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作者:Jianfeng Wang , Qingjie Sun , Jicai Feng ...
来源:[J].The International Journal of Advanced Manufacturing Technology(IF 1.205), 2017, Vol.90 (1-4), pp.413-420
摘要:Tungsten inert gas (TIG) narrow gap welding using magnetic arc oscillation is one of the most important methods for joining thick components. Today’s developments are aimed at increasing a sophisticated process understanding, especially concerning the physical effect of arc...
作者:Hongbin Dai , Xiuqiang Shen , Haoran Wang
来源:[J].Results in Physics, 2018, Vol.10, pp.917-922
摘要:Abstract(#br)In the paper, a self-made water-cooled copper plate device was used to measure and analyze the welding arc pressure of alternate argon supply under different frequencies of 1 Hz, 2 Hz, 4 Hz and argon and helium supply alternately under different frequencies of 1 Hz, ...
作者:Ham , Oh , Cho
来源:[J].Science and Technology of Welding and Joining(IF 1.274), 2012, Vol.17 (7), pp.594-600
摘要:Abstract(#br)Tungsten inert gas (TIG) welding is most frequently used for arc study because it is clean and easy to control welding factor. Many researchers have been focused on the plasma stream to find out the relationship between vertex angle and penetration of the tungsten el...
作者:Campbell , Galloway , McPherson
来源:[J].Science and Technology of Welding and Joining(IF 1.274), 2013, Vol.18 (7), pp.591-596
摘要:Abstract(#br)As part of an ongoing process to fully evaluate the effects of an alternating shielding gas supply on gas shielded welding processes, a comparison between the arc pressures generated using argon, helium, alternating shielding gases and pulsed gas tungsten arc welding...
作者:Oh , Kim , Cho
来源:[J].Science and Technology of Welding and Joining(IF 1.274), 2005, Vol.10 (4), pp.442-446
摘要:Abstract(#br)Arc pressure is an important factor in understanding physical arc phenomena, especially its effects on the penetration, size and shape of GTA welding. The purpose of the present study is to derive the current density distribution on the anode base metal from the meas...
作者:T. Q. Li , C. S. Wu
来源:[J].The International Journal of Advanced Manufacturing Technology(IF 1.205), 2015, Vol.78 (1-4), pp.593-602
摘要:Abstract(#br)A three-dimensional and transient model with keyhole geometry-dependent heat source and arc pressure distribution is developed for plasma arc welding process. The influence of the keyhole evolution on heat flux and arc pressure distribution on the keyhole wall is tak...
作者:H.G. Fan , Y.W. Shi
来源:[J].Journal of Materials Processing Tech.(IF 1.953), 1996, Vol.61 (3), pp.302-308
摘要:Abstract(#br)A two-dimensional axisymmetric numerical model has been developed to describe the heat transfer and fluid flow in the gas tungsten welding arc. The electrode-tip geometry is considered in the model and the cathode and arc column regions are included in the solution o...
作者:Bin Xu , Shinichi Tashiro , Fan Jiang ...
来源:[J].International Journal of Heat and Mass Transfer(IF 2.315), 2019, Vol.145
摘要:Abstract(#br)The plasma arc evolution and the physical mechanism associated with variable polarity plasma arc (VPPA) remain unclear, slowing down its process development and optimization. In this work, we revealed its increasing phenomenon in the initial segment of electrode nega...
作者:Campbell , Galloway , McPherson
来源:[J].Science and Technology of Welding and Joining(IF 1.274), 2013, Vol.18 (7), pp.597-602
摘要:... It was determined that argon produces a greater vertically downward force in the central region than does helium for both the arc force and Lorentz force. However, helium produces a greater radially outward force at the pool surface than does argon due to plasma shear stress ...
作者:Bin Xu , Shujun Chen , Fan Jiang ...
来源:[J].Journal of Manufacturing Processes, 2019, Vol.37, pp.519-528
摘要:Abstract(#br)The variable polarity plasma arc (VPPA) welding process is well suited for the welding of aluminum alloy, but the stable welding process and good-quality weld bead are difficult to be obtained in the flat position. The purpose of this work is to study the characteris...

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