Ti-24A1-17 Nb合金的激光焊接

宇航材料工艺 , 2001, 31(6): 58-62. doi: 10.3969/j.issn.1007-2330.2001.06.016

Ti-24A1-17 Nb合金的激光焊接

吴爱萍 ^1, , 邹贵生 ^2, , 张红军 ^3, , 王国庆 ^4, , 谢美蓉 ^5,

1.清华大学机械工程系,

2.清华大学机械工程系,

3.清华大学机械工程系,

4.首都航天机械公司,

5.首都航天机械公司,

关键词： Ti3Al基合金 , 激光焊接 , 接头性能

Laser Welding of Ti-24Al-17Nb Alloys

研究了Ti-24Al-17Nb合金的激光焊接及其接头的力学性能.研究结果表明,连续激光氦气双面保护可以获得保护效果可靠、无缺陷、成型良好的焊接接头.焊接热输入增大不利于接头的纵向弯曲塑性,而接头的横向拉伸强度与母材基本相同,塑性可以接近母材的塑性,达到14%～17%.

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