A Pore Response Function Method for Quantitative Evaluation of Hydrogen Attack in Steels
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概要
- 論文の詳細を見る
In a former report, the authors introduced a stochastic theory of propagation of elastic waves in porous solids, and proposed a pore response function method for nondestructive pore characterization. This study was carried out to examine the applicability of this method to quantitative detection of hydrogen attack in steels. Preparing some samples of high-carbon steel with different hydrogen exposure times, the effect of the texture damage on elastic waves was investigated. After clarifying the propagation mechanism of ultrasounds in hydrogen-attacked steel, we presented a nondestructive technique with a pore response function method for evaluating both the size and area fraction of microcracks produced by the hydrogen attack.
- 一般社団法人日本機械学会の論文
- 1992-10-15
著者
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山本 茂之
産業技術総合研究所 基礎素材研究部門
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YAMAMOTO Shigeyuki
Government Industrial Research Institute, Chugoku
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Yamamoto S
Government Industrial Research Institute
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Yamamoto Shigeyuki
Government Industrial Research Institute
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TAKATSUBO Junji
Government Industrial Research Institute
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Takatsubo J
National Inst. Advanced Industrial Sci. And Technol. (aist)
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