共搜索到4620条信息,每页显示10条信息,共462页。用时:0小时0分0秒426毫秒
Effect of microstructure on impact toughness of TC21 alloy CHEN Jun(陈军)1, ZHAO Yong-qing(赵永庆)1, ZENG Wei-dong(曾卫东)2 1. Northwest Institute for Nonferrous Metal Research, Xi’an 710016, China; 2...; Abstract: The impact toughness of TC21 alloy after different types of forging and heat treatments was studied. The results show that heat......
......
Effect of nonlinear impact damping with non-integer compliance exponent on gear dynamic characteristicsWU Li-juan(吴丽娟), TANG Jin-yuan(唐进元), CHEN Si-yu(陈思雨) (State Key Laboratory of High Performance Complex Manufacturing(Central South University), Changsha 410083, China)Abstract:A nonlinear impact damping model of single-degree-of-freedom spur cylindrical gear with backlash and time-varying......
Degradation mechanism of rock under impact loadings by integrated investigation on crack and damage developmentZHOU Zi-long(周子龙), JIANG Yi-hui(江益辉), ZOU Yang(邹洋), WONG Lei(翁磊) (School of Resources and Safety Engineering, Central South University, Changsha 410083, China)Abstract:Failure of rock under impact loadings involves complex micro-fracturing and progressive damage. Strength increase......
Defect-free surface of quartz glass polished in elastic mode by chemical impact reactionPENG Wen-qiang(彭文强)1, 2, GUAN Chao-liang(关朝亮)1, 2, LI Sheng-yi(李圣怡)1, 2(1. College of Mechatronics... by chemical bond generated by impact reaction in the elastic mode, so no defects are generated without mechanical process. Experiment was conducted on a numerically controlled system for nanoparticle jet......
J. Cent. South Univ. Technol. (2011) 18: 1677-1684 DOI: 10.1007/s11771-011-0888-y Combined effect of steel fibres and steel rebars on impact resistance of high performance concrete CHEN Xiang-yu..., Dalian 116023, China; 2. Centre of Mathematics, University of Minho, Braga 4700, Portugal ? Central South University Press and Springer-Verlag Berlin Heidelberg 2011 Abstract: The impact properties......
Effect of Rare Earths-Treated Glass Fiber on Impact Wear-Resistance of Metal-Plastic Multilayer Composites 程先华1,谢超英2,薛玉君1 (1.School of Materials Engineering, Shanghai Jiao Tong University;2.School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200030, China) Abstract:The friction and wear properties under impact load and dry friction conditions of metal-plastic......
......
......
J. Cent. South Univ. (2019) 26: 905-915 DOI: https://doi.org/10.1007/s11771-019-4059-x Train driver protection under secondary impact WANG Wen-bin(王文斌), ZHOU He-chao(周和超), ZHAN Jun(詹军) Institute... structural is established based on the finite element method. The secondary impact between train driver and control desk is fully analysed and two measures are proposed to reduce the driver injury severity......