Magnetic particle testing technology for lifting tripod forgings used in nuclear power plants
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摘要: 起吊三脚架组件是三代核电一体化堆顶结构（IHP）系统中的重要受载荷部件。按照设计文件要求，需要在机加工和载荷试验后对起吊三脚架各组件分别进行磁粉检测。其部件异型结构较多，为了制定合理的磁粉检测工艺及选择相关检测设备，需要对各个部件进行分析。文章根据相关标准要求，通过进行参数计算和试验验证，制定出符合检测标准的工艺规范，经验证后其可以满足检测要求。该工艺规范目前己应用于工程实践中，为三代核电国产化提供了质量保证。Abstract: The important load-bearing components in the Integrated Head Package (IHP) system are mainly the lifting tripods. According to the requirement of design document, each component of lifting tripod should be tested by magnetic particle after machining and loading test. Because there are many special-shaped parts, it is necessary to analyze each part to work out reasonable magnetic particle testing technology and select related testing equipment. In this paper, according to the standard test requirements, through parameter calculation and related test, the test process specifications in line with the test standards are worked out. The process code has been applied to the construction practice to provide quality assurance for the localization of the third generation nuclear power.
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Keywords:
- IHP /
- lifting tripod /
- magnetic particle testing
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