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介绍了目前解决W/Cu连接界面缓解热应力的方法——添加适配层。在对不同适配层进行分析后,选出最佳W/Cu适配层,再对W/Cu适配层进行结构优化分析,得出选用W/Cu功能梯度材料作为适配层具有足够的结合强度,而且良好的导热性能能有效地缓解热应力。此外,重点阐述了目前成功的制备的W/Cu功能梯度材料用作W/Cu第一壁材料的适配层的常用方法。最后,对W/Cu功能梯度材料用作适配层解决W/Cu第一壁材料连接界面的问题做出了总结和展望。

Current status of design and manufacture on W/Cu interface of the fist wall material

This paper reviews the current method of solving the W/Cu interface connection and relieving the thermal stress by added adaptation layer. After analyzing the different adaptation layer, the best W/Cu adaptation layer is selected, and then the W/Cu layer structure optimization analysis is conducted. The results show that using W/Cu functionally graded materials as the combination of the adaptation layer has enough strength, and good thermal conductivity are more effective to alleviate thermal stress. In addition, this paper expounds the current method which utilizes the successfully prepared W/Cu functionally gradient materials as W/Cu adaptation layer used in the first wall materials. Finally, this paper has made the summary and prospect about that the functionally gradient materials of W/Cu used as the adaptation layer tosolve the first wall material W/Cu interface connection.