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J. Cent. South Univ. Technol. (2007)04-0584-05 DOI: 10.1007/s11771-007-0112-2 Experimental study on preferential solution flow during dump leaching of low-grade ores YIN Sheng-hua(尹升华)1, WU Ai... solution flow during dump leaching of low-grade ores was studied. The formative mechanism of preferential solution flow was investigated through analyzing the relationship between permeability and ore......
Microstructure refining and property improvement of ZK60 magnesium alloy by hot rollingWANG Xin1, CHEN Wen-zhen1, HU Lian-xi1, WANG Guo-jun2, WANG Er-de1(1. School of Materials Science... the conventional long-time T5 aging treatment, and this can simplify the process flow and help to improve the efficiency for industrial production.Key words:ZK60 magnesium alloy; hot rolling; aging......
departing from edges, and the thinner sheets (below 10μm) are chiefly breaking from the inner surface. Key words: atomization; close-coupled nozzle; powder; flow structure CLC number: TF123.1 Document...; 1 INTRODUCTION High pressure gas atomization(HPGA), with high property and efficiency, is the leading method of producing fine spherical......
Article ID: 1003-6326(2005)03-0536-06 Microstructure and corrosion property of AZ61 magnesium alloy by electromagnetic stirring FANG Can-feng(房灿峰), ZHANG Xing-guo(张兴国), JI Shou... stirring during solidification on the microstructure and corrosion property of AZ61 magnesium alloy was investigated. The corrosion behaviour of AZ61 was studied in 3.5mol/L NaCl by measuring......
; Abstract: To improve the measurement performance, a method for diagnosing the state of vortex flowmeter under various flow conditions was presented. The raw sensor signal of the vortex flowmeter... was extracted, and the vortex energy ratio was proposed to analyze how the perturbation in the flow affected the measurement performance of the vortex flowmeter. The relationship between the vortex......
Flow field simulation of double layer atomizer ZHAO Wen-jun(赵文军), CAO Fu-yang(曹福洋), NING Zhi-liang(宁志良), SUN Jian-fei(孙剑飞) School of Materials Science and Engineering, Harbin Institute... and the secondary atomizer, on gas flow field were investigated by simulation. The effects of primary pressure on gas velocity at the centerline were compared. Water atomizing experiment was carried out to validate......
Structural characterization and property of in-situ synthesized AZ91-Mg2Si composite DONG Long-xiang(董龙祥)1,2, WU Yao-ming(吴耀明)2, DOU Chuan-guo(豆传国)2, XU Guo-gen(许国根)1, WANG Li-min(王立民) 1... matrix. The Vickers hardness of the composite is obviously higher than that of matrix of AZ91 alloy. Moreover, the composite exhibits excellent compressive property. The ultimate compressive strength......
J. Cent. South Univ. (2020) 27: 1158-1167 DOI: https://doi.org/10.1007/s11771-020-4356-4 Mechanical property and corrosion behavior of aged Cu-20Ni-20Mn alloy with ultra-high strength TANG Shuai... Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020 Abstract: The ultra-high strength Cu-20Ni-20Mn alloy was prepared by vacuum melting and its mechanical property and corrosion......
Interface structure and mechanical property of aluminum cooler vacuum brazing joint FENG Tao(冯 涛)1, LOU Song-nian(楼松年)1, WU Lu-hai(吴鲁海)1, LI Ya-jiang(李亚江)2 1. School of Materials... the maximum notch tensile strength of the brazing joint or the crack length reaches the critical value that the brazing joint fracture toughness property permits, the cooler will break sharply. Key words......
Flow ?eld simulation and establishment for mathematical models of flow area of spool valve with sloping U-shape notch machined by different methodsWang Zhao-qiang(王兆强)1, Gu Lin-yi(顾临怡)1, Ji Hong(冀宏)2... University of Technology, Lanzhou 730050, China)Abstract:Precise function expression of the flow area for the sloping U-shape notch orifice versus the spool stroke was derived. The computational......