对采用不同填充材料获得的含Sc和Zr铝合金钨极氩弧焊(TIG)接头的组织与性能进行研究,优化了试验条件下的焊接工艺参数.拉伸试验表明,采用Al-Mg焊丝和母材焊丝焊接获得接头的抗拉强度明显高于采用Al-Si焊丝和纯Al焊丝获得接头的强度.对接头的微观组织结构分析表明,采用Al-Mg焊丝和母材焊丝获得的接头组织致密、未见有微裂纹和夹渣等缺陷,拉伸断口呈韧性断裂特征,XRD测试发现在接头中含有Al,Sc、Al,Zr和Al,Zr4等强化相,有利于提高接头的强度.
参考文献
| [1] | 林肇琦.新一代铝合金--铝钪合金的发展概况[J].材料导报,1992(03):10-16. |
| [2] | 尹志民,姜锋,潘青林,郭飞跃,朱大鹏,宋练鹏,曾渝,王涛.Microstructures and mechanical properties of Al-Mg and Al-Zn-Mg based alloys containing minor scandium and zirconium[J].中国有色金属学会会刊(英文版),2003(03):515-520. |
| [3] | FILATOV Yu A;YELAGIN V I;ZAKHAROV V V .New Al-Mg-Sc alloys[J].Materials Science and Engineer A,2000,280(01):97-101. |
| [4] | 潘青林,尹志民,张传福.Sc和Zr复合微合金化在Al-Mg合金中的存在形式与作用[J].航空材料学报,2002(01):6-10. |
| [5] | K.L. Kendig;D.B. Miracle .Strengthening mechanisms of an Al-Mg-Sc-Zr alloy[J].Acta materialia,2002(16):4165-4175. |
| [6] | XU Guangxing,TAO Binwu,LIU Jianhua,LI Songmei.Corrosion behavior of an Al-6Mg-Sc-Zr alloy[J].稀有金属（英文版）,2005(03):246-251. |
| [7] | Cavaliere P .Effect of minor Sc and Zr addition on the mechanical properties of Friction Stir Processed 2024 aluminium alloy[J].Journal of Materials Science,2006(13):4299-4302. |
| [8] | S. Lathabai;P.G. Lloyd .The effect of scandium on the microstructure, mechanical properties and weldability of a cast Al-Mg alloy[J].Acta materialia,2002(17):4275-4292. |
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