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On the Relationship Between Grain Boundary Sliding and Intragranular Slip During Superplastic Deformation

  • A. D. Sheikh-Ali (a1) (a2), J. A. Szpunar (a2) and H. Garmestani (a1)

Abstract

This paper examines grain boundary sliding under the conditions of plastic strain incompatibility that is the most frequent case in polycrystalline materials. Two components of grain boundary sliding: dependent and independent on intragranular slip are distinguished. Theoretical estimate of a ratio between slip induced sliding and intragranular slip is obtained. It is concluded that slip and sliding are rather independent than interrelated processes.

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On the Relationship Between Grain Boundary Sliding and Intragranular Slip During Superplastic Deformation

  • A. D. Sheikh-Ali (a1) (a2), J. A. Szpunar (a2) and H. Garmestani (a1)

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