long-fiber-reinforced unidirectional ceramic-matrix minicomposites considering interface and fiber oxidation." International Journal of Damage Mechanics 29, no. 7 (May 12, 2020): 1138–66. http://dx.doi.org/10.1177/1056789520924103.

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In this paper, a time-dependent tensile constitutive model of long-fiber-reinforced unidirectional ceramic-matrix minicomposites is developed considering the interface and fiber oxidation. The relationship between the time-dependent tensile behavior and internal damage is established. The damage mechanisms of time-dependent matrix cracking, fiber/matrix interface debonding, fiber failure, and the oxidation of the interface and fiber are considered in the analysis of the time-dependent tensile stress–strain curve. The fracture mechanic approach, matrix statistical cracking model, and fiber statistical failure model are used to determine the time-dependent interface debonding length, matrix crack spacing, and the fiber failure probability considering the time-dependent interface and fiber oxidation. The effects of the fiber volume, fiber radius, matrix Weibull modulus, matrix cracking characteristic strength, matrix cracking saturation spacing, interface shear stress, interface debonding energy, fiber strength, fiber Weibull modulus, and oxidation time on the time-dependent tensile stress–strain curves, matrix cracking density, interface debonding, and fiber failure are discussed. The experimental time-dependent tensile stress–strain curves, matrix cracking, interface debonding, and fiber failure of four different unidirectional SiC/SiC minicomposites for different oxidation time are predicted. The composite tensile strength and failure strain increase with the fiber volume, fiber strength, and fiber Weibull modulus, and decrease with the oxidation time; the fiber/matrix interface debonding length increases with the fiber radius and oxidation time and decreases with the interfacial shear stress and interface debonding energy; the fiber/matrix interface oxidation ratio increases with the interfacial shear stress, interface debonding energy, and oxidation time and decreases with the saturation matrix crack spacing.

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35

Li, Longbiao. "Micromechanical Modeling for Fatigue Hysteresis Loops of Fiber-Reinforced Ceramic–Matrix Composites Under Multiple Loading Stress Levels." International Journal of Applied Mechanics 07, no. 06 (December 2015): 1550087. http://dx.doi.org/10.1142/s1758825115500878.

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In this paper, the fatigue hysteresis loops of fiber-reinforced ceramic–matrix composites (CMCs) under multiple loading stress levels considering interface wear have been investigated using micromechanics approach. Under fatigue loading, fiber/matrix interface shear stress decreases with the increase of cycle number due to interface wear. Upon increasing of fatigue peak stress, the interface debonded length would propagate along the fiber/matrix interface. The difference of interface shear stress existing in the new and original debonded region would affect interface debonding and interface frictional slipping between fibers and matrix. Based on the fatigue damage mechanism of fiber slipping relative to matrix in the interface debonded region upon unloading and subsequent reloading, the interface debonded length, unloading interface counter-slip length and reloading interface new-slip length are determined by fracture mechanics approach. The fatigue hysteresis loop models under multiple peak stress levels have been developed. The effects of fiber volume fraction, fatigue peak stress, matrix crack spacing, interface debonding and interface wear on interface slip and fatigue hysteresis loops have been analyzed.

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Zhao, Zhanyong, Shijie Chang, Jie Wang, Peikang Bai, Wenbo Du, and Wenjie Zhao. "First-Principles Study on Graphene/Mg2Si Interface of Selective Laser Melting Graphene/Aluminum Matrix Composites." Metals 11, no. 6 (June 10, 2021): 941. http://dx.doi.org/10.3390/met11060941.

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The bonding strength of a Gr/Mg2Si interface was calculated by first principles. Graphene can form a stable, completely coherent interface with Mg2Si. When the (0001) Gr/(001) Mg2Si crystal plane is combined, the mismatch degree is 5.394%, which conforms to the two-dimensional lattice mismatch theory. At the interface between Gr/Mg2Si, chemical bonds were not formed, there was only a strong van der Waals force; the interfaces composed of three low index surfaces (001), (011) and (111) of Mg2Si and Gr (0001) have smaller interfacial adhesion work and larger interfacial energy, the interfacial energy of Gr/Mg2Si is much larger than that of α-Al/Al melt and Gr/Al interfacial (0.15 J/m2, 0.16 J/m2), and the interface distance of a stable interface is larger than the bond length of a chemical bond. The interface charge density difference diagram and density of states curve show that there is only strong van der Waals force in a Gr/Mg2Si interface. Therefore, when the Gr/AlSi10Mg composite is stressed and deformed, the Gr/Mg2Si interface in the composite is easy to separate and become the crack propagation source. The Gr/Mg2Si interface should be avoided in the preparation of Gr/AlSi10Mg composite.

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Li, Longbiao. "Effect of Cyclic Fatigue Loading on Matrix Multiple Fracture of Fiber-Reinforced Ceramic-Matrix Composites." Ceramics 2, no. 2 (May 13, 2019): 327–46. http://dx.doi.org/10.3390/ceramics2020027.

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In this paper, the effect of cyclic fatigue loading on matrix multiple fracture of fiber-reinforced ceramic-matrix composites (CMCs) is investigated using the critical matrix strain energy (CMSE) criterion. The relationships between multiple matrix cracking, cyclic fatigue peak stress, fiber/matrix interface wear, and debonding are established. The effects of fiber volume fraction, fiber/matrix interface shear stress, and applied cycle number on matrix multiple fracture and fiber/matrix interface debonding and interface wear are discussed. Comparisons of multiple matrix cracking with/without cyclic fatigue loading are analyzed. The experimental matrix cracking of unidirectional SiC/CAS, SiC/SiC, SiC/Borosilicate, and mini-SiC/SiC composites with/without cyclic fatigue loading are predicted.

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Chen, Song, Lei Wei, Bingxue Cheng, Yongliang Jin, and Haitao Duan. "Influences of interface structure on tribological properties of engineering polymer blends: a review." Journal of Polymer Engineering 40, no. 8 (September 25, 2020): 629–36. http://dx.doi.org/10.1515/polyeng-2020-0076.

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AbstractPolymer blends have been widely used as tribological materials for replacements of traditional metals and ceramics. Polymer blends consist of the reinforced phase, the matrix phase and interfaces between reinforced and matrix phase. Although the interface structure of polymer blends is usually small in size, it is one of the key factors for deciding the physical and tribological properties of polymer blends. Thus, this review highlights the most recent trends in the field of influences of interface structure on tribological properties of engineering polymer blends. Emphasis is given to the improvement methods of interfacial compatibility of polymer blends and the behavior variation of interface structure during friction process.

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Yu, R., S. Zhang, L. L. He, W. T. Wu, and H. Q. Ye. "Metal/ceramic interface in an in situsynthesized Ti/TiCP composite coating by laser processing." Journal of Materials Research 16, no. 1 (January 2001): 9–12. http://dx.doi.org/10.1557/jmr.2001.0003.

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The metal/ceramic interface in an in situ synthesized Ti/TiCP composite coating by laser processing was analyzed using high-resolution transmission electron microscopy. The TiC particles were distributed uniformly in the matrix and were highly faceted. The interfaces between the TiC particles and the β matrix were abrupt and free of any other reaction phases. It was the Ti-terminated TiC surface that bonded to the β matrix, resulting in the metallic bonding between the TiC particles and the matrix.

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Goushegir, S. M., P. O. Guglielmi, Antonio Pedro Novaes de Oliveira, Dachamir Hotza, and Rolf Janssen. "Fiber-Matrix Compatibility in LZSA Glass-Ceramic Matrix Composites." Materials Science Forum 727-728 (August 2012): 562–67. http://dx.doi.org/10.4028/www.scientific.net/msf.727-728.562.

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Continuous fiber reinforced glass-ceramic (GC) matrix composites are potential candidates for thermomechanical applications at moderate temperatures (up to 1000°C) due to the combination of interesting properties such as high specific strength and toughness. Crack deflection into fiber-matrix interface, as well as subsequent fiber pullout and bridging are the respective toughening mechanisms. In this paper, the compatibility between LZSA glass-ceramic matrix and commercially available oxide alumina fibers (NextelTM610) is qualitatively examined. Toughening mechanisms such as crack deflection and fiber pullout are investigated by analyzing the path of Vickers-induced matrix cracks formed in the vicinity of the fibers and by investigating the crack surface of bending samples, respectively. GC matrix samples sintered and crystallized at different heat-treatment conditions have shown strong interfacial bonds between matrix and fibers, which leads to a brittle fracture without significant fiber pullout in all cases. This behavior indicates the requirement of using fiber coatings in this CMC system, to produce weak interfaces that enable toughening mechanisms to take place.

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Shao, Yixin, Zongjin Li, and Surendra P. Shah. "Matrix cracking and interface debonding in fiber-reinforced cement-matrix composites." Advanced Cement Based Materials 1, no. 2 (December 1993): 55–66. http://dx.doi.org/10.1016/1065-7355(93)90010-l.

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Hall, I. W., T. Kyono, and A. Diwanji. "On the fibre/matrix interface in boron/aluminium metal matrix composites." Journal of Materials Science 22, no. 5 (May 1987): 1743–48. http://dx.doi.org/10.1007/bf01132401.

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Mogilevsky, R., S. R. Bryan, W. S. Wolbach, T. W. Krucek, R. D. Maier, G. L. Shoemaker, J. M. Chabala, K. K. Soni, and R. Levi-Setti. "Reactions at the matrix/reinforcement interface in aluminum alloy matrix composites." Materials Science and Engineering: A 191, no. 1-2 (February 1995): 209–22. http://dx.doi.org/10.1016/0921-5093(94)09635-a.

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Li, Longbiao. "Effect of temperature on matrix multicracking evolution of C/SiC fiber-reinforced ceramic-matrix composites." High Temperature Materials and Processes 39, no. 1 (June 9, 2020): 189–99. http://dx.doi.org/10.1515/htmp-2020-0044.

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AbstractIn this paper, the temperature-dependent matrix multicracking evolution of carbon-fiber-reinforced silicon carbide ceramic-matrix composites (C/SiC CMCs) is investigated. The temperature-dependent composite microstress field is obtained by combining the shear-lag model and temperature-dependent material properties and damage models. The critical matrix strain energy criterion assumes that the strain energy in the matrix has a critical value. With increasing applied stress, when the matrix strain energy is higher than the critical value, more matrix cracks and interface debonding occur to dissipate the additional energy. Based on the composite damage state, the temperature-dependent matrix strain energy and its critical value are obtained. The relationships among applied stress, matrix cracking state, interface damage state, and environmental temperature are established. The effects of interfacial properties, material properties, and environmental temperature on temperature-dependent matrix multiple fracture evolution of C/SiC composites are analyzed. The experimental evolution of matrix multiple fracture and fraction of the interface debonding of C/SiC composites at elevated temperatures are predicted. When the interface shear stress increases, the debonding resistance at the interface increases, leading to the decrease of the debonding fraction at the interface, and the stress transfer capacity between the fiber and the matrix increases, leading to the higher first matrix cracking stress, saturation matrix cracking stress, and saturation matrix cracking density.

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Li, Xingguo, Bingbing An, and Dongsheng Zhang. "Effect of Interfacial Properties on the Mechanical Behavior of Bone-Like Materials: A Numerical Study." International Journal of Applied Mechanics 09, no. 01 (January 2017): 1750014. http://dx.doi.org/10.1142/s1758825117500144.

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Interfacial behavior in the microstructure and the plastic deformation in the protein matrix influence the overall mechanical properties of biological hard tissues. A cohesive finite element model has been developed to investigate the inelastic mechanical properties of bone-like biocomposites consisting of hard mineral crystals embedded in soft biopolymer matrix. In this study, the complex interaction between plastic dissipation in the matrix and bonding properties of the interface between minerals and matrix is revealed, and the effect of such interaction on the toughening of bone-like biocomposites is identified. For the case of strong and intermediate interfaces, the toughness of biocomposites is controlled by the post yield behavior of biopolymer; the matrix with low strain hardening can undergo significant plastic deformation, thereby promoting enhanced fracture toughness of biocomposites. For the case of weak interfaces, the toughness of biocomposites is governed by the bonding property of the interface, and the post-yield behavior of biopolymer shows negligible effect on the toughness. The findings of this study help to direct the path for designing bioinspired materials with superior mechanical properties.

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MANOCHA, L. M., O. P. BAHL, and Y. K. SINGH. "Fiber/Matrix Interface in Carbon/Carbon Composites." TANSO 1989, no. 140 (1989): 255–60. http://dx.doi.org/10.7209/tanso.1989.255.

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NOEL, A., M. JOST, and E. MAQUOI. "Matrix metalloproteinases at cancer tumor–host interface." Seminars in Cell & Developmental Biology 19, no. 1 (February 2008): 52–60. http://dx.doi.org/10.1016/j.semcdb.2007.05.011.

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Lhymn, Chang. "Deformation mechanism of a fibre-matrix interface." Journal of Materials Science Letters 4, no. 11 (November 1985): 1323–26. http://dx.doi.org/10.1007/bf00720092.

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Grounds, M. D., L. Sorokin, and J. White. "Strength at the extracellular matrix-muscle interface." Scandinavian Journal of Medicine and Science in Sports 15, no. 6 (December 2005): 381–91. http://dx.doi.org/10.1111/j.1600-0838.2005.00467.x.

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Sarkar, N. K. "Metal–matrix interface in reinforced glass ionomers." Dental Materials 15, no. 6 (November 1999): 421–25. http://dx.doi.org/10.1016/s0109-5641(99)00069-x.

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