✦ LIBER ✦

Microvoid multistage nucleating model and its application in analyses of micro damage and fracture

✍ Scribed by Keshi Zhang; Changqing Zheng

Publisher: Elsevier Science
Year: 1990
Tongue: English
Weight: 793 KB
Volume: 37
Category: Article
ISSN: 0013-7944
DOI: 10.1016/0013-7944(90)90384-s

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✦ Synopsis

AWraet-In this paper, a mechanical model of micro void multistage nucleation is suggested for ~~~ damage and fracture of metallic material undet large ~ti~~~ defo~tion. Using this model, the analyses of micro damage and fracture for various axisymmetric tensile specimens and for TPB and CCP cracked specimens have been carried out. The results from these analyses on damage development and fracture are in good agreement with the experimental ones for axisymmetric specimens, and from microscopic view point are reasonable for cracked specimens.

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