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:A 文章编号:1672-7207(2010)03-0977-05 Microstructure and mechanical properties of ADC12 aluminum alloy under super slow speed die castings with low shot speed...: Influences of low shot speed under die casting process of super slow speed(SSS) on microstructure and mechanical properties of ADC12 aluminum alloy were investigated in order to optimize SSS die......
J. Cent. South Univ. Technol. (2009) 16: 0690-0696 DOI: 10.1007/s11771-009-0114-3 Short-term forecasting optimization algorithms for wind speed along Qinghai-Tibet railway based on different...; Abstract: To protect trains against strong cross-wind along Qinghai-Tibet railway, a strong wind speed......
J. Cent. South Univ. (2012) 19: 2061-2066 DOI: 10.1007/s11771-012-1245-5 Lateral aerodynamic performance and speed limits of double-deck container vehicles with different structures LI Yan-fei(李燕飞..., Fluent was employed to do numerical simulation for lateral aerodynamic performance of 6-axis X2K double-deck container trains with two different loading forms, and speed limits of the freight trains were......
Effects of honing treatment on AIP-TiN and TiAlN coated end-mill for high speed machining Jae-Young HEO1, Sung-Hak CHO2, Tae-Jin JE2, Kwang-Ho KIM1, Hyung-Woo LEE1, Myung-Chang KANG1 1. National... and coated tools were conducted under high speed machining (HSM) of AISI D2 cold-worked die steel (62 HRC). Consequently, the TiAlN coated end-mill using honing treatment showed excellent tool life under......
speed LIM Sang-Heon1, KIM Jae-Hyun1, LEE Choon-Man2 1. Agency of Promoting Technology Innovation, Gyeongnam Technopark, Changwon 641-465, Korea; 2. School of Mechatronics, Changwon National.... The purpose of this study is the development of a CAD/CAM system and profile measuring device for a CNC grinding machine to obtain an optimal grinding speed with a constant surface roughness. Three types......
Compound control for speed and tension multivariable coupling system of reversible cold strip millFANG Yi-ming(方一鸣)1, 2, LIU Le(刘乐)1, LI Jian-xiong(李建雄)1, CHANG Ru(常茹)1(1. Key Laboratory... and Technology of Cold Strip Rolling(Yanshan University), Qinhuangdao 066004, China)Abstract:To weaken the nonlinear coupling influence among the variables in the speed and tension system of reversible cold strip......
度, 确定了该合金的超塑性本构关系. 关键词: 小冲杆试验; 大块非晶合金; 超塑性; 本构关系 中图分类号: TB302.5 文献标识码: A Super-plasticity of bulk metallic glass evaluated by small punch test ZHANG Zhi-hao, XIE Jian-xin (School of Materials... temperatures and punch velocities were investigated by the small punch test. Based on SPT load-displacement curves and combined with theoretical analysis, a method for determining super-plastic constitutive......
J. Cent. South Univ. (2012) 19: 380-383 DOI: 10.1007/s11771-012-1015-4
J. Cent. South Univ. Technol. (2011) 18: 573-579 DOI: 10.1007/s11771-011-0733-3 Optimum control strategy for all-variable speed chiller plant JIANG Xiao-qiang(蒋小强)1, 2, LONG Wei-ding(龙惟定)3, LI... to the chiller plant can bring a saving of 23.27% in power compared with the corresponding conventional variable speed plant, indicating that the optimal control strategy can improve the energy efficiency......
J. Cent. South Univ. (2016) 23: 2008-2023 DOI: 10.1007/s11771-016-3258-y