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Simulation Of Fatigue Behavior Of High Temperature Metal Matrix Composites
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Book Synopsis Simulation of Fatigue Behavior of High Temperature Metal Matrix Composites by : CC. Chamis
Download or read book Simulation of Fatigue Behavior of High Temperature Metal Matrix Composites written by CC. Chamis and published by . This book was released on 1996 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: A generalized relatively new approach is described for the computational simulation of fatigue behavior of high temperature metal matrix composites (HT-MMCs). This theory is embedded in a specialty-purpose computer code. The effectiveness of the computer code to predict the fatigue behavior of HT-MMCs is demonstrated by applying it to a silicon-fiber/titanium-matrix HT-MMC. Comparative results are shown for mechanical fatigue, thermal fatigue, thermomechanical (in-phase and out-of-phase) fatigue, as well as the effects of oxidizing environments on fatigue life. These results show that the new approach reproduces available experimental data remarkably well.
Book Synopsis Thermomechanical fatigue behavior of materials by : Michael J. Verrilli
Download or read book Thermomechanical fatigue behavior of materials written by Michael J. Verrilli and published by ASTM International. This book was released on 1996 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722103989 Total Pages :26 pages Book Rating :4.1/5 (39 download)
Book Synopsis Combined Thermal and Bending Fatigue of High-Temperature Metal-Matrix Composites by : National Aeronautics and Space Administration (NASA)
Download or read book Combined Thermal and Bending Fatigue of High-Temperature Metal-Matrix Composites written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-30 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: The nonlinear behavior of a high-temperature metal-matrix composite (HT-MMC) was simulated by using the metal matrix composite analyzer (METCAN) computer code. The simulation started with the fabrication process, proceeded to thermomechanical cyclic loading, and ended with the application of a monotonic load. Classical laminate theory and composite micromechanics and macromechanics are used in METCAN, along with a multifactor interaction model for the constituents behavior. The simulation of the stress-strain behavior from the macromechanical and the micromechanical points of view, as well as the initiation and final failure of the constituents and the plies in the composite, were examined in detail. It was shown that, when the fibers and the matrix were perfectly bonded, the fracture started in the matrix and then propagated with increasing load to the fibers. After the fibers fractured, the composite lost its capacity to carry additional load and fractured. Gotsis, Pascal K. Glenn Research Center RTOP 510-10-01...
Book Synopsis Thermo-mechanical Fatigue Behavior of Materials by : Huseyin Sehitoglu
Download or read book Thermo-mechanical Fatigue Behavior of Materials written by Huseyin Sehitoglu and published by ASTM International. This book was released on 2000 with total page 339 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Introduction to Fatigue in Metals and Composites by : R.L. Carlson
Download or read book Introduction to Fatigue in Metals and Composites written by R.L. Carlson and published by Springer Science & Business Media. This book was released on 1995-11-30 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: An Introduction to Fatigue in Metals and Composites provides a balanced treatment of the phenomenon of fatigue in metals, nonmetals and composites with polymeric, metallic and ceramic matrices. The applicability of the safe life philosophy of design is examined for each of the materials. Attention is also focused on the stable crack growth phase of fatigue and differences in the operative mechanisms for the various classes of materials are considered. The impacts of these differences on the development of damage tolerance strategies are examined. Among topics discussed are; variable amplitude loading with tensile and compressive overload; closure obstruction; bridging mechanisms; mixed mode states; small cracks; delamination mechanisms and environmental conditions. The arrangement and presentation of the topics are such that An Introduction to Fatigue in Metals and Composites can serve as a course text for mechanical, civil, aeronautical and astronautical engineering and material science courses as well as a reference for engineers who are concerned with fatigue testing and aircraft, automobile and engine design.
Book Synopsis Thermomechanical Fatigue Behavior of Materials by : Huseyin Sehitoglu
Download or read book Thermomechanical Fatigue Behavior of Materials written by Huseyin Sehitoglu and published by ASTM International. This book was released on 1993 with total page 259 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thermomechanical Fatigue Behavior of Materials by :
Download or read book Thermomechanical Fatigue Behavior of Materials written by and published by . This book was released on 2003 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fatigue Behavior of a Cross-Ply Metal Matrix Composite at Elevated Temperature Under Strain Controlled Mode by :
Download or read book Fatigue Behavior of a Cross-Ply Metal Matrix Composite at Elevated Temperature Under Strain Controlled Mode written by and published by . This book was released on 1994 with total page 127 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research extends the existing knowledge of cross-ply metal matrix composites (MMC) to include fatigue behavior under strain-controlled fully reversed loading. This study investigated fatigue life, failure modes and damage mechanisms of the SCS-6/Ti-15-3, (O/9O)2s, MMC. The laminate was subjected to fully reversed fatigue at elevated temperature (427 deg C) at various strain levels. Stress, strain and modulus data were analyzed to characterize the macro-mechanical behavior of the composite. Microscopy and fractography were accomplished to identify and characterize the damage mechanisms at the microscopic level. Failure modes varied according to the maximum applied strain level showing either mixed mode (i.e. combination of both fiber and matrix dominated modes) or matrix dominated fatigue failures. As expected, higher strain loadings resulted in more ductility of the matrix at failure, evidenced by fracture surface features. For testing of the same composite laminate, the fatigue life under strain controlled mode slightly increased, compared to its load-controlled mode counterpart, using the effective strain range comparison basis. However, the respective fatigue life curves converged in the high cycle region, suggesting that the matrix dominated failure mode produces equivalent predicted fatigue lives for both control modes.
Author :National Aeronautics and Space Adm Nasa Publisher :Independently Published ISBN 13 :9781728731643 Total Pages :38 pages Book Rating :4.7/5 (316 download)
Book Synopsis The Isothermal Fatigue Behavior of a Unidirectional Sic/Ti Composite and the Ti Alloy Matrix by : National Aeronautics and Space Adm Nasa
Download or read book The Isothermal Fatigue Behavior of a Unidirectional Sic/Ti Composite and the Ti Alloy Matrix written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-10-15 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: The high temperature fatigue behavior of a metal matrix composite (MMC) consisting of Ti-15V-3Cr-3Al-3Sn (Ti-15-3) matrix reinforced by 33 vol percent of continuous unidirectional SiC fibers was experimentally and analytically evaluated. Isothermal MMC fatigue tests with constant amplitude loading parallel to the fiber direction were performed at 300 and 550 C. Comparative fatigue tests of the Ti-15-3 matrix alloy were also conducted. Composite fatigue behavior and the in-situ stress state of the fiber and matrix were analyzed with a micromechanical model, the Concentric Cylinder Model (CCM). The cyclic stress-strain response of the composite was stable at 300 C. However, an increase in cyclic mean strain foreshortened MMC fatigue life at high strain ranges at 550 C. Fatigue tests of the matrix alloy and CCM analyses indicated this response was associated with stress relaxation of the matrix in the composite. Gayda, John, Jr. and Gabb, Timothy P. and Freed, Alan D. Glenn Research Center RTOP 505-63-1A
Book Synopsis Frequency Effects on Fatigue Behavior of a Unidirectional Metal Matrix Composite at Elevated Temperature by : Robert N. Pittman
Download or read book Frequency Effects on Fatigue Behavior of a Unidirectional Metal Matrix Composite at Elevated Temperature written by Robert N. Pittman and published by . This book was released on 1995 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thermomechanical Fatigue of Ceramic-Matrix Composites by : Longbiao Li
Download or read book Thermomechanical Fatigue of Ceramic-Matrix Composites written by Longbiao Li and published by John Wiley & Sons. This book was released on 2019-07-30 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: Guides researchers and practitioners toward developing highly reliable ceramic-matrix composites The book systematically introduces the thermomechanical fatigue behavior of fiber-reinforced ceramic-matrix composites (CMCs) and environmental barrier coatings, including cyclic loading/unloading tensile behavior, cyclic fatigue behavior, dwell-fatigue behavior, thermomechanical fatigue behavior, and interface degradation behavior. It discusses experimental verification of CMCs and explains how to determine the thermomechanical properties. It also presents damage evolution models, lifetime prediction methods, and interface degradation rules. Thermomechanical Fatigue of Ceramic-Matrix Composites offers chapters covering unidirectional ceramic-matrix composites and cross-ply and 2D woven ceramic-matrix composites. For cyclic fatigue behavior of CMCs, it looks at the effects of fiber volume fraction, fatigue peak stress, fatigue stress ratio, matrix crack spacing, matrix crack mode, and woven structure on fatigue damage evolution. Both the Dwell-fatigue damage evolution and lifetime predictions models are introduced in the next chapter. Experimental comparisons of the cross-ply SiC/MAS composite, 2D SiC/SiC composite, and 2D NextelTM 720/Alumina composite are also included. Remaining sections examine: thermomechanical fatigue hysteresis loops; in-phase thermomechanical fatigue damage; out-of-phase thermomechanical fatigue; interface degradation models; and much more. -Offers unique content dedicated to thermomechanical fatigue behavior of ceramic-matrix composites (CMCs) and environmental barrier coatings -Features comprehensive data tables and experimental verifications -Covers a highly application-oriented subject?CMCs are being increasingly utilized in jet engines, industrial turbines, and exhaust systems Thermomechanical Fatigue of Ceramic-Matrix Composites is an excellent book for developers and users of CMCs, as well as organizations involved in evaluation and characterization of CMCs. It will appeal to materials scientists, construction engineers, process engineers, and mechanical engineers.
Book Synopsis Fatigue Behavior of a Cross-ply Metal Matrix Composite at Elevated Temperature Under Strain Controlled Mode by : Leon B. Dennis (CAPT, USAF.)
Download or read book Fatigue Behavior of a Cross-ply Metal Matrix Composite at Elevated Temperature Under Strain Controlled Mode written by Leon B. Dennis (CAPT, USAF.) and published by . This book was released on 1994 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mechanical Fatigue of Metals by : José A.F.O. Correia
Download or read book Mechanical Fatigue of Metals written by José A.F.O. Correia and published by Springer. This book was released on 2019-05-07 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the proceedings of the XIX International Colloquium on Mechanical Fatigue of Metals, held at the Faculty of Engineering of the University of Porto, Portugal, 5-7 September 2018. This International Colloquium facilitated and encouraged the exchange of knowledge and experiences among the different communities involved in both basic and applied research in the field of the fatigue of metals, looking at the problem of fatigue exploring analytical and numerical simulative approaches. Fatigue damage represents one of the most important types of damage to which structural materials are subjected in normal industrial services that can finally result in a sudden and unexpected abrupt fracture. Since metal alloys are still today the most used materials in designing the majority of components and structures able to carry the highest service loads, the study of the different aspects of metals fatigue attracts permanent attention of scientists, engineers and designers.
Book Synopsis Characterization of Fatigue Damage in a Metal Matrix Composite (SCS-6/ TI-15-3) at Elevated Temperature by :
Download or read book Characterization of Fatigue Damage in a Metal Matrix Composite (SCS-6/ TI-15-3) at Elevated Temperature written by and published by . This book was released on 1993 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fatigue characteristics of a unidirectional titanium based metal matrix composite site (MMC) were investigated at elevated temperature (427 deg C). A hybrid strain controlled loading made was used to subject the 0 deg and 90 deg laminas to fatigue. Along with the fatigue tests, microscopy and analytical modeling were also conducted. This combination of activities led to defining the initiation and progression of damage and deformation in the MMC. When loading was parallel to the fiber direction, the fatigue behavior was initially dominated by creep deformation of the matrix. Then, depending on the maximum strain, specimen failure was the result either fiber fractures or matrix cracking. In contrast, when loading was perpendicular to the fiber direction, the fatigue response was first dominated by the initiation of fiber-matrix interface damage. Then, if the maximum strain was above .35%, the dominant damage mechanism was matrix cracking. Below this strain level, the damage was a mixture of matrix microcracks and the progression of fiber-matrix interface damage. The analysis for this fiber orientation included unique methods to model the interface damage. This hybrid approach involving experiments, microscopy, and analytical modeling provided better understanding of the fatigue behavior of the MCC.
Book Synopsis Considerations Concerning Fatigue Life of Metal Matrix Composites by : V. M. Radhakrishnan
Download or read book Considerations Concerning Fatigue Life of Metal Matrix Composites written by V. M. Radhakrishnan and published by . This book was released on 1993 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Life Prediction Methodology for Titanium Matrix Composites by : W. Steven Johnson
Download or read book Life Prediction Methodology for Titanium Matrix Composites written by W. Steven Johnson and published by ASTM International. This book was released on 1996 with total page 625 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers presented at the March 1994 symposium are organized into five sections that progress from basic understanding of mechanical damage mechanisms and environmental effects to life prediction methodology. Five papers discuss the interplay between interfacial strength, residual thermal stresses, an
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
