Finite element modelling of discontinuously reinforced metal matrix composites PDF Download
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Author: Emmerich Weissenbek
Publisher:
ISBN: 9783183164189
Category :
Languages : de
Pages : 120
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Author: Emmerich Weissenbek
Publisher:
ISBN: 9783183164189
Category :
Languages : de
Pages : 120
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Book Description
Author: Surasak Suranuntchai
Publisher:
ISBN:
Category :
Languages : en
Pages : 291
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Author: Kendall Gennick
Publisher:
ISBN: 9781423580065
Category : Finite element method
Languages : en
Pages : 141
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Book Description
During the consolidation phase, reinforcement particles of Metal Matrix Composites (MMC's) tend to be non uniformly distributed. The result is that the material properties of the composite materials are not as good as those originally desired. Through large amounts of straining, homogeneity can be achieved. Finite element models of MMC's undergoing different thermomechanical processes (TMP's) to true strains of approximately 1.2 were generated. The models consist of particle clusters within the particle-depleted matrix. The particle clusters were modeled by either a smeared model in which the particles refine the grains in the cluster, or a discrete model of the particles within clusters. The smeared and discrete models qualitatively agreed with each other. The results suggest that the best TMP to reach a state of reinforcement particle homogeneity was a hot worked, low strain rate TMP.
Author: Praveen G. Shankaranarayana
Publisher:
ISBN:
Category : Finite element method
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 40
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781721015894
Category :
Languages : en
Pages : 38
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The paper begins with a short overview of the recent work done in the field of discontinuous reinforced composites, focusing on the different parameters which influence the material behavior of discontinuous reinforced composites, as well as the various analysis approaches undertaken. Based on this overview it became evident that in order to investigate the enumerated effects in an efficient and comprehensive manner, an alternative approach to the computationally intensive finite-element based micromechanics approach is required. Therefore, an investigation is conducted to demonstrate the utility of utilizing the generalized method of cells (GMC), a semi-analytical micromechanics-based approach, to simulate the elastic and elastoplastic material behavior of aligned short fiber composites. The results are compared with simulations using other micromechanical based mean field models and finite element (FE) unit cell models found in the literature given elastic material behavior, as well as finite element unit cell and a new semianalytical elastoplastic shear lag model in the inelastic range. GMC is shown to definitely have a window of applicability when simulating discontinuously reinforced composite material behavior.Pahr, D. H. and Arnold, S. M.Glenn Research CenterFIBER COMPOSITES; FINITE ELEMENT METHOD; MICROMECHANICS; REINFORCED PLASTICS; METAL MATRIX COMPOSITES; ELASTOPLASTICITY; COMPUTERIZED SIMULATION
Author: F L Matthews
Publisher: Elsevier
ISBN: 1855738929
Category : Technology & Engineering
Languages : en
Pages : 225
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Finite element modelling of composite materials and structures provides an introduction to a technique which is increasingly being used as an analytical tool for composite materials.The text is presented in four parts: - Part one sets the scene and reviews the fundamentals of composite materials together with the basic nature of FRP and its constituents. Two-dimensional stress-strain is covered, as is laminated plated theory and its limitations. - Part two reviews the basic principles of FE analysis, starting with underlying theoretical issues and going on to show how elements are derived, a model is generated and results are processed. - Part three builds on the basics of FE analysis and considers the particular issues that arise in applying finite elements to composites, especially to the layered nature of the material. - Part four deals with the application of FE to FRP composites, presenting analytical models alongside FE representations. Specific issues addressed include interlaminar stresses, fracture delamination, joints and fatigue.This book is invaluable for students of materials science and engineering, and for engineers and others wishing to expand their knowledge of structural analysis. - Covers important work on finite element analysis of composite material performance - Based on material developed for an MSc course at Imperial College, London, UK - Covers particular problems such as holes, free edges with FE results compared with experimental data and classical analysis
Author: Preston Scarber
Publisher:
ISBN:
Category : Finite element method
Languages : en
Pages : 344
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Book Description
Author: C. R. Ananthanarayanan
Publisher:
ISBN:
Category : Metallic composites
Languages : en
Pages : 214
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Author: John Dung Ninh
Publisher:
ISBN:
Category : Ceramic-matrix composites
Languages : en
Pages : 162
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