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材料工程  2015, Vol. 43 Issue (5): 8-12    DOI: 10.11868/j.issn.1001-4381.2015.05.002
  材料与工艺 本期目录 | 过刊浏览 | 高级检索 |
工艺参数对铝合金搅拌摩擦增材制造成形的影响
王忻凯, 邢丽, 徐卫平, 黄春平, 刘奋成
南昌航空大学 轻合金加工科学与技术国防重点学科实验室, 南昌 330063
Influence of Process Parameters on Formation of Friction Stir Additive Manufacturing on Aluminum Alloy
WANG Xin-kai, XING Li, XU Wei-ping, HUANG Chun-ping, LIU Fen-cheng
National Defense Key Disciplines Laboratory of Light Alloy Processing Science and Technology, Nanchang Hangkong University, Nanchang 330063, China
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摘要 采用4mm厚的5A03-H铝合金板材作为基材,利用无倾角成形工具,进行搅拌摩擦增材制造工艺实验,研究工艺参数对增材区成形的影响.结果表明:随着行进速度提高,单道增材宽度、界面迁移高度和迁移宽度值均减小.当行进速度为60mm/min时,界面迁移量较小,单道增材宽度较大.增材间距大时,会有两道次间的未结合界面和迁移界面缺陷;随间距减小,未结合界面逐渐转变成迁移界面;当间距达到某个值时,迁移界面消失.为了得到成形良好的增材区,必须优化增材加工的间距.逆向增材与同向增材相比,能有效地抑制并消除向增材区中心迁移的界面,因此可获得较大的有效增材宽度.
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王忻凯
邢丽
徐卫平
黄春平
刘奋成
关键词 搅拌摩擦增材制造铝合金工艺参数界面迁移    
Abstract:The friction stir additive manufacturing (FSAM) process experiment was conducted by using the zero tilt angle forming tool with 4mm thickness plates of Al alloy 5A03-H. The influence of the process parameters on the formation of FSAM zone was investigated. The results show that as the traveling speed increases, the width of single pass as well as the migration height and width of interface all decrease. When the traveling speed is 60mm/min, migration of interface is small and the width of single pass is bigger. When the FSAM space is big, there are uncombined interface and migration interface defects between two adjacent passes. As the space decreases, uncombined interface gradually transforms into migration interface. When the FSAM space reaches a definite value, migration interface disappears. In order to achieve excellent FSAM zone, the FSAM space must be optimized. Compared with the same direction FSAM, the reverse direction FSAM can effectively restrain and eliminate the interface migrating to the center of FSAM zone, thus, the more effective width of FSAM zone can be obtained.
Key wordsfriction stir additive manufacturing    Al alloy    process parameter    interface migration
收稿日期: 2014-12-16     
1:  TG146.2+1  
  TG456  
基金资助:国家自然科学基金(51364037,51465044);江西省高等学校科技落地计划项目(KJLD12074,KJLD13055);航空科学基金(20140956003)
通讯作者: 邢丽(1959-),女,教授,硕士生导师,研究方向:焊接冶金、焊接力学、电弧焊工艺和搅拌摩擦焊技术,联系地址:江西省南昌市丰和南大道696号南昌航空大学航空制造工程学院(330063),xingli_59@126.com     E-mail: xingli_59@126.com
引用本文:   
王忻凯, 邢丽, 徐卫平, 黄春平, 刘奋成. 工艺参数对铝合金搅拌摩擦增材制造成形的影响[J]. 材料工程, 2015, 43(5): 8-12.
WANG Xin-kai, XING Li, XU Wei-ping, HUANG Chun-ping, LIU Fen-cheng. Influence of Process Parameters on Formation of Friction Stir Additive Manufacturing on Aluminum Alloy. Journal of Materials Engineering, 2015, 43(5): 8-12.
链接本文:  
http://jme.biam.ac.cn/jme/CN/10.11868/j.issn.1001-4381.2015.05.002      或      http://jme.biam.ac.cn/jme/CN/Y2015/V43/I5/8
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