Mechanical properties of austenitic stainless steel single crystals: Influence of nitrogen and hydrogen content

被引：0
|
作者：
Y. Rigual Sucre
J. B. Vogt
A. Iost
D. Najjar
Y. I. Chumlyakov
机构：
[1] Lille University,the Laboratory of Physical Metallurgy and Material Engineering
[2] CNRS UMR 8517,undefined
[3] Lille Research Centre of Ecole Nationale Superieure d’Arts et Metiers,undefined
[4] the Siberian Physical Technical Institute,undefined
来源：
Metallurgical and Materials Transactions A | 2000年 / 31卷
关键词：
Residual Stress; Material Transaction; Austenitic Stainless Steel; Slip Line; Nitrogen Addition;
D O I：
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摘要：
The effect of cathodically charged hydrogen in austenitic stainless steels with or without nitrogen addition was studied by microhardness experiments carried out on single crystals. With our experimental conditions, it can be demonstrated that hydrogen penetration depth is near 25 µm and induced a higher apparent hardness. In fact, the hardness improvement is mainly a consequence of the residual stresses induced by hydrogen diffusion. By studying the variation of hardness with the reciprocal length of the indentation print obtained with load varying between 0.5 and 200 N, it was observed that the slope (VHN vs 1/d) only depends on the aging time.
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页码：153 / 161
页数：8
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