オーステナイト系ステンレス鋼の高ひずみ速度による微視的残留応力


英字タイトル:
微視的残留力 Residual Microstress in Austenitic Stainless Steel due to High Strain Rate
著者:
鈴木 賢治 Kenji SUZUKI 菖蒲 敬久 Takahisa SHOBU
発刊日:
公開日:
カテゴリ: 第7回
キーワードタグ:

概要

Austenitic stainless steel (SUS316L) was used as the specimen material. The specimens were deformed plastically with a wide range (6.7 x 10-5 ~ 670 s-1). The residual micro-stresses were measured using hard synchrotron X-ray. The residual micro-stress for each lattic e plane was arranged with Young's modulus, which was calculated by Kroner model. In the high strain rate, the change of the residual m icro-stress became small. The residual micro-stresses peened with laser and water-jet were examined as well as the tensile specimens.


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