刘天鸷,王英敏,魏明玉,羌建兵,Hussler Peter,王建豹,练友运,刘翔

• 1:大连理工大学三束材料改性教育部重点实验室
• 2:核工业西南物理研究院聚变所

摘要(Abstract)：

采用单辊急冷技术制备Fe_(60)Mn_(15)B_(16.67)Si_(6.33)Sn_2非晶箔带,将其作为钎料对DEMO聚变示范堆偏滤器用钨与低活化钢进行了钎焊连接。结果表明:1220℃温度下保温15 min所获得的钎焊接头界面结合良好,无孔洞、裂纹等宏观缺陷,其焊缝组织由单相Fe基固溶体、混合相层(固溶体基体上分布着(Fe,Cr)_3B与FeW_2B_2相)和FeW_2B_2基化合物层3部分构成;基于合金组元的扩散与交互作用,揭示了钎焊接头组织特征与相关形成机制。

关键词(KeyWords)： 偏滤器;Fe基非晶钎料;W/CLF-1钢接头;钎缝组织

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51671045);; 中央高校基础研究基金(DUT16ZD209,DUT18GF112);; 国家磁约束核聚变能发展研究专项基金(2013GB107003,2015GB105003);; 核能开发项目(H660003-13-02)

作者(Author): 刘天鸷,王英敏,魏明玉,羌建兵,Hussler Peter,王建豹,练友运,刘翔

DOI: 10.13289/j.issn.1009-6264.2018-0071

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