共搜索到25656条信息，每页显示10条信息，共2566页。用时：0小时0分0秒421毫秒
High Temperature Oxidation Behavior of High Speed Steel for Roll in Water Vapor LIU Fang1,ZHOU Li1,SUN Da-le2,LIU Chang-sheng1 (1.College of Material & Metallurgy, Northeastern University, Shenyang 110004, China;2.BAOSHAN Iron & Steel CO., LTD. Technology Center, Shanghai 201900, China) 摘要:The oxidation behavior of high speed steel (HSS) was researched by high temperature thermo balance......
......
J. Cent. South Univ. Technol. (2008) 15(s1): 479-482 DOI: 10.1007/s11771-008-404-1 Influence of conductive additive on temperature susceptibility of asphalt binders WU Shao-peng(吴少鹏), LI Bo...: The effects of graphite on temperature susceptibility of asphalt binders were investigated by penetration test, Ring & Ball softening point test and viscosity test. And penetration index (IP), viscosity......
J. Cent. South Univ. Technol. (2007)04-0496-04 DOI: 10.1007/s11771-007-0096-y Numerical simulation of temperature and velocity fields in plasma spray FAN Qun-bo(范群波), WANG Lu(王 鲁... on the turbulence jet model, with respect to Ar-He mixture plasma gas injecting to ambient atmosphere, the temperature filed and velocity field under typical working conditions were investigated......
J. Cent. South Univ. (2017) 24: 861-865 DOI: 10.1007/s11771-017-3488-7 Breakdown characteristics of CF4 and CF4/N2 hybrid gas in refrigeration temperature range HOU Meng-xi(侯孟希)1, LI Wei-guo(李卫国)1... temperature range (153-243 K), especially in extremely cold regions. To solve this problem, this essay uses cubic equation combined with two-parameter model in theorem of corresponding states......
......
Effects of sintering pressure and temperature on microstructure and tribological characteristic of Cu-based aircraft brake material XIONG Xiang(熊 翔), SHENG Hong-chao(盛洪超), CHEN Jie(陈 洁... was prepared and the effects of sintering pressure and temperature on microstructure and tribological characteristic were investigated. For the constant sintering temperature, when the sintering......
Low Temperature Luminescence Properties of Tm3+ Doped Aluminate Phosphor Zhuang Weidong1,Huang Xiaowei1,Xia Tian1,Teng Xiaoming1,Zhao Chunlei1,Cui Xiangzhong1 (1.National Engineering Research... and UV emission spectra at 20, 50 and 100 K show that the low temperature luminescence intensities become weak gradually with the increasing of the temperature under 147 and 254 nm excitation......
NUMERICAL INVESTIGATION OF STRAIGHT-LINE LASER FORMING UNDER THE TEMPERATURE GRADIENT MECHANISM Z.Q. Yao1,J. Hu1,H. Shen1,Y.J. Shi1 (1.School of Mechanical and Power Engineering, Shanghai Jiaotong University, Shanghai 200030, China) Abstract:Laser forming is a new flexible and dieless forming technique. To achieve the high accuracy forming, the temperature gradient mechanism (TGM) is studied......
......
