设计了CoNi(Si, B)CrTi和CoFeNi(Si, B)CrTi两种成分的钴基钎料, 对SiC陶瓷进行了钎焊试验. 结果表明CoFeNi(Si, B)CrTi钎料可用于SiC陶瓷的钎焊. 钎料/SiC界面由多层硅化物和TiC条带组成, 钎缝中央的基体为Co-Fe-Ni-Cr-Ti-Si相和Fe-Co-Cr-Ni金属相, 其上弥散分布着许多细小的TiC颗粒. 在1150 ℃/10 min, 采用120 μm厚的CoFeNi(Si, B)CrTi钎料钎焊的SiC接头室温四点弯曲强度最高, 为161 MPa, 且该接头具有稳定的高温强度, 室温、 700和800 ℃下钎焊接头的三点弯曲强度分别为176, 178和184 MPa.
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