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| ITER��һ��ģ��Be/Cu����ʧЧ���� | |
| 引用本文： | 刘丹华,王平怀,李前,杨波,金凡亚,谌继明,ITER屏蔽包层组. ITER��һ��ģ��Be/Cu����ʧЧ����[J]. 核聚变与等离子体物理, 2017, 37(3): 302-307. DOI: 10.16568/j.0254-6086.201703010 |
| 作者姓名： | 刘丹华 王平怀 李前 杨波 金凡亚 谌继明 ITER屏蔽包层组 |
| 作者单位： | (?????????????о??????? 610041) |
| 基金项目： | 四川省青年科技创新团队专项 |
| 摘 要： | 为了分析ITER第一壁模块试制过程中Be/Cu界面经热等静压扩散连接后出现的不可接受的大尺寸缺陷,对Be/Cu连接失效的模块进行了破坏性试验.首先采用线切割对模块进行解剖,并对连接界面缺陷区域及非缺陷区域通过金相观察、SEM观察及能谱分析进行对比,初步确定了界面连接的失效机理. |
| 关 键 词： | ITER 第一壁 CuCrZr合金 Be/Cu连接 热等静压 爆炸焊 |
Failure analysis of Be/Cu joint in ITER first wall mock-ups |
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| LIU Dan-hua,WANG Ping-huai,LI Qian,YANG Bo,JIN Fan-ya,CHEN Ji-ming,ITER Shield Blanket Team. Failure analysis of Be/Cu joint in ITER first wall mock-ups[J]. Nuclear Fusion and Plasma Physics, 2017, 37(3): 302-307. DOI: 10.16568/j.0254-6086.201703010 | |
| Authors: | LIU Dan-hua WANG Ping-huai LI Qian YANG Bo JIN Fan-ya CHEN Ji-ming ITER Shield Blanket Team |
| Affiliation: | (Southwestern Institute of Physics, Chengdu 610041) |
| Abstract: | ITER first wall mock-ups were fabricated by joining CuCrZr and 316L(N) stainless steel with explosion welding, machining cooling channel, and then bonding Be tiles on CuCrZr interface with a hot isostatic pressing (HIP) technology, but a few large scale defects on the Be/Cu joint interface were observed by ultrasonic testing. In order to guarantee the mock-up quality, destructive tests were performed on these failed mock-ups. Samples were observed with optical microscope and SEM, and the possible cause of the defects formation was identified preliminarily. |
| Keywords: | ITER First wall CuCrZr alloy Be/Cu joint Hot isostatic pressing Explosion welding |
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