| 硬质合金中温钎焊技术的实验研究 |
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| 引用本文： | 石康道,张伟,宋宝良,胡祖光.硬质合金中温钎焊技术的实验研究[J].大连轻工业学院学报,2011(4). |
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| 作者姓名： | 石康道 张伟 宋宝良 胡祖光 |
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| 作者单位： | 大连工业大学先进制造技术工程中心; |
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| 摘 要： | 采用显微结构法,通过观察钎焊接头形成条件,研究了以B-Ag-1为钎料的硬质合金和钢的中温连接技术。实验表明,在感应电流为450～600 A时,B-Ag-1钎料能湿润并在硬质合金上铺展,形成组织均匀的钎缝,同时通过钎料中银原子和铜原子向硬质合金的扩散形成具有一定强度的界面。钎焊温度的降低以及铜缓冲层的加入,大大降低了钎焊过程的热应力,接头和母材上均未发现热裂纹。
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| 关 键 词： | 硬质合金 中温 钎焊 裂纹 |
Research on moderate temperature brazing technology of cemented carbide |
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| SHI Kang-dao,ZHANG Wei,SONG Bao-liang,HU Zu-guang Advanced Manufacturing Technology Engineering Center,Dalian Polytechnic University,Dalian ,China.Research on moderate temperature brazing technology of cemented carbide[J].Journal of Dalian Institute of Light Industry,2011(4). |
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| Authors: | SHI Kang-dao ZHANG Wei SONG Bao-liang HU Zu-guang Advanced Manufacturing Technology Engineering Center Dalian Polytechnic University Dalian China |
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| Affiliation: | SHI Kang-dao,ZHANG Wei,SONG Bao-liang,HU Zu-guang Advanced Manufacturing Technology Engineering Center,Dalian Polytechnic University,Dalian 116034,China |
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| Abstract: | The moderate temperature brazing technology of the cemented carbide and steel was studied by observing the microstructure and scanning the conditions of joint formation.Experiment indicated that B-Ag-1 brazing filler metal was able to wet and unfold to form brazing seam with even tissue when the induced current is 450-600 A,and silver atom and copper atom of filler metal diffuse to carbide and form interface with certain strength.The heat crack was not found at joint and parent metal. |
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| Keywords: | cemented carbide moderate temperature brazing crack |
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