Creep behaviour of a 25wt % Cr-20wt % Ni austenitic stainless steel doped with antimony期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Creep behaviour of a 25wt % Cr-20wt % Ni austenitic stainless steel doped with antimony

Authors:	T. Yamane N. Genma Y. Takahashi

Affiliation:	(1) Department of Materials Science and Engineering, Osaka University, 565 Suita, Japan;(2) Department of Welding Engineering, Osaka University, 565 Suita, Japan

Abstract:	The effect of antimony on the steady state creep rates, $dot in _{text{S}}$ , of a 25 wt% Cr-20wt% Ni austenitic stainless steel with 0.005 wt % C is studied. The effect on vacancy viscous creep (Coble creep) is shown to be different to that on dislocation creep (power law creep). The effect on Coble creep is particularly striking. The threshold stress is significantly increased by antimony additions.

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