Y
Yunhai Su
Researcher at Shenyang University of Technology
Publications - 16
Citations - 66
Yunhai Su is an academic researcher from Shenyang University of Technology. The author has contributed to research in topics: Welding & Microstructure. The author has an hindex of 2, co-authored 4 publications receiving 12 citations.
Papers
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Journal ArticleDOI
Microstructural evolution and mechanical properties of the Al–Cu dissimilar joint enhanced by stationary-dynamic shoulder friction stir welding
Jiaqing You,Jiaqing You,Yunqiang Zhao,Yunqiang Zhao,Chunlin Dong,Chunlin Dong,Miao Shu,Zhe Liu,Li Liu,Yunhai Su +9 more
TL;DR: In this paper, a feasible method of stationary-dynamic shoulder friction stir welding has been developed, which reduces the mixing of materials and inhibit the growth of IMCs during the Al-Cu welding process.
Journal ArticleDOI
Simulation and analysis of heat transfer and fluid flow characteristics of arc plasma in longitudinal magnetic field-tungsten inert gas hybrid welding
Zhengjun Liu,Yuhang Li,Yunhai Su +2 more
TL;DR: In this paper, an axisymmetrical model based on the magnetohydrodynamics (MHD) is established to investigate the effect of external longitudinal magnetic field (LMF) on arc characteristics during the gas tungsten arc welding (GTAW) process.
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Microstructure characteristics and mechanical properties of stationary shoulder friction stir welded 2219-T6 aluminium alloy at high rotation speeds
Jiaqing You,Jiaqing You,Yunqiang Zhao,Chunlin Dong,Chunlin Dong,Wang Chungui,Miao Shu,Yaoyong Yi,Yunhai Su +8 more
TL;DR: In this paper, a three-way converging zone in the joint, in which materials of different microstructure characteristics converged from three directions during high tool rotation speed welding, was found.
Journal ArticleDOI
Improving the microstructure and mechanical properties of Al-Cu dissimilar joints by ultrasonic dynamic-stationary shoulder friction stir welding
TL;DR: In this article , an ultrasonic dynamic-stationary shoulder friction stir method was designed to reduce the IMC thickness and residual stress, thereby enhancing the mechanical properties of Al-Cu joints.
Journal ArticleDOI
Numerical Modeling of Multiphysics Field in Conventional and Stationary Shoulder Friction Stir Welding of Al-Cu Alloy
Jiaqing You,Jiaqing You,Yunqiang Zhao,Yunqiang Zhao,Chunlin Dong,Chunlin Dong,Yaoyong Yi,Yunhai Su +7 more
TL;DR: In this article, a three-dimensional coupled thermo-mechanical model is developed to analyze the multiphysics field in both friction stir welding and stationary shoulder friction- stir welding at relatively high rotational speeds.