钨瓦尺寸对W/CuCrZr 界面高热负荷行为的影响

doi:10.16568/j.0254-6086.202503007

核聚变与等离子体物理 ›› 2025, Vol. 45 ›› Issue (3): 295-300.DOI: 10.16568/j.0254-6086.202503007

钨瓦尺寸对W/CuCrZr 界面高热负荷行为的影响

崔诗雨，黄攀，陈艳宇，韦郑兴，张启航，李前，谌继明，王平怀*

(核工业西南物理研究院，成都 610041)

收稿日期:2024-02-25 修回日期:2025-04-09 出版日期:2025-09-15 发布日期:2025-09-29
通讯作者: 王平怀(1980-)，男，宁夏固原人，博士，研究员，从事核聚变面向等离子体部件研究。
作者简介:崔诗雨(1999-)，女，四川绵阳人，硕士研究生，从事核聚变面向等离子体部件研究。

The effect of tungsten tile size on the high cycle thermal fatigue behavior of W/CuCrZr interface

CUI Shi-yu, HUANG Pan, CHEN Yan-yu, WEI Zheng-xing, ZHANG Qi-hang, LI Qian, CHEN Ji-ming, WANG Ping-huai#br#

(Southwestern Institute of Physics, Chengdu 610041)

Received:2024-02-25 Revised:2025-04-09 Online:2025-09-15 Published:2025-09-29

摘要/Abstract

摘要：

以Cu 作为中间层，采用浇铸+热等静压的连接工艺制备了具有3 种钨瓦尺寸的ITER W/CuCrZr 第一壁小模块，对模块进行了15000 次4.7 MW·m⁻² 的高热负荷疲劳性能测试，研究了钨瓦尺寸对连接界面高热负荷性能的影响。结果表明，3 种钨瓦连接界面都出现了疲劳裂纹，裂纹主要位于靠近界面的钨中；钨瓦尺寸越大，疲劳裂纹萌生和扩展速度越快，但裂纹萌生到一定尺度就趋于稳定；3 种尺寸钨瓦均未出现熔化和脱落失效；高热负荷会导致Cu 中间层晶粒细化和硬度增加。

关键词: (核工业西南物理研究院, 成都 610041)

Abstract:

This paper presents the fabrication of small ITER W/CuCrZr first wall modules with three different tungsten tile sizes using a casting+hot isostatic pressing (HIP) bonding process with Cu as the interlayer. The modules were subjected to high heat flux fatigue testing at 4.7 MW·m⁻² for 15,000 cycles to investigate the effect of tungsten tile size on the high heat flux performance of the bonding interface. The results indicate that fatigue cracks appeared at the bonding interfaces of all three tungsten tile sizes, primarily located in the tungsten near the interface. Larger tungsten tiles exhibited faster initiation and propagation of fatigue cracks, but the cracks tended to stabilize after reaching a certain size. None of the tungsten tiles experienced melting or detachment failure. The high heat flux led to grain refinement and increased hardness in the Cu interlayer.

中图分类号:

TL62⁺7

崔诗雨, 黄攀, 陈艳宇, 韦郑兴, 张启航, 李前, 谌继明, 王平怀. 钨瓦尺寸对W/CuCrZr 界面高热负荷行为的影响 [J]. 核聚变与等离子体物理, 2025, 45(3): 295-300.

CUI Shi-yu, HUANG Pan, CHEN Yan-yu, WEI Zheng-xing, ZHANG Qi-hang, LI Qian, CHEN Ji-ming, WANG Ping-huai.

The effect of tungsten tile size on the high cycle thermal fatigue behavior of W/CuCrZr interface

[J]. Nuclear Fusion and Plasma Physics, 2025, 45(3): 295-300.

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钨瓦尺寸对W/CuCrZr 界面高热负荷行为的影响

The effect of tungsten tile size on the high cycle thermal fatigue behavior of W/CuCrZr interface

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