Results 31 to 40 of about 28,253 (260)
Analysis of Fracture Modes of Resistance Spot Welded Hot-Stamped Boron Steel
Metals, 2018 Fracture modes of resistance spot welded ultra-high strength hot-stamped boron steel via lap-shear test are different from that of the traditional advanced high strength steel due to the difference in geometrical size and material property of the spot ...
Yixi Zhao, Yansong Zhang, Xinmin Lai
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Shanghai Jiaotong Daxue xuebao, 2023 A multi-shift tooling coordinated operation control strategy based on the backstepping method is investigated, a desired motion state planning scheme based on the improved artificial potential field method and the pure trajectory tracking method is ...
LIU Yuming, ZHAO Yong, DONG Zhengjian, WANG Ping, JI Yuqi
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Multi-Physics Field Coupling Simulation of Induction Leveling Process
Shanghai Jiaotong Daxue xuebao, 2023 The electromagnetic induction leveling method has the characteristics of high efficiency and easy operation. It has a good application prospect in the thin plate leveling process.
LIU Xuyang, CAI Changru, ZHAO Yixi, JU Liyang
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Numerical Simulation of Stamping-Spinning Hybrid Process for Aluminum Alloy Hemispherical Shells
Shanghai Jiaotong Daxue xuebao, 2023 Aimed at the poor accuracy in traditional deep drawing of aerospace aluminum alloy hemispherical shells, and by introducing metal spinning, a stamping-spinning hybrid process strategy for aluminum alloy hemispherical shells is proposed, which can achieve
YU Xiaopeng, WANG Zimin, YU Zhongqi, LUO Yimin, YU Li
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Experiment of Laser Assisted Shear Spinning for Aluminum Alloy Spherical Thin-Walled Parts
Shanghai Jiaotong Daxue xuebao, 2023 Thermal energy field is the main way to improve the formability and dimensional precision of components in sheet forming. In order to solve the temperature fluctuation of traditional heat sources, a well-controlled laser heat source was introduced into ...
RAN Jinyu, WANG Fengqi, YU Zhongqi, DU Chenyang, EVSYUKOV S A
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Online Motion Planning for Two Space Rigid Bodies with Rolling Constraints
Shanghai Jiaotong Daxue xuebao, 2021 The rolling restraint system between two space rigid bodies is a typical non-holonomic system. The incomplete characteristics can be used to simplify the mechanical structure and improve the reliability of the system. Aimed at the problems that the state
REN Shufeng, YANG Dan, YU Haidong, Wang Hao
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Crystals, 2023 The forming limit is an important failure criterion for polycrystalline sheet metals when approving the forming process. Recent developments in strain measurement technology, e.g., digital image correlation (DIC), enable the strain evolution to be ...
Ji He, Yishuang Feng
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Resistance rivet welding of multilayer dissimilar materials
Journal of Materials Research and Technology, 2023 Resistance rivet welding (RRW) process was applied to join three-sheet of Al/steel/steel. The formation mechanism, microstructure and mechanical performance of three-sheet dissimilar materials joints were studied in detail.
Sizhe Niu +7 more
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Performance Evaluation of Hard Rock TBMs considering Operational and Rock Conditions
Shock and Vibration, 2018 This paper focuses on studying the correlations of the performance of hard rock tunnel boring machines (TBMs) with operational and rock conditions. Firstly, a rigid-flexible coupled multibody dynamic model of an opening hard rock TBM is established for ...
Xiaoyang Zou, Hui Zheng, Yongzhen Mi
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Hybrid-Driven Origami Gripper with Variable Stiffness and Finger Length
Cyborg and Bionic SystemsSoft grippers due to their highly compliant material and self-adaptive structures attract more attention to safe and versatile grasping tasks compared to traditional rigid grippers.
Zhuang Zhang +9 more
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