Development of miniature fracture toughness test technique applicable to thin martensitic steel for wrapper tube of fast reactor

Tanno, Takashi ; Fujita, Koji; Yano, Yasuhide ; Kurishita, Hiroaki*

Miniature 3 point bend test was applied to evaluate fracture toughness of ferritic/martensitic steel (PNC-FMS) for fast reactor subassembly wrapper tube. In this work, the anisotropy in toughness of rolled PNC-FMS was successfully confirmed with the specimen which was modified in the geometry. In addition, it was confirmed that data can be obtained with good reproducibility for specimens having plural geometries.

Language	:	Japanese
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Meeting title	:	大洗・アルファ合同研究会
Held date	:	2021/09
Location (city)	:	online
Location (country)	:	日本
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Keywords	:	破壊靱性; ミニチュア試験; PNC-FMS; 異方性
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Registration No. : BB20210892
JAEA Abstracts No. :
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