Development Of Al2O3/Cu Functionally Gradient Material Based On
Residual Stress Analysis
Author(s)
M. Aral & U. Iwata
Abstract
Development of A^Og/Cu functionally
gradient material based on residual stress
analysis
M. Aral & U. Iwata
AWermk .9c%e?%ce De
Electric Power Industry, Japan.
Abstract
In this study, A^Og/Cu functionally graded material (FGM) was
tried to fabricate based on the optimum functionally compositional
profile obtained by a numerical analysis. Obtained results in this
study are summarized as follows. (1) Residual stress fields arised
by the fabrication were analyzed by a finite element analysis based
on an actual process. From some analysis results, it was found that
the residual stress is reduced by fabricating the functionally graded
material with thinner ceramic layer than metal layer. (2) FGM frac-
ture map, which includes crack initiation criterion obtained from the
bending strength of A^Oa/Cu composite materials, was proposed.
The optimum functionally compositional profile can be found easily
by using this map. (3) It was shown that a functionally graded ma-
terials with no cra
Keywords
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