HIGH TEMPERATURE DEFORMATION OF 001 Cu-Al2O3 ALLOY SINGLE CRYSTALS.

Jun Takada, Shin ya Miyawaki, Kazuo Kamata, Masao Adachi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The alloys have been tested in tension at temperatures between 823 and 923 K and at initial strain rates between 10** minus **5 and 10** minus **3 S** minus **1. Steady-state deformation is realized at small amounts of deformation. The strain rate is represented as a power of stress normalized by the Young's modulus. Values of the stress exponent and the activation energy for high temperature deformation are 7-9 and about 196 kJ multiplied by (times) mol** minus **1, respectively. The latter is close to that for self-diffusion in copper. The applied stress mainly consists of the internal stress. These results suggest that high temperature deformation is controlled by a recovery process.

Original languageEnglish
Pages (from-to)166-174
Number of pages9
JournalNippon Kinzoku Gakkai-si
Volume47
Issue number2
Publication statusPublished - Jan 1 1983

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

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    Takada, J., Miyawaki, S. Y., Kamata, K., & Adachi, M. (1983). HIGH TEMPERATURE DEFORMATION OF 001 Cu-Al2O3 ALLOY SINGLE CRYSTALS. Nippon Kinzoku Gakkai-si, 47(2), 166-174.