摘要
采用TiCuZrNi非晶活性钎料对ZrB_2-SiC超高温陶瓷和Ti-6Al-4V合金在880℃钎焊温度下进行钎焊,通过扫描电子显微镜、能谱分析仪和X射线衍射仪对焊接接头界面的反应产物进行系统分析,结合加热、保温和冷却3个阶段深入分析接头形成的机制。结果表明:界面反应产物为β-Ti、(Ti,Zr)_2(Cu,Ni)、TiCu、Ti_2Cu、TiC、Ti5Si3、Ti B和Ti B2。基于扩散理论,建立陶瓷侧反应层生长规律的表达式。
The joint of ZrB2-SiC ultra-high temperature ceramic and Ti-6 Al-4 V alloy was brazed with Ti Cu Zr Ni amorphous filler foils at 880 ℃. The microstructure and precipitation phase of the joints were analyzed by scanning electron microscope,energy dispersive spectrometer and X-ray diffraction. The formation mechanism of reaction products was investigated during the stages of heating,holding and cooling. The results show that reaction products in the joints are identified as β-Ti,（Ti,Zr）2（Cu,Ni）,TiCu,Ti2Cu,Ti C,Ti5Si3,TiB and TiB2. Based on the diffusion theory,the expression of the growth law of reaction layer on the ceramic side was established.
作者
刘亚萍
王刚
王微
徐海涛
朱冬冬
LIU Yaping;WANG Gang;WANG Wei;XU Haitao;ZHU Dongdong(School of Mechanical and Automotive Engineering,Anhui Polytechnic University,Wuhu 241000,China;School of Mechanical Engineering,Anhui Machine and Electricity College,Wuhu 241002,China;School of Mechanical Engineering,Quzhou University,Quzhou 324000,China)
出处
《兵器材料科学与工程》
CAS
CSCD
北大核心
2018年第5期65-69,共5页
Ordnance Material Science and Engineering
基金
国家自然科学基金(51704001)
安徽省教育厅重点项目(KJ2018A0860)
安徽省高校优秀青年人才计划重点项目(gxyq ZD2016126)
安徽工程大学预研基金(2017yyzr08)
