A Macro Micromechanics Analysis Of A Notched Metal Matrix Composite
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A Macro Micromechanics Analysis Of A Notched Metal Matrix Composite
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Author : National Aeronautics and Space Adm Nasa
language : en
Publisher: Independently Published
Release Date : 2018-10-21
A Macro Micromechanics Analysis Of A Notched Metal Matrix Composite written by National Aeronautics and Space Adm Nasa and has been published by Independently Published this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-21 with Science categories.
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...
A Macro Micromechanics Analysis Of A Notched Metal Matrix Composite
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Author :
language : en
Publisher:
Release Date : 1990
A Macro Micromechanics Analysis Of A Notched Metal Matrix Composite written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.
A Micromechanics Based Strength Prediction Methodology For Notched Metal Matrix Composites
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Author :
language : en
Publisher:
Release Date : 1992
A Micromechanics Based Strength Prediction Methodology For Notched Metal Matrix Composites written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
Composite Materials
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Author : Glenn C. Grimes
language : en
Publisher: ASTM International
Release Date : 1992
Composite Materials written by Glenn C. Grimes and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Composite materials categories.
Annotation In papers presented at the Tenth ASTM Conference on Composite Materials, held in San Francisco, April 1990, important composite materials technical issues are discussed in eight sections: compression test methodology analysis and development; general test methodology analysis and development; material mechanical properties and failure criteria; advanced materials analysis and test; analysis, test, and certification of structure; quality assurance and process control; interlaminar fracture analysis and test; and damage, flows, and repair. Member price, $95. Annotation copyrighted by Book News, Inc., Portland, OR.
Inelasticity And Micromechanics Of Metal Matrix Composites
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Author : George Voyiadjis
language : en
Publisher: Elsevier
Release Date : 2017-05-04
Inelasticity And Micromechanics Of Metal Matrix Composites written by George Voyiadjis and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-04 with Technology & Engineering categories.
This book contains fifteen papers based on the presentations made at the symposium on "Inelasticity and Micromechanics of Metal Matrix Composites" held at the University of Washington, USA, in mid-1994. The papers represent the most recent work conducted on inelasticity and micromechanics of metal matrix composites. The book is divided into two parts: Part I deals with the study of inelastic deformation in metal matrix composites, while Part II tackles the micromechanical aspects of metal matrix composites. The articles discuss different aspects of these two topics ranging from purely theoretical treatments to extensive experimental investigations. Many of the papers are by prominent researchers working in this area.
Micromechanics And Nanosimulation Of Metals And Composites
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Author : Siegfried Schmauder
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-10-20
Micromechanics And Nanosimulation Of Metals And Composites written by Siegfried Schmauder and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-10-20 with Technology & Engineering categories.
The strength of metallic materials determines the usability and reliability of all the machines, tools and equipment around us. Yet, the question about which mechanisms control the strength and damage resistance of materials and how they can be optimised remains largely unanswered. How do real, heterogeneous ma- rials deform and fail? Why can a small modification of the microstructure increase the strength and damage resistance of materials manifold? How can the strength of heterogeneous materials be predicted? The purpose of this book is to present different experimental and computational analysis methods of micromechanics of damage and strength of materials and to demonstrate their applications to various micromechanical problems. This book summarizes at a glance some of the publications of the Computational Mechanics Group at the IMWF/MPA Stuttgart, dealing with atomistic, micro- and meso- chanical modelling and experimental analysis of strength and damage of metallic materials. In chapter 1, the micromechanisms of damage and fracture in different groups of materials are investigated experimentally, using direct observations and inverse analysis. The interaction of microstructural elements with the evolving damage is studied in these experiments. Chapter 2 presents different approaches to the - cromechanical simulation of composite materials: embedded unit cells, multiphase finite elements and multiparticle unit cells. Examples of the application of these models to the analysis of deformation and damage in different materials are given. Chapter 3 deals with the methods of numerical modelling of damage evolution and crack growth in heterogeneous materials.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Fracture Mechanics
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Author : Ravinder Chona
language : en
Publisher: ASTM International
Release Date : 1993
Fracture Mechanics written by Ravinder Chona and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Electronic book categories.
The proceedings of the 23rd National Symposium on Fracture Mechanics, held in College Station, Texas, June 1991, present a broad overview of the current state of the art in fracture mechanics research. Following the Swerdlow Lecture (Structural Problems in Search of Fracture Mechanics Solutions by
Effect Of Fiber Matrix Debonding On Notched Strength Of Titanium Metal Matrix Composites
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Author :
language : en
Publisher:
Release Date : 1991
Effect Of Fiber Matrix Debonding On Notched Strength Of Titanium Metal Matrix Composites written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with categories.
Analysis Of Notched Metal Matrix Composites Under Tension Loading
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Author :
language : en
Publisher:
Release Date : 1988
Analysis Of Notched Metal Matrix Composites Under Tension Loading written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with categories.