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Effects of rare earth addition on sintering process and dielectric property of cordierite based glass-ceramics CHEN Guo-hua(陈国华)1, 2, LIU Xin-yu(刘心宇)1, 2 (1. Department of Materials Science... of rare earth oxide on the sintering and dielectric property of cordierite-based glass-ceramics with non-stoichiometric composition prepared by quenching of molten droplets were investigated. The results......
. In this article some experimental results of two different kinds of aluminum alloys are presented, and the weld is made into samples after FSW. The flow property of the friction stir welded material... Plastic flow pattern and its effect infriction stir welding of A2024 and A1060 WANG Xi-jing(王希靖), ZHANG Zhong-ke(张忠科), LI Jing(李 晶), DA Chao-bing(达朝炳) State Key Laboratory of Gansu Advanced Non......
J. Cent. South Univ. Technol. (2009) 16: 0738-0742 DOI: 10.1007/s11771-009-0122-3 Deformation division of metal flow behavior during extrusion process of 7075 aluminum alloy LI Feng(李 峰)1, CHU...; Abstract: To reduce defects caused by non-homogeneous metal flow in conventional extrusion, a die with guiding angle was designed to improve the metal flow behavior......
Influence of Nano-TiO2 on Property of Dacrotized Coating YANG Qiang1,WU Zhi-yong1,GAO Fu-quan1 (1.China Academy of Engineering Physics, Mianyang 621900, Sichuan, China) 摘要:The influence of nano-TiO2 to the property of Dacrotized coating was studied in this paper. The complex film obtained by Dacrotized coating modified by TiO2with particle size 30 ~50 nm has no obvious change in appearance......
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Emission property of Y2O3-doped Mo secondary emitter WANG Jin-shu(王金淑), LIU Wei(刘 伟), LI Hong-yi(李洪义), GAO Fei(高 非), REN Zhi-yuan(任志远), ZHOU Mei-ling(周美玲) School of Materials Science... grain size. Y2O3-doped Mo emitter with small grain size prepared by liquid-liquid doping exhibits high emission property, i.e., the secondary electron yield can get to 5.24, about 1.7 times that prepared......
measures for instable backfilling roof, including optimum of appropriate filling materials and dosage for excellent flow property and reduction of backfill cost. It is proved that slope equation..., which is helpful for cost reduction and quality increase. 4 Flow pattern of slurry in stope Backfilling slurry should have excellent flow property in order to reduce cost and increase quality......
J. Cent. South Univ. (2017) 24: 1443-1449 DOI: 10.1007/s11771-017-3548-z Differential amplification method for flow structures analysis of centrifugal pump between design and off-design points ZHANG..., Changsha 410208, China Central South University Press and Springer-Verlag Berlin Heidelberg 2017 Abstract: The three-dimensional internal flow field of centrifugal pump is complex and variable......
J. Cent. South Univ. Technol. (2008) 15: 276-279 DOI: 10.1007/s11771-008-0051-6 Seismic failure mechanisms for loaded slopes with associated and nonassociated flow rules YANG Xiao-li(杨小礼), SUI... bound method of limit analysis and finite difference method of numerical simulation, considering the influence of associated and nonassociated flow rules. Quasi-static representation of soil inertia......
J. Prediction of steel flow stresses at high temperatures and strain rates [J]. Metallurgical transactions A, 1991, 22A: 1545-1558. [19] HODGSON P D. Microstructure modeling for property prediction...J. Cent. South Univ. Technol. (2008) 15: 575-580 DOI: 10.1007/s11771-008-0108-6 Hot deformation behaviors and flow stress model of GCr15 bearing steel LIAO Shu-lun(廖舒纶)1, 2, ZHANG Li-wen(张立文)1......