... often coming into picture. Welding of thick section involves a longer processing time, more passes, and a higher heat-input. Double-pulsed gas metal arc welding (DP-GMAW) is an emerging welding technique, well suited for joining thick sections. DP-GMAW is capable of controlling the solidification...

...Cheng Luo; Yansong Zhang; Michael Oelscher; Yandong Shi; Niels Pasligh; Raphael Koch Application of additively manufactured steels is unavoidably involved in the resistance spot welding with conventionally manufactured steels. However, the microstructural evolution of an additive manufactured steel...

...Yu Ming Zhang; Yu-Ping Yang; Wei Zhang; Suck-Joo Na Welding is a major manufacturing process that joins two or more pieces of materials together through heating/mixing them followed by cooling/solidification. The goal of welding manufacturing is to join materials together to meet service...

...Uttam Kumar Mohanty; Abhay Sharma; Mitsuyoshi Nakatani; Akikazu Kitagawa; Manabu Tanaka; Tetsuo Suga The complexity in weld profile caused by abrupt change in polarity in square waveform welding is investigated through the development of a model capable to accurately predict weld profile. A semi...

...Kaifeng Wang; Piyush Upadhyay; Yuxiang Wang; Jingjing Li; Xin Sun; Timothy Roosendaal Friction stir scribe (FSS) welding as a recent derivative of friction stir welding (FSW) has been successfully used to fabricate a linear joint between automotive Al and steel sheets. It has been established...

...YunWu Ma; GuanZhong He; Ming Lou; YongBing Li; ZhongQin Lin Friction self-piercing riveting (F-SPR) process has shown advantages over fusion welding, solid state welding, and traditional mechanical joining processes in joining dissimilar materials. Because of the thermo-mechanical nature of F-SPR...

...Kaiyuan Wu; Zhuoyong Liang; Tong Yin; Zuwei He; Min Zeng A double pulse low-frequency modulation method was proposed to improve heat input control and enhance weld quality during high-power double-wire pulsed gas metal arc welding (GMAW). By constructing a mathematical model, relationships between...

...Yang Li; Jorge Arinez; Zhiwei Liu; Tae Hwa Lee; Hua-Tzu Fan; Guoxian Xiao; Mihaela Banu; S. Jack Hu Energy directors (EDs) have been widely used in ultrasonic welding (UW) of polymers and polymer-based composites. They help concentrate the welding energy and localize the weld at the location where...

... (Grant No. 2016YFB0101606-08). References [1] Liu , L. , Ren , D. , and Liu , F. , 2014 , “ A Review of Dissimilar Welding Techniques for Magnesium Alloys to Aluminum Alloys ,” Materials , 7 ( 5 ), pp. 3735 – 3757 . 10.3390/ma7053735 [2] Li , Y. , Ma , Y. , Lou...

.... 1 Corresponding author. Manuscript received February 16, 2017; final manuscript received May 19, 2017; published online July 18, 2017. Assoc. Editor: Wayne Cai. 16 02 2017 19 05 2017 Welding Joining Today's manufacturing industry is inclined toward evolving new...

...Dewang Zhao; Kunmin Zhao; Daxin Ren; Xinglin Guo The advancement in the application of light alloys such as magnesium and titanium is closely related to the state of the art of joining them. As a new type of solid-phase welding, ultrasonic spot welding is an effective way to achieve joints of high...

...Mingxuan Yang; Hao Zheng; Bojin Qi; Zhou Yang Butt welding tests of 1.5 mm thickness Ti–6Al–4V were treated by conventional gas tungsten arc welding (C-GTAW) and ultrahigh frequency pulse GTAW (UHFP-GTAW). The low cycle fatigue (LCF) experiments were conducted on the welded joints. The results...

...; published online October 19, 2016. Assoc. Editor: Wayne Cai. 31 10 2015 25 07 2016 Welding Joining Adhesively bonded composite joints have been widely used in various structural and mechanical applications due to their relative strength-to-weight ratio, which leads to weight...

...R. Cao; Q. W. Xu; H. X. Zhu; G. J. Mao; Q. Lin; J. H. Chen; Pei-Chung Wang In this study, cold metal transfer (CMT) plug welding of 1 mm thick Mg AZ31 to 1 mm thick hot-dipped galvanized mild steel (i.e., Q235) was studied. Welding tests were performed and the process variables optimized with Mg...

... not been modeled for dissimilar alloys. In the current work, the probabilistic model developed to predict DB time in similar titanium alloys is adapted for prediction of bonding time for Ti-64SG/Ti-6Al-2Sn-4Zr-2Mo SG dissimilar titanium alloys. Welding Joining Joining of dissimilar metals...

...] Bailey , N. S. , Tan , W. , and Shin , Y. C. , 2015 , “ A Parametric Study on Laser Welding of Magnesium Alloy AZ31 by a Fiber Laser ,” ASME J. Manuf. Sci. Eng. , 137 ( 4 ), p. 041003 . 10.1115/1.4029052 [2] Satoh , G. , Qiu , C. , Naveed , S. , and Yao , Y. L. , 2015...

...Jyoti K. Doley; Sachin D. Kore Friction stir welding (FSW) of AA 5052 H32 to AA 6061 T6 blanks was obtained for each thicknesses of 1 mm and 1.5 mm. Successful welds were obtained at constant tool spindle speed of 1500 rpm and two tool traverse speeds of 63 mm/min and 98 mm/min. For both...

... to join aluminum AA6061-T6 and bare mild steel with CMT plug welding. Welding tests were performed and the bonding mechanisms, fracture modes, and strengths of CMT plug welded joints were systematically characterized. It was found that it is feasible to join 1 mm thick bare mild steel-to-1 mm thick...

...Ruijie Wang; Hong-Tae Kang; Chonghua (Cindy) Jiang This work was undertaken to analyze the stress/strain state at the critical sites in friction stir welded specimens and, further, to assess the fatigue strength of friction stir welded specimens with conventional fatigue life prediction approaches...

...Haiyang Lei; Yongbing Li; Blair E. Carlson; Zhongqin Lin Dissimilar joining of aluminum to steel poses a challenge for arc welding. In this study, aluminum AA6061-T6 and hot dipped galvanized DP590 steel were joined using the Fronius cold metal transfer (CMT) welding process applying an edge plug...