Transactions of the Japan Society of Mechanical Engineers Series A
Online ISSN : 1884-8338
Print ISSN : 0387-5008
Fracture Analysis of Whisker-Reinforced Aluminum Alloys : 2nd Report, Study on the Effect of Nonuniform Distribution of Whisker Fibers
Mamtimin GeniMasanori KikuchiKazumi Hirano
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1995 Volume 61 Issue 581 Pages 45-51

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Abstract

The fracture process of a whisker-reinforced aluminum alloy is simulated by the finite-element analysis using Gurson's model as a constitutive equation. The results show that the dimple fracture process after a large amount of plastic deformation is well simulated. It is found that the local nonuniform distribution of whisker fiber has a large effect on the quantitative evaluation. Its effect is studied by changing the whisker location and whisker fiber volume fraction on nonuniform models. The constraint effect and the effect of the debonding between the matrix and the whisker fiber are also considered.

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