[1]蔡养川,刘仁培,成中庚.GYF-280A型超高压水晶釜缺陷检测与焊接修复[J].焊管,2013,36(7):14-19.[doi:1001-3938(2013)07-0014-06]
 CAI Yangchuan,LIU Renpei,CHENG Zhonggeng.The Defect Detection and Welding Repair Process of GYF-280A Ultrahigh Pressure Reactor[J].,2013,36(7):14-19.[doi:1001-3938(2013)07-0014-06]
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GYF-280A型超高压水晶釜缺陷检测与焊接修复
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
36
期数:
2013年第7期
页码:
14-19
栏目:
试验与研究
出版日期:
2013-07-28

文章信息/Info

Title:
The Defect Detection and Welding Repair Process of GYF-280A Ultrahigh Pressure Reactor
文章编号:
1001-3938(2013)07-0014-06
作者:
蔡养川刘仁培成中庚
(南京航空航天大学 材料科学与技术学院,南京 211100)
Author(s):
CAI Yangchuan LIU Renpei CHENG Zhonggeng
( School of Materials science and Technology, Nanjing University of Aeronautics and Astronautics,Nanjing 211100, China)
关键词:
焊接GYF-280A型超高压水晶釜缺陷检测焊接修复
Keywords:
 welding GYF-280A ultrahigh pressure reactor defect detection welding repair
分类号:
TE973.6
DOI:
1001-3938(2013)07-0014-06
文献标志码:
A
摘要:
以GYF-280A型超高压水晶釜为例,系统地分析了缺陷产生的机理,并介绍了缺陷检测时常用的检测方法,针对水晶釜材质劣化与腐蚀疲劳,以及应力腐蚀和釜体变形等失效形式,提出了预防措施:釜体经锻造成形后,需进行消除内应力的热处理,以防止其在使用中产生不均匀拉伸应力,从而预防碱脆破裂的发生;应尽量降低釜内表面的粗糙度,以防止容器中碱液慢慢浓缩,浓度逐渐增大,而造成碱脆断裂。最后,从人员、设备、材料、环境、工艺等方面总结了对焊接质量的控制措施。
Abstract:
In this article, it took GYF-280A ultrahigh pressure reactor as an example, systematically analyzed the mechanism of defect, and introduced the commonly used detection methods. Aim at material degradation of reactor, corrosion fatigue, stress corrosion, the reactor deformation and other failure modes, it put forward precautions: after forging, the reactor must be conducted heat treatment to eliminate internal stress, which can prevent uneven tensile stress and alkali embrittlement fracture; it should try to reduce the roughness of the reactor internal surface, in order to prevent alkali liquor slowly concentrating, and concentration gradually increasing,so it will cause alkali embrittlement fracture. Finally, it summarized control measures for welding quality from personnel, equipment, material, environment, process and other aspects.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介:蔡养川(1987—),男,山东济宁人,硕士在读,主要从事焊接材料的研究。
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