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钨/低活化钢连接用Fe基非晶钎料

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Indexed by:期刊论文

Date of Publication:2018-06-21

Journal:材料热处理学报

Volume:39

Issue:6

Page Number:148-155

ISSN No.:1009-6264

Key Words:偏滤器;Fe基非晶钎料;W/CLF-1钢接头;钎缝组织

Abstract:采用单辊急冷技术制备Fe60Mn15B16.67Si633Sn2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FeW2B2相)和FeW2B2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.

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