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Bi2O3–ZnO–SiO2–B2O3玻璃钎料连接铁氧体/钛酸镁陶瓷接头性能
作者:林盼盼 林铁松     于凯凯 
单位:哈尔滨工业大学 先进焊接与连接国家重点实验室 哈尔滨 150001 
关键词:锂–钛铁氧体陶瓷 钛酸镁陶瓷 玻璃钎料 
分类号:TG425.2
出版年,卷(期):页码:2017,45(9):0-0
DOI:
摘要:

 将Bi2O3–ZnO–SiO2–B2O3玻璃钎料用于连接Li–Ti铁氧体与钛酸镁陶瓷,分别采用X射线衍射分析仪、扫描电子显微镜及能谱分析仪表征连接件相组成和界面形貌,同时表征接头剪切强度。结果表明:在适当的连接温度下,Bi2O3–ZnO–SiO2–B2O3玻璃钎料连接Li–Ti铁氧体和钛酸镁陶瓷的效果较好,连接界面无孔洞、裂纹等缺陷。玻璃钎料与钛酸镁陶瓷之间的界面反应形成白色棒状Bi4Ti3O12相和富镁陶瓷颗粒。适当的界面反应有利于获得较高的连接强度,接头剪切强度在700 ℃时达到最大值35 MPa。

 
基金项目:
国家自然科学基金(51475103,51474081);黑龙江省杰出青年基金(JC2015011)资助。
作者简介:
林盼盼(1987—),女,博士研究生。
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