王新阳,李炎,魏世忠,徐流杰,马向东

• 1:河南科技大学材料科学与工程学院
• 2:河南科技大学河南省耐磨材料工程技术研究中心

摘要(Abstract)：

采用活性钎料Cu70Ti30对Al2O3陶瓷与Q235钢进行了连接。用扫描电镜、能谱仪和X射线衍射仪对焊接界面进行了微观表征。结果表明,1100℃是最佳的钎焊温度,该温度下钎料充分熔化填充接头间隙并与陶瓷和钢侧相互扩散,形成由三层构成的界面结合区,即液态钎料填充陶瓷微孔形成的反应层、Ti-Cu合金层以及钢侧扩散层;在界面结合区生成有AlCu4、Cu3 TiO4、TiC、TiFe2等新相;界面结合区组织致密,裂纹、微孔缺陷较少,实现了较好的冶金结合。

关键词(KeyWords)： Cu70Ti30;Al2O3陶瓷;Q235钢;活性钎焊;界面

Abstract:

Keywords:

基金项目(Foundation): 河南省重点科技攻关项目(092102210011);; 河南省教育厅自然科学研究计划项目(2010A430005)

作者(Author): 王新阳,李炎,魏世忠,徐流杰,马向东

DOI: 10.13289/j.issn.1009-6264.2010.05.018

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