SiO2陶瓷与TC4钛合金的钎焊研究

材料工程, 2008, (9): 13-16. doi: 10.3969/j.issn.1001-4381.2008.09.004

SiO2陶瓷与TC4钛合金的钎焊研究

张丽霞 ^1, , 吴林志 ^2, , 田晓羽 ^3, , 何鹏 ^4, , 刘多 ^5, , 冯吉才 ^6,

1.哈尔滨工业大学,现代焊接生产技术国家重点实验室,哈尔滨,150001

2.哈尔滨工业大学,复合材料研究所,哈尔滨,150001

3.哈尔滨工业大学,现代焊接生产技术国家重点实验室,哈尔滨,150001

4.哈尔滨工业大学,金属精密热加工国防科技重点实验室,哈尔滨,150001

5.哈尔滨工业大学,现代焊接生产技术国家重点实验室,哈尔滨,150001

6.哈尔滨工业大学,现代焊接生产技术国家重点实验室,哈尔滨,150001

基金项目: 国家自然科学基金(50705022) 哈尔滨工业大学优秀团队支持计划

关键词： SiO2陶瓷 , 钎焊 , 界面组织 , 接头强度

Research on the Brazing of SiO2 Ceramic to TC4 Alloy

采用AgCu共晶钎料钎焊SiO2陶瓷与TC4钛合金,形成了良好接头.通过扫描电镜(SEM),能谱分析(EDS)以及X射线衍射分析(XRD)明确了接头生成物,确定了接头界面结构为TCA/Ti2Cu+Ti(s,s)/Ti2Cu/TiCu+Ti3Cu4+Ag(s.s)/Ag(s.s)+Cu(s.s)+TiCu/TiCu+Cu2Ti4O/Al2(SiO4)O+TiSi2/SiO2.研究了钎焊温度和保温时间对界面的影响,结果表明:当钎焊温度为850℃,保温时间为5min时,接头抗剪强度最高,其值为30MPa.

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