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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