Stress Corrosion Cracking of Ni-Base Alloy 600 in Pressurized High Temperature Water

Tetsuo Shoji, Ken Ichi Yoshida, Satoshi Mori

Research output: Contribution to journalArticle

Abstract

In order to make quantitative assessment of the subcritical crack growth caused by stress corrosion cracking (SCC) of Ni-base alloy 600 in BWR and/or PWR water environment, cracking behavior was characterized by a slow strain rate test (SSRT). The effects of both sensitizing heat treatment and the crevice on critical cracking potential have been made clear. The sensitizing heat treatment of 650°C for 30 min lowered the critical potential by about 200 mV. In addition, the crevice which was introduced on the specimen surface by a grain boundary etching technique further dropped the critical potential by about 200 mV.

Original languageEnglish
Pages (from-to)980-986
Number of pages7
JournalTransactions of the Japan Society of Mechanical Engineers Series A
Volume58
Issue number550
DOIs
Publication statusPublished - 1992 Jan 1

Keywords

  • Coriou Test
  • Cracking Potential
  • EPR Test
  • Ni-Base Alloy 600
  • Pressurized High-Temperature Water
  • Slow Strain Rate Test
  • Stress Corrosion Cracking

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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