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Preparation of ZrO2 spherical nanometer powders by emulsion processing route CHANG Ying(常 鹰), LI Xi-bin(李溪滨) State Key Laboratory of Powder Metallurgy, Central South University, Changsha... processing route display smaller particles with more even size distribution, the average size of around 15 nm. Key words: zirconia; emulsion; spherical nanometer particles 1 Introduction Zirconia......
J. Cent. South Univ. (2019) 26: 2704-2716 DOI: https://doi.org/10.1007/s11771-019-4207-3 A precision generating hobbing method for face gear with assembly spherical hob WANG Yan-zhong(王延忠)1, CHU...: In order to improve the processing precision and shorten the hob manufacturing cycle of the face gear, a precision generating hobbing method for face gear with the assembly spherical hob is proposed......
Spherical YAG:Ce3+ Phosphor Particles Prepared by Spray Pyrolysis Zhu Xianzhong1,Qi Faxin1,Wang Haibo1 (1.College of Materials Science and Engineering, Nanjing University of Technology, Nanjing 210009, China) Abstract:Spherical YAG:Ce3+ phosphor particles with narrow size distribution were prepared by spray pyrolysis. The effects of the concentration of solution, the flow rate of carrier gas......
J. Cent. South Univ. Technol. (2011) 18: 1133-1138 DOI: 10.1007/s11771-011-0814-3 Static characteristics of new type externally pressurized spherical air bearings WANG Fu-sheng(王福生), BAO Gang(包钢... to provide some theoretical guideline for the structure design of the new type externally pressurized spherical air bearings, the static characteristics and the factors affecting the static......
Constitutive model for casting magnesium alloy involving spherical void evolution CHEN Bin(陈 斌), PENG Xiang-he(彭向和), FAN Jing-hong(范镜泓), SUN Shi-tao(孙士涛) Department of Engineering Mechanics... and the constitutive relation involving the void evolution. By assuming the voids in casting magnesium alloys were spherical, the growth equation of the voids was obtained from the incompressibility......
Effect of Ca on crystallization of Mg-based master alloy containing spherical quasicrystal ZHANG Jin-shan(张金山), DU Hong-wei(杜宏伟), LU Bin-feng(卢斌峰), ZHANG Yan(张 焱), LIANG Wei(梁 伟), XU Chun-xiang...; Abstract: Spherical icosahedral......
Zonal disintegration mechanism ofisotropic rock masses around a deep spherical tunnelGU Xin-bao(谷新保)1, 2, BI Jing(毕靖)1, XU Ming(许明)1(1. School of Civil Engineering, Chongqing University, Chongqing... of isotropic rock masses around a deep spherical tunnel, a new mechanical model subjected to dynamic unloading under hydrostatic pressure condition is proposed. The total elastic stress-field distributions......
of spherical Ni(OH)2 PENG Mei-xun(彭美勋)1,2, SHEN Xiang-qian(沈湘黔)2,3 (1. School of Geoscience and Environmental Engineering, Central South University, Changsha 410083, China; 2. Changsha Research... of spherical Ni(OH)2 particles synthesized by the aqueous precipitation-crystallization method were investigated by SEM, TEM and XRD, and their growth mechanism was discussed. With the reaction beginning......
High Temperature Performances of Spherical Nickel Hydroxide with Additive Y2O3 阎杰1,叶茂1,米欣1,高学平1,魏进平1 (1.Institute of New Energy Material Chemistry, Nankai University, Tianjin 300071, China... temperatures were studied. It is found that the specific capacities of the spherical Ni(OH)2 with Y2O3 as additive are much higher than those of the regular at higher temperatures. The specific capacity......
J. Cent. South Univ. (2017) 24: 533-545 DOI: 10.1007/s11771-017-3456-2 Modeling and verification of comprehensive errors of real-time wear-depth detecting for spherical plain bearing tester LI Wei(李巍), HU Zhan-qi(胡占齐), YANG Yu-lin(杨育林), FAN Bing-li(范兵利), ZHOU Hai-li(周海丽) Aviation Key Laboratory of Science and Technology on Generic Technology of Aviation Self-Lubricating Spherical Plain Bearing......
