Finite Temperature Nanovoids Evolution in FCC Metals Using Quasicontinuum Method

Abstract:

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Tensile failure of metals often occurs through void nucleation, growth and coalescence. This work is concerned with the study of plastic nanovoid cavitation in face-centeredcubic (FCC) crystals at finite temperature. In particular, the Quasicontinuum (QC) method,suitably extended to finite temperatures, is taken as the basis for the analysis. We specificallyfocus on nanovoids in copper single crystals deforming in uniaxial and triaxial tension. Thecomplex structure of dislocations around the nanovoid and the evolution of stress, deformationand temperature of the sample is described in the present work.

Info:

Periodical:

Key Engineering Materials (Volumes 488-489)

Edited by:

Z. Tonković and M.H. Aliabadi

Pages:

387-390

DOI:

10.4028/www.scientific.net/KEM.488-489.387

Citation:

M. Ponga et al., "Finite Temperature Nanovoids Evolution in FCC Metals Using Quasicontinuum Method", Key Engineering Materials, Vols. 488-489, pp. 387-390, 2012

Online since:

September 2011

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Price:

$35.00

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