利用X射线衍射法测量了铝合金搅拌摩擦焊和钨极氩弧焊(TIG)焊接接头表面的残余应力分布.结果表明:两种接头在焊缝区及其周围的残余应力存在着明显的变化,在平行于焊缝方向,应力呈"W"型的分布,焊缝外残余应力值迅速下降;钨极氩弧焊焊接接头残余应力的最大值位于热影响区;在热影响区,搅拌摩擦焊接接头残余应力平均值比TIG焊接接头的约低15%～25%.
参考文献
| [1] | Stone H J .Comparison of three different techniques for measuring the resident stresses in an electron beam-welded plate of WAS-PALOY[J].Metallurgical and Materials Transactions,1999,30A:1797-1808. |
| [2] | Masahito Mochizuki;Makoto Hayashi;Toshio Hattori .Numerical analysis of welding residual stress and its verification neutron diffraction measurement[J].Transactions of the ASME Journal of Engineering Materials and Technology,2000,122(01):98-103. |
| [3] | Webster P J .Synchrostron X-ray residual strain scanning of a friction stir weld[J].Strain Analysis,2001,36(01):61-70. |
| [4] | Schindler HJ.;Finnie I.;Cheng W. .EXPERIMENTAL DETERMINATION OF STRESS INTENSITY FACTORS DUE TO RESIDUAL STRESSES[J].Experimental Mechanics,1997(3):272-277. |
| [5] | 常铁军;祁欣.材料现代分析测试方法[M].哈尔滨:哈尔滨工业大学出版社,1999 |
| [6] | 袁发荣;伍尚礼.残余应力的测试与计算[M].长沙:湖南大学出版社,1987 |
| [7] | 唐慕尧.焊接技术[M].北京:机械工业出版社,1988 |
| [8] | 张定铨;何家文.材料中残余应力的X射线衍射分析和作用[M].西安:西安交通大学出版社,1999 |
| [9] | 何小东,张建勋,裴怡,巩水利.钛合金薄板激光焊接和TIG焊接残余应力数值模拟[J].机械工程材料,2005(03):25-28. |
| [10] | 苏晓莉,王快社,周俊杰,王训宏.铝合金搅拌摩擦焊接参数对温度场的影响[J].轻合金加工技术,2006(02):40-42,53. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%