Development of small punch test for EAC evaluation

Jerome Isselin, Shengchun Wang, Shin Ichi Komazaki, Tetsuo Shoji

研究成果: Article査読

8 被引用数 (Scopus)

抄録

We are developing a Small-Punch SCC testing apparatus with an in-situ observation system applied to high temperature water and high pressure. This new testing apparatus is used to evaluate the Environmentally Assisted Cracking effect. A constant loading rate was carried out with different values of speed, of water flow rate and different polishing of the sample. In BWR (Boiling Water Reactor) conditions (9MPa and 288°C) it was found that the loading rate, water flow rate and surface preparation of the sample have some influence if the test is performed during a short time (maximum 4 days). After the test, by SEM observation, studying the secondary microcracks, it is possible to find all the sequences of EAC process. The in-situ observation system permits to study the strain of the sample during the test.

本文言語English
ページ(範囲)980-985
ページ数6
ジャーナルKey Engineering Materials
297-300 II
DOI
出版ステータスPublished - 2005 1 1
外部発表はい

ASJC Scopus subject areas

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

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