Mechanical Characterization And Modeling Of Non Linear Deformation And Fracture Of A Fiber Reinforced Metal Matrix Composite
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Author | : National Aeronautics and Space Adm Nasa |
Publisher | : Independently Published |
Total Pages | : 52 |
Release | : 2018-10-29 |
Genre | : |
ISBN | : 9781729338537 |
Download Mechanical Characterization and Modeling of Non-Linear Deformation and Fracture of a Fiber Reinforced Metal Matrix Composite Book in PDF, Epub and Kindle
The nonlinear anisotropic mechanical behavior of an aluminum alloy metal matrix composite reinforced with continuous alumina fibers was determined experimentally. The mechanical behavior of the composite were modeled by assuming that the composite has a periodical microstructure. The resulting unit cell problem was solved with the finite element method. Excellent agreement was found between theoretically predicted and measured stress-strain responses for various tensile and shear loadings. The stress-strain responses for transverse and inplane shear were found to be identical and this will provide a simplification of the constitutive equations for the composite. The composite has a very low ductility in transverse tension and a limited ductility in transverse shear that was correlated to high hydrostatic stresses that develop in the matrix. The shape of the initial yield surface was calculated and good agreement was found between the calculated shape and the experimentally determined shape. Jansson, S. Unspecified Center NAG3-894; RTOP 510-01-50...
Author | : Walter G. Reuter |
Publisher | : ASTM International |
Total Pages | : 842 |
Release | : 1995 |
Genre | : Aluminum alloys |
ISBN | : 0803119968 |
Download Fracture Mechanics Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 602 |
Release | : 1995 |
Genre | : Aeronautics |
ISBN | : |
Download Scientific and Technical Aerospace Reports Book in PDF, Epub and Kindle
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.
Author | : |
Publisher | : |
Total Pages | : 400 |
Release | : 1948 |
Genre | : Mechanics, Applied |
ISBN | : |
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Author | : Pedro P. Camanho |
Publisher | : Springer Science & Business Media |
Total Pages | : 321 |
Release | : 2008-06-20 |
Genre | : Technology & Engineering |
ISBN | : 1402085842 |
Download Mechanical Response of Composites Book in PDF, Epub and Kindle
Themethodologyfordesigninghigh-performancecompositestructuresisstill evo- ing. The complexity of the response of composite materials and the dif?culties in predicting the composite material properties from the basic properties of the c- stituents result in the need for a well-planned and exhaustive test program. The recommended practice to mitigate the technological risks associated with advanced composite materials is to substantiate the performance and durability of the design in a sequence of steps known as the Building Block Approach. The Building Block Approach ensures that cost and performance objectives are met by testing greater numbers of smaller, less expensive specimens. In this way, technology risks are assessed early in the program. In addition, the knowledge acquired at a given level of structural complexity is built up before progressing to a level of increased complexity. Achieving substantiation of structural performance by testing alone can be p- hibitively expensive because of the number of specimens and components required to characterize all material systems, loading scenarios and boundary conditions. Building Block Approachprogramscan achieve signi?cant cost reductionsby se- ing a synergy between testing and analysis. The more the development relies on analysis, the less expensive it becomes. The use of advanced computational models for the prediction of the mechanical response of composite structures can replace some of the mechanical tests and can signi?cantly reduce the cost of designing with composites while providing to the engineers the information necessary to achieve an optimized design.
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Total Pages | : |
Release | : 1994 |
Genre | : Government publications |
ISBN | : |
Download Monthly Catalog of United States Government Publications Book in PDF, Epub and Kindle
Author | : George Voyiadjis |
Publisher | : Elsevier |
Total Pages | : 358 |
Release | : 2017-05-04 |
Genre | : Technology & Engineering |
ISBN | : 1483290441 |
Download Inelasticity and Micromechanics of Metal Matrix Composites Book in PDF, Epub and Kindle
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.
Author | : Rui Miranda Guedes |
Publisher | : Elsevier |
Total Pages | : 605 |
Release | : 2010-11-29 |
Genre | : Technology & Engineering |
ISBN | : 0857090437 |
Download Creep and Fatigue in Polymer Matrix Composites Book in PDF, Epub and Kindle
Creep is the tendency of materials to deform when subjected to long-term stress, particularly when exposed to heat. Fatigue phenomena occur when a material is subjected to cyclic loading, causing damage which may progress to failure. Both are critical factors in the long-term performance and reliability of materials such as polymer matrix composites which are often exposed to these types of stress in civil engineering and other applications. This important book reviews the latest research in modelling and predicting creep and fatigue in polymer matrix composites. The first part of the book reviews the modelling of viscoelastic and viscoplastic behaviour as a way of predicting performance and service life. Part two discusses techniques for modelling creep rupture and failure. The final part of the book discusses ways of testing and predicting long-term creep and fatigue in polymer matrix composites. With its distinguished editor and international team of contributors, Creep and Fatigue in Polymer Matrix Composites is a standard reference for all those researching and using polymer matrix composites in such areas as civil engineering. Reviews the latest research in modelling and predicting creep and fatigue in polymer matrix composites A specific focus on viscoelestic and viscoplastic modelling features the time-temperature-age superposition principle for predicting long-term response Creep rupture and damage interaction is examined with particular focus on time-dependent failure criteria for lifetime prediction of polymer matrix composite structures illustrated using experimental cases
Author | : |
Publisher | : |
Total Pages | : 230 |
Release | : 1988 |
Genre | : Aeronautics |
ISBN | : |
Download NASA Technical Memorandum Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 232 |
Release | : 1988 |
Genre | : Engines |
ISBN | : |
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