研究了等径弯曲通道变形AZ31镁合金的搅拌摩擦焊工艺,对焊缝的成形特点和力学性能进行了分析.试验结果表明,对厚为15mm的等径弯曲通道变形AZ31镁合金板,工艺参数对焊缝成型有很大的影响,成型性能对焊接速度的敏感程度较铝合金板要大,当焊接速度为37.5mm/min和搅拌头旋转速度为750r/min时,可以获得较好的焊接质量.
参考文献
| [1] | SEGAL V M;REZNILKOV V I;DROBYSHEKIJ A E.Plastic Working of Metals by Simple Shear[J].Russian Metallurgy (Eng1 Translation),1981(01):99-115. |
| [2] | STOLYAROV Vladimir V;ZHU Yuntian T;LOWE Terry C et al.Valiev.Microstructure and properties of pure Ti processed by ECAP and cold extrusion[J].Materials Science and Engineering A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2001,303:82-89. |
| [3] | Su, CW;Chua, BW;Lu, L;Lai, MO .Properties of severe plastically deformed Mg alloys[J].Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing,2005(1-2):163-169. |
| [4] | Akihiro Yamashita;Zenji Horita;Terence G. Langdon .Improving the mechanical properties of magnesium and a magnesium alloy through severe plastic deformation[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2001(1/2):142-147. |
| [5] | THOMAS W M;NEEDLHAM J C;DAWES C J et al.friction stir butt welding[P].GB 9125978.8,1991-12-06. |
| [6] | 柯黎明,邢丽,刘鸽平.搅拌摩擦焊工艺及其应用[J].焊接技术,2000(02):7-8. |
| [7] | COLLIGAN K .Material flow behavior during friction stir welding of aluminum[J].Welding Journal,1999,13(03):14-16. |
| [8] | Olga Valerio Flores;Christine Kennedy;L. E. Murr;David Brown;Sridhar Pappu;Brook M. Nowak;J. C. McClure .Microstructural issues in a friction-stir-welded aluminum alloy[J].Scripta materialia,1998(5):703-708. |
| [9] | 郑立静,王春晖,侯亮卓,李国强,李焕喜,闫蕴琪.热加工对铸造AM50镁合金显微结构和力学性能的影响[J].稀有金属,2005(05):615-618. |
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%