Comparison of Some Micromechanics Models for Discontinuously Reinforced Metal Matrix Composites PDF Download
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Author: WS. Johnson
Publisher:
ISBN:
Category : Aluminum matrix
Languages : en
Pages : 7
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Book Description
A systematic experimental evaluation of whisker- and particulate-reinforced aluminum matrix composites was conducted to assess the variation in tensile properties with reinforcement type, volume fraction, and specimen thickness. Each material was evaluated in three thicknesses, 1.8, 3.18, and 6.35 mm, to determine the size, distribution, and orientation of the reinforcements. This information was used to evaluate several micromechanics models that predict composite moduli. The longitudinal and transverse moduli were predicted for 15 volume percent (v/%) SiCp-reinforced aluminum and for 15 and 30 v/% SiCw-reinforced aluminum. The Paul, Cox, and Halpin-Tsai models were evaluated.
Author: WS. Johnson
Publisher:
ISBN:
Category : Aluminum matrix
Languages : en
Pages : 7
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Book Description
A systematic experimental evaluation of whisker- and particulate-reinforced aluminum matrix composites was conducted to assess the variation in tensile properties with reinforcement type, volume fraction, and specimen thickness. Each material was evaluated in three thicknesses, 1.8, 3.18, and 6.35 mm, to determine the size, distribution, and orientation of the reinforcements. This information was used to evaluate several micromechanics models that predict composite moduli. The longitudinal and transverse moduli were predicted for 15 volume percent (v/%) SiCp-reinforced aluminum and for 15 and 30 v/% SiCw-reinforced aluminum. The Paul, Cox, and Halpin-Tsai models were evaluated.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 36
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Book Description
Author: George Voyiadjis
Publisher: Elsevier
ISBN: 1483290441
Category : Technology & Engineering
Languages : en
Pages : 358
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Book Description
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: Lizhi Sun
Publisher:
ISBN:
Category :
Languages : en
Pages : 364
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Book Description
Author: Subra Suresh
Publisher: Elsevier
ISBN: 0080523714
Category : Technology & Engineering
Languages : en
Pages : 353
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Book Description
`Metal-Matrix Composites' are being used or considered for use in a variety of applications in the automotive, aerospace and sporting goods industries. This book contains sixteen chapters, all written by leading experts in the filed, which focus on the processing, microstructure and characterization, mechanics and micromechanics of deformation, mechanics and micromechanics of damage and fracture, and practical applications of a wide variety of metal composites.A particularly noteworthy feature of this authoritative volume is its collection of state-of-the-art reviews of the relationships among processing, microstructural evolution, micromechanics of deformation and overall mechanical response.
Author: C. T. Sun
Publisher: CRC Press
ISBN: 0849315018
Category : Technology & Engineering
Languages : en
Pages : 1685
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Book Description
Author:
Publisher:
ISBN:
Category : Mechanics, Applied
Languages : en
Pages : 338
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Book Description
Author: National Aeronautics and Space Adm Nasa
Publisher: Independently Published
ISBN: 9781792858550
Category :
Languages : en
Pages : 38
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Book Description
A set of micromechanics equations for the analysis of particulate reinforced composites is developed using the mechanics of materials approach. Simplified equations are used to compute homogenized or equivalent thermal and mechanical properties of particulate reinforced composites in terms of the properties of the constituent materials. The microstress equations are also presented here to decompose the applied stresses on the overall composite to the microstresses in the constituent materials. The properties of a 'generic' particulate composite as well as those of a particle reinforced metal matrix composite are predicted and compared with other theories as well as some experimental data. The micromechanics predictions are in excellent agreement with the measured values. Murthy, Pappu L. N. and Goldberg, Robert K. and Mital, Subodh K. Glenn Research Center NASA-TM-107276, NAS 1.15:107276, E-10344 NAG3-1264; RTOP 243-30-0A...
Author: National Aeronautics and Space Adm Nasa
Publisher: Independently Published
ISBN: 9781723766695
Category : Science
Languages : en
Pages : 40
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Book Description
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: P.K. Mallick
Publisher: CRC Press
ISBN: 9780824790318
Category : Technology & Engineering
Languages : en
Pages : 588
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Book Description
Maintaining the interdisciplinary perspective of the first edition, this reference and text provides comprehensive discussions of all aspects of fiber-reinforced composites, including materials, mechanics, properties, test methods, manufacturing and design. Written from a conceptual point of view and emphasizing fundamentals, the second edition of Fiber Reinforced Composites offers updated and expanded sections including: fibers and matrix, including thermoplastic matrices; discontinuous fibers and laminated structures; static mechanical properties, fatigue properties and damage tolerance; resin flow, bag molding, filament winding and resin transfer molding; and environmental effects.
