SCC Growth Behavior of Surface Cracked Specimens in High Temperature Water(EAC2)

概要

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In this paper, Stress Corrosion Cracking (SCC) surface crack behavior of sensitized SUS304 in low K region in high temperature water was evaluated under triangular and trapezoidal wave forms, using surface cracked specimens. Besides, as a reference, through thickness crack behavior was also evaluated under trapezoidal wave forms. The experimental results indicated fairly fast crack growth rates both in lower K region below 10MPam^<0.5> and in higher K region above 15MPam^<0.5>. Based on these experimental results, differences and similarities between the surface crack behavior and the through-thickness crack behavior are discussed. Also the results obtained from this study are compared with the theoretical SCC prediction model proposed by Shoji et al.
一般社団法人日本機械学会の論文
2001-10-20