C204 直流電位差法を用いたステンレス鋼平板表面に存在する応力腐食割れの検知(亀裂の検査・モニタリング技術-(1),OS5 保全・設備診断技術),動力エネルギーシステム部門20周年,次の20年への新展開)

概要

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In order to examine the applicability of the direct-current potential difference method to detection of stress corrosion cracking, the potential difference was measured on the surface of stainless steel plates with simulated cracking. Potential difference was measured near the cracking and at the points distant from the crack to evaluate the degree of increase in the potential difference by the crack. The potential difference near the cracking area was higher than that in the other area. The normalized potential difference, which is the ratio of potential difference near the cracking to that far from the area, was 1.03 to 1.50. The result suggests that stress corrosion cracking was able to be detected by direct-current potential difference method.
一般社団法人日本機械学会の論文
2010-06-20