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中文摘要：
采用活性钎料TiZrNiCu对TiBw/TC4钛合金和C/C复合材料进行了钎焊连接,借助SEM,EDS,XRD等分析手段研究了钎焊工艺参数对接头界面组织结构的影响.结果表明,采用TiZrNiCu钎料可以实现对两种材料的连接,接头典型的界面结构为：C/C复合材料/TiC＋（Ti,Zr）2（Cu,Ni）/Ti（s,s）＋（Ti,Zr）2（Cu,Ni）/TiBw/TC4钛合金.随着连接温度的升高或保温时间的延长,钎焊接头界面生成产物的种类并没有发生改变,但C/C复合材料侧TiC反应层逐渐变得连续且厚度逐步增加,α-Ti枝状晶变得粗大且数量增多,Ti（s,s）＋（Ti,Zr）2（Cu,Ni）层逐渐变宽,（Ti,Zr）2（Cu,Ni）逐步分散在Ti（s,s）中.
英文摘要：
The active filler containing TiZrNiCu was used to join TiBw/TC4 alloy and C/C composite.The effect of the brazing parameters on the interfacial microstructure was studied by SEM,EDS,and XRD.The results show that the typical interfacial structure of the joint is C/C composites/TiC＋（Ti,Zr）2（Cu,Ni）/Ti（s,s）＋（Ti,Zr）2（Cu,Ni）/TiBw/TC4 alloy.With the increasing of brazing temperature or holding time,the type of the interfacial products in the brazing joint did not change,but the reaction layer of TiC near the C/C composites became continuous and thickness gradually increased,α-Ti dendrites became thicker and the number increased.The layer of Ti（s,s）＋（Ti,Zr）2（Cu,Ni） became wider,the phase（Ti,Zr）2（Cu,Ni） gradually dispersed in Ti（s,s）.
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