[1]韩恩厚.核电高温高压水中材料腐蚀关键测试技术[J].中国材料进展,2020,(7-8):519-526.[doi:10.7502/j.issn.1674-3962.202006029]
 HAN En-Hou.Key Testing Techniques for Corrosion of Nuclear Materials in High Temperature Pressurized Water[J].MATERIALS CHINA,2020,(7-8):519-526.[doi:10.7502/j.issn.1674-3962.202006029]
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核电高温高压水中材料腐蚀关键测试技术()
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中国材料进展[ISSN:1674-3962/CN:61-1473/TG]

卷:
期数:
2020年第7-8期
页码:
519-526
栏目:
出版日期:
2020-08-30

文章信息/Info

Title:
Key Testing Techniques for Corrosion of Nuclear Materials in High Temperature Pressurized Water
文章编号:
1674-3962(2020)07-0519-08
作者:
韩恩厚
(中国科学院核用材料与安全评价重点实验室,中国科学院金属研究所,辽宁 沈阳 110016)
Author(s):
HAN En-Hou
(Key Laboratory for Nuclear Materials and Safety Assessment of Chinese Academy of Science(CAS), Institute of Metal Research, CAS, Shenyang 110016, China)
关键词:
核电腐蚀原位测试技术安全评价材料损伤试验高温高压水
Keywords:
nuclear power corrosion insitu measurement techniques safety assessment materials degradation testing high temperature pressurized water
分类号:
TG174.3; TM623
DOI:
10.7502/j.issn.1674-3962.202006029
文献标志码:
A
摘要:
针对核电厂核岛关键设备的主要腐蚀失效模式以及实验室模拟试验的关键难点问题,自主设计并研制了系列在模拟核电高温高压水环境中开展材料多种腐蚀损伤试验的关键测试装备和原位测试技术,用于材料腐蚀损伤试验研究和安全评价。设计并研制了在严格模拟核电站高温高压水化学环境中,材料在加载条件下的光学、光谱、声发射、电化学、裂纹扩展、应变等原位腐蚀损伤模拟装备和测试技术;设计并研制了核电高温高压水中划伤再钝化暂态电化学测试设备,用于快速评价材料应力腐蚀敏感性,使评价时间从以年和月为单位缩短到以天为单位;研制了在模拟核电高温高压水中材料的腐蚀电化学、应力腐蚀、腐蚀疲劳、腐蚀磨损、缝隙腐蚀、辐照促进应力腐蚀等多种腐蚀失效行为的模拟设备与原位测试技术。这些测试技术形成了一系列标准。利用这些新装备和标准进行试验并获得了大量数据规律,成功用于解决我国核电站的设计、建造与运行中核电材料的数据规律缺失、核电站运行许可证延续、服役安全评价问题。最后提出了核电材料与装备腐蚀领域的发展趋势与未来值得重视的10方面课题。
Abstract:
More than 10 kinds of key testing equipments to simulate various corrosion failure modes of materials and in-situ testing technologies for material degradation test in high temperature pressurized water of nuclear power plant (NPP) were designed and developed independently for material degradation research and safety assessment. By strictly simulating the water chemistry in high temperature pressurized water various in-situ measurement technologies were innovated. The optical, spectral, acoustic emission, electrochemical, crack propagation, strain and other in-situ measurement techniques were established for materials corrosion in high temperature pressurized water of NPP under loading conditions. The transient electrochemical parameters by scratching repassivation in high temperature pressurized water to evaluate stress corrosion cracking susceptibility was invented, which shortened the evaluation time from several months to several days. The in-situ testing equipments, including corrosion electrochemistry, stress corrosion cracking, corrosion fatigue, fretting wear, crevice corrosion and irradiation assisted stress corrosion cracking etc, were developed to investigate corrosion behaviors of various materials in NPP. Accordingly, the testing standards were initiated. A large amount of testing data were obtained by these new techniques and equipments, which were used in the design, construction and operation of NPP in China. Finally, the development trend and future issues in this field are put forward.

备注/Memo

备注/Memo:
收稿日期:2020-06-22 基金项目:科技部“973”计划项目(2006CB605000,2011CB610500);国家科技重大专项课题(2011ZX06004-009);中国科学院重大科研装备研制项目(YZ0625,YZ201230)第一作者:韩恩厚,男,1961年生,研究员,博士生导师, Email:ehhan@imr.ac.cn
更新日期/Last Update: 2020-06-28