Proceedings of the ASME Aerospace and Materials Divisions

Proceedings of the ASME Aerospace and Materials Divisions
Author: Wen S. Chan
Publisher:
Total Pages: 530
Release: 1996
Genre: Technology & Engineering
ISBN:

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Contains papers from the November 1996 congress, reflecting recent research in failure mechanisms and mechanism-based modelling in high temperature composites, and durability and damage tolerance of composites.

Inelasticity and Micromechanics of Metal Matrix Composites

Inelasticity and Micromechanics of Metal Matrix Composites
Author: George Voyiadjis
Publisher: Elsevier Health Sciences
Total Pages: 368
Release: 1994-12-07
Genre: Science
ISBN:

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This volume contains 15 papers which represent recent work conducted on inelasticity and micromechanics of metal matrix composites. The first part of the book covers the inelasticity of metal matrix composites and the second part the micromechanics of metal matrix composites.

Book of Abstracts

Book of Abstracts
Author:
Publisher:
Total Pages: 1022
Release: 1997
Genre: Materials
ISBN:

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A Macro-Micromechanics Analysis of a Notched Metal Matrix Composite

A Macro-Micromechanics Analysis of a Notched Metal Matrix Composite
Author: National Aeronautics and Space Adm Nasa
Publisher: Independently Published
Total Pages: 38
Release: 2018-10-21
Genre: Science
ISBN: 9781729055267

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A macro-micromechanics analysis was formulated to determine the matrix and fiber behavior near the notch tip in a center-notched metal matrix composite. Results are presented for a boron/aluminum monolayer. The macro-level analysis models the entire notched specimen using a three dimensional finite element program which uses the vanishing-fiber-diameter model to model the elastic-plastic behavior of the matrix and the elastic behavior of the fiber. The micro-behavior is analyzed using a Discrete Fiber-Matrix (DFM) model containing one fabric and the surrounding matrix. The dimensions of the DFM model were determined by the ply thickness and the fiber volume fraction and corresponded to the size of the notch-tip element in the macro-level analysis. The boundary conditions applied to the DFM model were determined from the macro-level analysis. Stress components within the DFM model were calculated and stress distributions are presented along selected planes and surfaces within the DFM model, including the fiber-matrix interface. Yielding in the matrix was examined at the notch tip in both the macro- and micro-level analyses. The DFM model predicted higher stresses (24 percent) in the fiber compared to the global analysis. In the notch-tip element, the interface stresses indicated that a multi-axial criterion may be required to predict interfacial failure. The DFM analysis predicted yielding to initiate in the notch-tip element at a stress level 28 percent lower than predicted by the global analysis. Bigelow, C. A. and Naik, R. A. Langley Research Center RTOP 505-63-01-05...

Advanced Materials

Advanced Materials
Author:
Publisher:
Total Pages: 292
Release: 1996
Genre: Technology & Engineering
ISBN:

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Comprising the proceedings of the International Mechanical Engineering Congress and Exposition held in Atlanta in November 1996, this volume contains contributions divided into the following headings: emerging materials technologies; advances in failure mechanisms in brittle materials; design and ma

Chemical Abstracts

Chemical Abstracts
Author:
Publisher:
Total Pages: 2540
Release: 2002
Genre: Chemistry
ISBN:

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