Title

Influence of hot rolling on the deformation behavior of particle reinforced aluminum metal matrix composite

Authors

Authors

B. McWilliams; T. Sano; J. Yu; A. Gordon;C. Yen

Comments

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Abbreviated Journal Title

Mater. Sci. Eng. A-Struct. Mater. Prop. Microstruct. Process.

Keywords

Composites; Thermomechanical processing; Finite element method; Micromechanics; IMAGE CORRELATION PHOTOGRAMMETRY; FIELD DYNAMIC DISPLACEMENT; A359; ALUMINUM; MECHANICAL-PROPERTIES; PLASTIC-DEFORMATION; DAMAGE; STRAIN; FRACTURE; FAILURE; ALLOY; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering

Abstract

This paper presents the development of a microstructure based finite element model to predict the effective mechanical response and study the failure mechanisms of a particulate metal matrix composite (MMC) which explicitly accounts for changes in microstructure due to thermo-mechanical processing from the as-cast to rolled states. Experimental testing including macro-scale tension, in-situ SEM microscale tension, and nano-indentation were used to characterize the deformation behavior and active failure mechanisms. It was found that the damage mechanism transitions from being dominated by void nucleation and growth in the matrix in the as-cast state to interfacial decohesion and particle fracture in the rolled material. The numerical model is used to quantify the contribution of interfacial decohesion and particle fracture damage mechanisms to the local and global continuum response of a hot rolled A359/pSiC MMC. (C) 2013 Elsevier B.V. All rights reserved.

Journal Title

Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing

Volume

577

Publication Date

1-1-2013

Document Type

Article

Language

English

First Page

54

Last Page

63

WOS Identifier

WOS:000320837500009

ISSN

0921-5093

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