G030014 渦電流法によるオーステナイト系ステンレス鋼のひずみ検出([G03001]材料力学部門一般セッション(1):非破壊検査)

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概要

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• This study examined a method on non-destructive detection of the strain of SUS304 and SUS316, which are austenite stainless steel. Eddy current method was employed to detect strain. Four specimens were prepared for SUS304 and SUS316 respectively. The plastic strain of 1, 5, 10, and 16% were applied to the specimens by using a tensile testing equipment. The eddy current signals on the center of the specimens were measured with an eddy current flaw detector. The eddy current signals were determined by difference on the detector output of the specimen without strain and the strain applied specimen. Specimen without strain and the strain applied specimen. Specimen with larger plastic strain showed larger eddy current signals. SUS316 indicated smaller value on the eddy current signal than that of SUS304. Eddy current signals and plastic strain of the specimens showed a linear relation. The relation can be used to estimate the plastic strain by eddy current signal.

• 一般社団法人日本機械学会の論文
• 2011-09-11

著者

• 堀川 紀孝

  旭川工業高等専門学校

• 間 翔平

  旭川工業高等専門学校生産システム工学専攻

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• G030014 渦電流法によるオーステナイト系ステンレス鋼のひずみ検出([G03001]材料力学部門一般セッション(1):非破壊検査)

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