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Evaluation of dynamic development of grain structure during friction stir welding of pure copper using a quasi in situ methodX.C.Liu,Y.F.Sun,T.Nagira,K.Ushioda,H.FujiiJoining and Welding Research..." name="ChDivSummary">By employing a quasi in situ method, we investigated the dynamic evolution of the grain structure considering the material flow, strain, and strain rate in the friction stir welding......
Thermo-mechanical Analysis of Friction Stir Welding:A Review on Recent AdvancesGaoqiang Chen,Shuai Zhang,Yucan Zhu,Chengle Yang,Qingyu ShiState Key Laboratory of Tribology, Department of Mechanical Engineering,Tsinghua University摘 要:In recent studies, critical research interest exists in the thermo-mechanical analysis of the friction stir welding(FSW......
,塑性好,广泛应用于航空航天,载运工具等领域.传统熔焊方法对其连接时容易产生气孔,热裂纹及HAZ软化等问题[1].搅拌摩擦焊(Friction stir welding,简称FSW)是英国焊接研究所(The welding institute)于1991年开发的一种针对高强铝合金焊接性差的新型固相焊接技术.与传统的焊接方法相比,FSW具有优质,高效,低耗,焊接变形小,无污染等特点[2]. 目前,国..., ZHANG Jie, XU Cheng, LI Shu-wei, NIU Yong. Effects of heat treatment after welding on friction stir welding joints of high-strength aluminum alloy[J]. The Chinese Journal of Nonferrous Metals, 2009......
Microstructure and Mechanical Properties of X80 Pipeline Steel Joints by Friction Stir Welding Under Various Cooling ConditionsG.M.Xie1,R.H.Duan1,P.Xue2,Z.Y.Ma2,H.L.Liu1,Z.A.Luo11. State Key...="ChDivSummary">X80 pipeline steel plates were friction stir welded(FSW) under air, water, liquid CO2 + water, and liquid CO2 cooling conditions, producing defect-free welds. The microstructural evolution......
of magnesium matrix composites materials[J]. Hot Working Technology, 2004(3): 58?61. [11] RHODES C G, MAHONEY M W, BINGEL W H. Effect of friction stir welding on microstructure of 7075 aluminum[J]. Scripta...的显微硬度,其结果与试验值相吻合. 关键词:镁合金；复合材料；搅拌摩擦加工；Ti颗粒 中图分类号:TB 331 文献标识码:A Preparation of Mg-AZ31 based composites with Ti particles by friction stir processing WANG Kai-dong1......
Microstructure and Mechanical Properties in Dissimilar Butt Friction Stir Welding of Severely Plastic Deformed Aluminum AA 1050 and Commercially Pure Copper SheetsH.Barekatain,M.Kazeminezhad... annealed and severely plastic deformed sheets were subjected to friction stir welding(FSW) at different rotation and traverse speeds.Cu was placed in advancing side.Constant offset of approximately 1 mm......
A Fully Coupled Thermomechanical Model of Friction Stir Welding(FSW) and Numerical Studies on Process Parameters of Lightweight Aluminum Alloy JointsSaad B.Aziz1,Mohammad W.Dewan1,Daniel... University摘 要:This paper presents a new thermomechanical model of friction stir welding which is capable of simulating the three major steps of friction stir......
搅拌摩擦焊二维数控焊接设备设计与仿真研究夏罗生1,朱树红1(1.湖南省张家界市张家界航空工业职业技术学院)摘 要:分析倾斜角度和倾斜方向对焊接的影响,研究二维曲线焊接对搅拌摩擦焊接设备运动的要求,设计基于数字控制的二维搅拌摩擦焊接设备,通过运动仿真分析,验证设备结构设计的可行性,从而解决国内搅拌摩擦焊设备不能焊接任意二维曲线的难题,推动搅拌摩擦焊技术在中国的进一步发展.关键词:搅拌摩擦焊； 二维曲线； 数字控制； 结构设计......
the heat to the bottom of joint, strength metal plastic flow and refine, uniform organization. Key words: 2524-T3 aluminum alloy; ultrasonic stir compound welding; friction stir welding; welding stability 基金项目:国家重点基础研究发展计划资助项目(2010CB731704) 收稿日期:2011-09-16；修订日期:2012-02-10 通信作者:贺地求,教授；电话:15211106298；E-mail: pengjianhong520150@163.com 搅拌摩擦焊(Friction stir welding,FSW)是英国焊接研究所发明的一种固相连接技术[1-3].搅拌摩擦焊在焊接铝,镁和铜等合......
; 微观组织; 焊接参数; 晶粒 中图分类号: TG44 文献标识码: A Microstructures and properties of friction stir welding joints for LF2 aluminum alloy WANG Xi-jing, A Rong, GUO Rui-jie, HAN Xiao-hui (State Key Laboratory of Advanced Non-ferrous Metal Materials, Gansu Province, Lanzhou University of Technology, Lanzhou 730050, China) Abstract: The welding of 10mm thick LF2 aluminum alloy in friction stir welding......
