Investigation Of Damage Mechanisms In A Cross Ply Metal Matrix Composite Under Thermo Mechanical Loading

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Investigation of Damage Mechanisms in A Cross-Ply Metal Matrix Composite Under Thermo-Mechanical Loading

Author : Joel J. Schubbe
Publisher :
ISBN 13 :
Total Pages : 163 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Investigation of Damage Mechanisms in A Cross-Ply Metal Matrix Composite Under Thermo-Mechanical Loading by : Joel J. Schubbe

Download or read book Investigation of Damage Mechanisms in A Cross-Ply Metal Matrix Composite Under Thermo-Mechanical Loading written by Joel J. Schubbe and published by . This book was released on 1990 with total page 163 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal matrix composites (MMCs) are rapidly becoming strong candidates for high temperature and high stiffness structural applications such as the Advanced Tactical Fighter (ATF). This study systematically investigated the failure modes and associated damage in a cross-ply, (0/90)2s SCS6/Ti-15-3 metal matrix composite under in-phase and out-of-phase thermomechanic fatigue. Initiation and progression of fatigue damage were recorded and correlated to changes in Young's Modulus of the composite material. Experimental results show an internal stabilization of reaction zone size but degradation and separation from constituent materials under extended cyclic thermal loading. Critical to damage were transverse cracks initiating in the 90 degrees plies, growing and coalescing from fiber/matrix interfaces internal to the specimen, progressing outward through the 0 degree plies before failure. Maximum mechanical strain at failure was determined to be approximately 0.0075 mm/mm. A correlation was made relating maximum matrix stress to failure life, resulting in a fatigue threshold limit of 280 MPa. An attempt was made to correlate the degradation in Young's Modulus (Damage=1-E/Eo) with the applied life cycles from different TMF tests.

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.:/5 (31 download)

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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:

Fatigue Behavior of a Cross-Ply Metal Matrix Composite at Elevated Temperature Under Strain Controlled Mode

Author :
Publisher :
ISBN 13 :
Total Pages : 127 pages
Book Rating : 4.:/5 (227 download)

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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.

Failure Mode and Effects Analysis (FMEA)

Author :
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Failure Mode and Effects Analysis (FMEA) by :

Download or read book Failure Mode and Effects Analysis (FMEA) written by and published by . This book was released on 2000 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fatigue under Thermal and Mechanical Loading: Mechanisms, Mechanics and Modelling

Author : J. Bressers
Publisher : Springer Science & Business Media
ISBN 13 : 9401586365
Total Pages : 497 pages
Book Rating : 4.4/5 (15 download)

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Book Synopsis Fatigue under Thermal and Mechanical Loading: Mechanisms, Mechanics and Modelling by : J. Bressers

Download or read book Fatigue under Thermal and Mechanical Loading: Mechanisms, Mechanics and Modelling written by J. Bressers and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Symposium "Fatigue under Thermal and Mechanical Loading", held at Petten (The Netherlands) on May 22-24, 1995, was jointly organized by the Institute for Advanced Materials of The Joint Research Centre, E. C. , and by the Societe Fran~se de Metallurgie et de Materiaux. The fast heating and cooling cycles experienced by many high temperature components cause thermally induced stresses, which often operate in combination with mechanical loads. The resulting thermal / mechanical fatigue cycle leads to material degradation mechanisms and failure modes typical of service cycles. The growing awareness that the synergism between the combined thermal and mechanical loads can not be reproduced by means of isothermal tests, has resulted in an increasing interest in thermal and thermo-mechanical fatigue testing. This trend has been reinforced by the constant pull by industry for more performant, yet safer high temperature systems, pushing the materials to the limit of their properties. Dedicated ASTM meetings in particular have set the scene for this area of research. The proceedings of the symposium organized by D. A. Spera and D. F. Mowbray in 1975 provided a reference book on thermal fatigue which reflects the knowledge and experimental capabilities of the mid-seventies.

In-Phase Thermomechanical Fatigue of Metal Matrix Composites

Author : BS. Majumdar
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (125 download)

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Book Synopsis In-Phase Thermomechanical Fatigue of Metal Matrix Composites by : BS. Majumdar

Download or read book In-Phase Thermomechanical Fatigue of Metal Matrix Composites written by BS. Majumdar and published by . This book was released on 1996 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation was undertaken to characterize the deformation response of unidirectional SCS-6/Ti 15-3 metal matrix composite (MMC) lamina subjected to in-phase thermomechanical fatigue (TMF) loading. Evaluations were done in an inert atmosphere to avoid oxidation effects. It was found that the dominant effect on deformation was due to strain ratchetting. Distributed fiber cracking was found to be the primary damage mode in in-phase TMF. The early part of strain ratchetting was identified to be due to the viscoplastic response of the composite as fewer fiber cracks were found to develop at this stage in the MMC specimens. Early fiber cracks were found to occur near molybdenum (Mo) ribbon sites. The fiber-cracking process was determined to be progressive in nature. On qualitative grounds, the concept of fiber ineffective length and the zone of stress intensification at the neighboring fiber at temperature, as in the case of in-phase TMF, was consistent with the observation of progressive fiber cracking in the MMCs.

American Society of Composites, Tenth Technology Proceedings

Author : Amer Society Composi
Publisher : CRC Press
ISBN 13 : 9781566763769
Total Pages : 670 pages
Book Rating : 4.7/5 (637 download)

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Book Synopsis American Society of Composites, Tenth Technology Proceedings by : Amer Society Composi

Download or read book American Society of Composites, Tenth Technology Proceedings written by Amer Society Composi and published by CRC Press. This book was released on 1995-10-17 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conference proceedings from the American Society of Composites, Tenth Technology Proceedings: Composite Materials, Mechanics and Processing on October 18-20, 1995 at the Miramar Sheraton Hotel Santa Monica, California

Damage in Composite Materials

Author : K. L. Reifsnider
Publisher : ASTM International
ISBN 13 :
Total Pages : 286 pages
Book Rating : 4./5 ( download)

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Book Synopsis Damage in Composite Materials by : K. L. Reifsnider

Download or read book Damage in Composite Materials written by K. L. Reifsnider and published by ASTM International. This book was released on with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:

ICCS19 19th International Conference on Composite Structures

Author : Antonio J.M. Ferreira
Publisher : Società Editrice Esculapio
ISBN 13 : 8874889771
Total Pages : 212 pages
Book Rating : 4.8/5 (748 download)

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Book Synopsis ICCS19 19th International Conference on Composite Structures by : Antonio J.M. Ferreira

Download or read book ICCS19 19th International Conference on Composite Structures written by Antonio J.M. Ferreira and published by Società Editrice Esculapio. This book was released on 2016-08-01 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nowadays, it is quite easy to see various applications of fibrous composites, functionally graded materials, laminated composite, nano-structured reinforcement, morphing composites, in many engineering fields, such as aerospace, mechanical, naval and civil engineering. The increase in the use of composite structures in different engineering practices justify the present international meeting where researches from every part of the globe can share and discuss the recent advancements regarding the use of standard structural components within advanced applications such as buckling, vibrations, repair, reinforcements, concrete, composite laminated materials and more recent metamaterials. For this reason, the establishment of this 19th edition of International Conference on Composite Structures has appeared appropriate to continue what has been begun during the previous editions. ICCS wants to be an occasion for many researchers from each part of the globe to meet and discuss about the recent advancements regarding the use of composite structures, sandwich panels, nanotechnology, bio-composites, delamination and fracture, experimental methods, manufacturing and other countless topics that have filled many sessions during this conference. As a proof of this event, which has taken place in Porto (Portugal), selected plenary and keynote lectures have been collected in the present book.

Applied Mechanics Reviews

Author :
Publisher :
ISBN 13 :
Total Pages : 338 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Applied Mechanics Reviews by :

Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1987 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:

International Aerospace Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 974 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis International Aerospace Abstracts by :

Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 974 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government Reports Annual Index

Author :
Publisher :
ISBN 13 :
Total Pages : 1096 pages
Book Rating : 4.3/5 (243 download)

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Download or read book Government Reports Annual Index written by and published by . This book was released on 1991 with total page 1096 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Titanium Matrix Composites

Author : Shankar Mall
Publisher : CRC Press
ISBN 13 : 1000725472
Total Pages : 482 pages
Book Rating : 4.0/5 (7 download)

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Book Synopsis Titanium Matrix Composites by : Shankar Mall

Download or read book Titanium Matrix Composites written by Shankar Mall and published by CRC Press. This book was released on 2020-01-29 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: A review and summary of advancements related to mechanical behavior and related mechanics issues of titanium matrix composites (TMCs), a class of high-temperature materials useful in the propulsion and airframe components in advanced aerospace systems. After an introduction to TMCs, different authors review and summarise the advancements related to mechanical behavior and related mechanics issues of TMCs.

Advances in Fatigue Lifetime Predictive Techniques

Author : Michael R. Mitchell
Publisher : ASTM International
ISBN 13 : 080312029X
Total Pages : 354 pages
Book Rating : 4.8/5 (31 download)

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Book Synopsis Advances in Fatigue Lifetime Predictive Techniques by : Michael R. Mitchell

Download or read book Advances in Fatigue Lifetime Predictive Techniques written by Michael R. Mitchell and published by ASTM International. This book was released on 1996 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:

NASA Technical Memorandum

Author :
Publisher :
ISBN 13 :
Total Pages : 492 pages
Book Rating : 4.:/5 (319 download)

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Download or read book NASA Technical Memorandum written by and published by . This book was released on 1994 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Metals Abstracts Index

Author :
Publisher :
ISBN 13 :
Total Pages : 1622 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Metals Abstracts Index by :

Download or read book Metals Abstracts Index written by and published by . This book was released on 1996 with total page 1622 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Review of Progress in Quantitative Nondestructive Evaluation

Author : Donald O. Thompson
Publisher : Springer Science & Business Media
ISBN 13 : 1461547911
Total Pages : 2362 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Review of Progress in Quantitative Nondestructive Evaluation by : Donald O. Thompson

Download or read book Review of Progress in Quantitative Nondestructive Evaluation written by Donald O. Thompson and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 2362 pages. Available in PDF, EPUB and Kindle. Book excerpt: This authoritative and up-to-date series provides a comprehensive review of the latest research results in quantitative nondestructive evaluation (NDE). Leading investigators working in government agencies, major industries, and universities present a broad spectrum of work extending from basic research to early engineering applications.