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本文系机械部压力容器缺陷评定规范赴日考察组的考察报告之一。文中重点介绍了日本压力容器用钢断裂韧性测试方法(J_1,COD)和测试技术的概况,并介绍了日本金属材料技术研究所在材料基础性能数据研究方面的情况。
This article is one of the inspection reports of the inspection team for the assessment of the defects of pressure vessels in the Ministry of Machinery. This paper mainly introduces the general situation of Japan’s pressure vessel steel fracture toughness test method (J 1, COD) and testing technology, and introduces the Japanese Institute of Metal Materials Technology in the basic material performance data research.