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and liquidus temperature in the PbO-ZnO-CaO-SiO2-"Fe2O3" system, with the mass ratios of CaO/SiO2=1-1.6 and Fe/SiO2= 1.3-1.7, and 40% PbO and 8% ZnO, were carried out between 1273 and 1573 K. Slags were... by increasing CaO/SiO2 mass ratio and decreasing Fe/SiO2 mass ratio. Key words: lead slags; phase equilibria; liquidus temperature 1 Introduction The primary production of lead and zinc metal......
J. Cent. South Univ. Technol. (2008) 15(s1): 033-038 DOI: 10.1007/s11771-008-309-z Thermal-rheology effect and temperature field of engineering polymers LI Zhi-da (李之达)1, 2, WANG Hua-ping (王花平)2...) Abstract: The formation and evolution laws of the defect temperature field, heat dissipation in the process of defect evolution were studied. On the basis, the formation and evolution laws......
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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......
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Trans. Nonferrous Met. Soc. China 23(2013) 1602-1609 Effects of melt temperature on as-cast structure and mechanical properties of AZ31B magnesium alloy Shu-ying CHEN, Guo-wei CHANG, Yu-duo HUANG... temperature on the as-cast structure and mechanical properties of AZ31B magnesium alloy were studied through a home-made electrical resistance furnace. The results show that the equiaxed dendrite size of AZ31B......
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......
:1998-11-24 基金:国家自然科学基金!资助项目 593 74 1 58; Initial crystallization temperature and density at nonequal temperature of Na3AlF6-AlF3-LiF-CaF2 system under isosolubity of alumina Abstract: According to the regression equations of initial crystallization temperature (ICT) , the solubility of alumina and density at the temperature of 20 ℃ above its ICT of (2.23......
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......