对板厚为5mm的2024,6082,7050-T7451三种铝合金进行搅拌摩擦焊接实验.结果表明:搅拌摩擦焊接铝合金2024时,接头部位很容易出现孔洞缺陷,但一定尺寸范围内的缺陷并未严重削弱接头的抗拉强度.铝合金6082可在很大的范围内选择工艺参数,接头成型性明显好于铝合金2024和7050-T7451,工艺参数的改变对接头的抗拉强度无大的改变.铝合金7050-T7451在设计的焊接参数范围内没有发现孔洞缺陷,但接头的抗拉强度系数比铝合金2024和6082接头都低.因为搅拌摩擦焊接接头的性能除与焊接工艺参数有关外,基体材料的屈服强度、延展性、基体硬度等也是不可忽视的影响因素.
参考文献
| [1] | DAWES C J;THOMAS W M .Friction stir process welds aluminum alloys[J].Welding Journal(Miami Fla),1996,75(03):41-45. |
| [2] | DAWES C J .Introduction to friction stir welding and its development[J].Welding & Metal Fabrication,1995,63(01):13-15. |
| [3] | STEWARD W W .Welding of airframes using friction stir[J].Air & Spacefuropf,2001,3(3-4):64-66. |
| [4] | 张田仓,郭德伦,陈沁刚,栾国红.铝合金搅拌摩擦焊技术研究[J].机械工程学报,2002(02):127-130. |
| [5] | 刘小文,鄢君辉,杜随更.LY12搅拌摩擦焊接技术[J].焊接学报,2001(04):55-57. |
| [6] | JOEL J. DONOHUE .THE FRICTION WELDING ADVANTAGE[J].Welding Journal,2001(5):30-34. |
| [7] | Wang Xunhong;Wang Kuaishe .Microstructure and properties of friction stir butt-welded AZ31 magnesium alloy[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2006(1/2):114-117. |
| [8] | YANG Bang-cheng;TAN Jun-hui;SUTTON M A et al.Banded microstructure in AA2024-T351 and AA2524-T351 aluminum friction stir welds[J].Materials Science and Engineering,2004,A364:55-65. |
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%