镁合金搅拌摩擦加工技术的研究进展

材料导报, 2013, 27(17): 138-142.

镁合金搅拌摩擦加工技术的研究进展

赵建华 ^1, , 马爱斌 ^2, , 江静华 ^3, , 宋丹 ^4, , 何青 ^5, , 周翔 ^6,

1.河海大学机电工程学院,常州213022;河海大学力学与材料学院,南京210098

2.河海大学力学与材料学院,南京210098

3.河海大学力学与材料学院,南京210098;河海大学海洋与近海工程研究院,南通226000

4.河海大学力学与材料学院,南京210098

5.河海大学力学与材料学院,南京210098

6.河海大学机电工程学院,常州213022

基金项目: 江苏自然科学基金(BK2010521) 南通市应用研究计划(BK2012042)

关键词：镁合金 , 搅拌摩擦加工 , 加工工艺 , 显微组织 , 力学性能

Development Progress of Friction Stir Processing for Mg Alloys

ZHAO Jianhua ^1, , MA Aibin ^2, , JIANG Jinghua ^3, , SONG Dan ^4, , HE Qing ^5, , ZHOU Xiang ^6,

1.河海大学机电工程学院,常州213022;河海大学力学与材料学院,南京210098

2.河海大学力学与材料学院,南京210098

3.河海大学力学与材料学院,南京210098;河海大学海洋与近海工程研究院,南通226000

4.河海大学力学与材料学院,南京210098

5.河海大学力学与材料学院,南京210098

6.河海大学机电工程学院,常州213022

Keywords： magnesium alloy , friction stir processing , processing technology , microstructure , mechanical property

大塑性变形是在块体金属变形过程中引入极大的应变量,能在有效细化金属晶粒的同时显著提高材料的强度与塑性.搅拌摩擦加工作为一种新型大塑性变形加工技术,在镁合金微观结构改性、细晶超塑性合金制备和镁基材料高性能化等方面有良好的应用前景.鉴于当前高性能镁合金的发展需求,对搅拌摩擦加工的技术特点、镁基材料加工后的显微组织及力学性能等方面的研究进展做了较详尽的综述,并展望了其工业应用前景.

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