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钨/低活化钢连接用Fe基非晶钎料

Release Time:2019-03-20  Hits:

Indexed by: Journal Article

Date of Publication: 2018-06-21

Journal: 材料热处理学报

Volume: 39

Issue: 6

Page Number: 148-155

ISSN: 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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