tc4钛合金真空扩散连接研究

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1、TC4钛合金真空扩散连接研究编号毕业设计（论文）二级学院材料科学与工程学院专业材料科学与工程班级110090303学生姓名杨志祥学号11009030331指导教师罗怡职称教授时间2014.6目录摘要························································································IAbstract·····································································

2、···············Ⅱ1绪论······················································································11.1本课题研究的目的和意义···························································11.2国内外的研究进展····································································11.2.1

3、异种合金真空扩散连接研究现状·············································11.2.2瞬间液相连接技术研究的进展················································31.3本课题研究的主要内容······························································52试验材料和试验方法····················································

4、······················································62.1试验材料················································································62.2焊接试验················································································72.3金相试验···························

5、·····················································92.4硬度试验··············································································113试验结果分析············································································································143.1粗糙度·

6、················································································143.2焊合率分析···········································································153.3金相分析··············································································193.3.1TC4钛合金

7、直接真空扩散连接················································193.3.2铜箔作中间层的瞬间液相扩散连接·········································213.3.3镍箔作中间层的瞬间液相扩散连接·········································233.4显微硬度分析········································································

8、263.5本课题的不足和进一步建议······················································264结论·····································································