| TiC陶瓷/NiCrSiB/铸铁钎焊连接的界面组织和强度分析 |
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| 引用本文： | 张丽霞,冯吉才,李卓然,刘会杰.TiC陶瓷/NiCrSiB/铸铁钎焊连接的界面组织和强度分析[J].材料科学与工艺,2005,13(2):116-118. |
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| 作者姓名： | 张丽霞 冯吉才 李卓然 刘会杰 |
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| 作者单位： | 哈尔滨工业大学,现代焊接生产技术国家焊接重点实验室,黑龙江,哈尔滨,150001 |
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| 摘 要： | 采用NiCrSiB钎料对TiC陶瓷与铸铁进行钎焊连接,分析了接头的界面组织和剪切强度.结果表明:当连接规范一定时,在钎料内部、钎料与母材的界面处有TiC从TiC陶瓷侧扩散过来,同时在钎料内部和界面处有Ni,Fe]和Ni基固溶体生成.当连接温度为1373K,连接时间为20 min时,接头的剪切强度最高可达78.6 MPa.
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| 关 键 词： | TiC陶瓷 钎焊 界面组织 剪切强度 陶瓷 NiCrSiB 铸铁 钎焊连接 界面组织 强度分析 TiC ceramic brazing analysis strength structure Interface 连接时间 连接温度 基固溶体 扩散 规范 结果 剪切强度 接头 |
| 文章编号： | 1005-0299(2005)02-0116-03 |
| 修稿时间： | 2003年6月12日 |
Interface structure and strength analysis of brazing TiC ceramic/NiCrSiB/Iron |
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| ZHANG Li-xia,FENG Ji-cai,LI Zhuo-ran,LIU Hui-Jie.Interface structure and strength analysis of brazing TiC ceramic/NiCrSiB/Iron[J].Materials Science and Technology,2005,13(2):116-118. |
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| Authors: | ZHANG Li-xia FENG Ji-cai LI Zhuo-ran LIU Hui-Jie |
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| Abstract: | Interface structure and shear strength were studied in this paper when TiC ceramic and iron were brazed with NiCrSiB filler metal. The result showed: Under definite condition, TiC diffused from TiC ceramic to the inner of NiCrSiB, as well as Ni,Fe] and Ni(s. s) formed in NiCrSiB filler metal and on TiC ceramic/ iron interface. When brazing temperature was 1373 K and brazing time was 20 min, the highest shear strength of TiC ceramic/iron joint was up to 78. 6 MPa. |
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| Keywords: | TiC ceramic brazing interface structure shear strength |
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