| Ni－Cr－Co－B钎料钎焊K3合金接头组织研究 |
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| 引用本文： | 刘纬平,庄鸿寿.Ni－Cr－Co－B钎料钎焊K3合金接头组织研究[J].材料科学与工艺,1994(4). |
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| 作者姓名： | 刘纬平 庄鸿寿 |
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| 作者单位： | 大连铁道学院，北京航空航天大学 |
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| 摘 要： | 采用金相分析、电子探针及Ｘ射线衍射等试验手段确定了Ｎｉ－Ｃｒ－Ｃｏ－Ｂ钎料及其钎焊的Ｋ３合金接头的相组成，研究了钎焊工艺参数和焊后扩散热处理对这类接头组织的影响，并与ＢＮｉ－ｌａ钎料钎焊的Ｋ３合金接头进行了对比。对采用Ｎｉ－Ｃｒ－Ｃｏ－Ｂ钎料和ＢＮｉ－ｌａ钎料钎焊的Ｋ３合金接头室温冲击韧性进行了对比评定。
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| 关 键 词： | 钎料，高温钎焊，显微组织 |
As Investigation of the Structure of K3 Superalloy Joints Brazed with Ni-Cr-Co-B Filler Metals |
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| Liu Weiping,Zhuang Hongshou.As Investigation of the Structure of K3 Superalloy Joints Brazed with Ni-Cr-Co-B Filler Metals[J].Materials Science and Technology,1994(4). |
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| Authors: | Liu Weiping Zhuang Hongshou |
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| Affiliation: | Liu Weiping;Zhuang Hongshou(Dalian Railway Institute)(Beijing University of Aeronautics and Astronautics) |
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| Abstract: | The phases in Ni-Cr-Co-B filler metals and in K3 superalloy joints brazed with them are determined by means of metallograph,electronic microprobe analysis (EMA) and X-ray diffractometry.The influences of brazing clearance,brazing parameters and postbraze heat treatment on the structure of the brazed joints are investigated in comparison with those brazed with BNi-1a.Moreover,the notch toughness of the joints brazed with Ni-Cr-Co-B filler metals and BNi-1a are evaluated. |
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| Keywords: | Braze filler metal High temperature brazing Microstruture |
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