利用搅拌摩擦焊对SiCp/2024Al铝基复合材料进行了焊接.采用急停实验分析母材瞬间移动行为.利用金相显微镜,TEM观察接头组织.接头显微组织分析表明,接头中形成V字型结构,且SiC颗粒因焊缝位置不同而分布不均匀.在热机影响区中,SiC出现偏析;在焊核区,SiC颗粒较少.若参数选择不当,焊核中心区出现了颗粒消失现象.焊缝不同位置透射电镜分析表明,SiC/Al界面结合清晰,无脆性相生成,并在其中发现了破碎的SiC颗粒.
参考文献
| [1] | 张国定;赵昌定.金属基复合材料[M].上海:上海交通大学出版社,1999 |
| [2] | 张大童,李元元,龙雁.铝基复合材料研究进展[J].轻合金加工技术,2000(01):5-10. |
| [3] | 王文明,潘复生,Lu Yun,曾苏民.碳化硅颗粒增强铝基复合材料开发与应用的研究现状[J].兵器材料科学与工程,2004(03):61-67. |
| [4] | SHINODA S;TAKESHI M .Recent development of friction stir welding-new solid state joining technology[J].International Journal Mater Product Technol,2001,2:453-460. |
| [5] | Wylde J.G.;, .Friction Stir Welding Creating Opportunities for the Future[J].軽金属,1999(6):189-197. |
| [6] | THOMAS W M;NICHOLAS E D;NEEDHAM J C et al.Friction Stir Butt Welding:[P].UK,9125978,1991-12-06. |
| [7] | JOHN A W .Microstructure of friction stir weld joints between an aluminum-base metal matrix composite and a monolithic aluminum alloy[J].Scripta Materialia,2003,49:607-612. |
| [8] | A. Squillace;A. De Fenzo;G. Giorleo .A comparison between FSW and TIG welding techniques: modifications of microstructure and pitting corrosion resistance in AA 2024-T3 butt joints[J].Journal of Materials Processing Technology,2004(1):97-105. |
| [9] | 张华,林三宝,吴林,冯吉才,郭和平.镁合金AZ31搅拌摩擦焊接头的微观组织[J].中国有色金属学报,2003(06):1510-1513. |
| [10] | Hwa Soon Park;Takahiro Kimura;Taichi Murakami;Yoshitaka Nagano;Kazuhiro Nakata;Masao Ushio .Microstructures and mechanical properties of friction stir welds of 60% Cu-40% Zn copper alloy[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2004(1/2):160-169. |
| [11] | Seung Hwan C. Park;Yutaka S. Sato;Hiroyuki Kokawa .Effect of micro-texture on fracture location in friction stir weld of Mg alloy AZ61 during tensile test[J].Scripta materialia,2003(2):161-166. |
| [12] | 贺幼生.7075铝合金的搅拌摩擦焊组织性能研究[J].株洲工学院学报,2006(02):56-58. |
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