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Trans. Nonferrous Met. Soc. China 29(2019) 270-278 Effect of prestressed ultrasonic peen forming parameters on bending curvature and spherical deformation of plate Tao ZHANG1,2, Lei LI1, Shi-hong LU1... Performance Complex Manufacturing, Central South University, Changsha 410083, China Received 9 January 2018; accepted 19 June 2018 Abstract: The elastic prestressed ultrasonic peen forming (UPF......
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Effects of electric field treatment on microstructures ofGH4199 superalloy after long-term aging LIU Yang(刘 杨)1, WANG Lei(王 磊)1, WANG Shuai(王 帅)1,QIAO Xue-ying(乔雪璎)2, WANG Yan-qing(王延庆)2 1. Key... Received 28 July 2006; accepted 15 September 2006 Abstract: The effects of electric field intensity and treatment temperature on the microstructures of GH4199 superalloy after long-term aging were......
不均匀,对焊接工具头进行微调处理,直至白纸上的压痕清晰均匀为止. 图1 超声焊接试验装置 Fig. 1 Ultrasonic welding test equipment 焊接试验采用单一变量法,在固定其他焊接参数条件下,进行不同超声振幅,焊接压力,焊接时间,材料厚度的超声焊接试验.探究不同工艺参数对异种合金焊接效果的影响. 1.2 抗拉剪切强度力学性能测试试..., UEOKA T, KIKUCHI Y. Configuration of large capacity ultrasonic complex vibration sources with complex transverse vibration rods and a disk with multiple transducers[J]. JSME International Journal, 2006......
texture of Ag-Ni and Ag-Fe powders by ultrasonic arc spray QIN Guo-yi1, WANG Jian-hua2, ZHAO Huai-zhi3, NING Yuan-tao3, XU Si-yong1, GUO Jin-xin1 (1. Research Centre of Advanced..., China) Abstract: Ag-10Ni and Ag-5Fe alloy powders were prepared by ultrasonic arc spray atomization process. The microstructure of the rapidly solidified alloy powders was investigated......
Interface structure of ultrasonic wedge bonding joints of Ni/Al LI Jun-hui(李军辉), HAN Lei(韩 雷), ZHONG Jue(钟 掘) (School of Mechanical-Electronical Engineering, Central South University, Changsha 410083, China) Abstract: Nickel plated on a copper plate was selected as a bond surface for ultrasonic aluminum wedge bonds, and a series of experiments were carried out to study......
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case[J]. Ordnance Material Science and Engineering, 2014, 37(4): 108-111. [8] LEE J R, TAKATSUBO J, TOYAMA N, KANG D H. Health monitoring of complex curved structures using an ultrasonic wave field...增益尺寸 中图分类号:TG115.28 文献标志码:A Ultrasonic method for accurately sizing flaws in magnesium alloy shell YANG Yue1, DAI......
Numerical simulation of solidification process of Sn-3.5%Pb hollow billet with stirring magnetic field ZHANG Qi(张 琦), WANG Tong-min(王同敏), LI Ting-ju(李廷举), JIN Jun-ze(金俊泽) State Key Laboratory...: In order to study the effect of the stirring flow on the grain diameter and solute concentration of hollow billet, the couple model of the two-phase solidification and electromagnetic field was built......
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