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University摘 要:This work discusses tribological properties of commercial pure(CP)titanium processed by multi-directional forging(MDF)up to six passes at room......
-rod oscillation cylinder drives the tamping arm to realize vibration. A new spin valve was designed in order to fulfill dynamic state requirements of the oscillation cylinder. Parametric analysis... device can satisfy all kinds of complex working conditions with the flexible adjustment of frequency and amplitude.Key words:tamping device; spin valve; oscillation cylinder; electro-hydraulic......
Trans. Nonferrous Met. Soc. China 22(2012) 1939-1946 Comparison of microstructures and mechanical properties between forging and rolling processes for commercially pure titanium XU Chun1, ZHU... 10 November 2011; accepted 18 August 2012 Abstract: In order to reveal the differences caused by forging and rolling process for titanium ingots, hot compression behavior, mechanical properties......
by laser additive manufacturing and forging technology ZHANG Jin-liang(张金良)1, YE Jie-liang(叶界梁)1, SONG Bo(宋波)1,LI Rui-di(李瑞迪)2, SHI Yu-sheng(史玉升)1 1. State Key Laboratory of Materials Processing and Die... by laser additive manufacturing and forging technology was conducted. There are hole defects in LENS-fabricated Al7075 alloy with uniformly distributed η phase. No defects are observed in Al7075 forgings......
Influence of annealing on spin state of cobalt ions in La1-xSrxCoO3(0≤x≤0.5) system蒋丽珍1,许祝安21. College of Information and Electronic Engineering, Zhejiang Gongshang University2. Department of Physics..., and their variations with Sr doping and oxygen annealing condition were obtained.The result suggested that by assuming that the Co3+ ions were in the intermediate-spin(IS) state, most of the Co4+ ions in the as-prepared......
the glass structure were investigated by magic angle spin nuclear magnetic resonance(MAS NMR) spectroscopy and differential thermal analysis (DTA). It is found that, in B2O3-Al2O3-SiO2 glass, the boron... coordination sites in the glass structure. Key words:glass forming; glass structure; magic angle spin nuclear magnetic resonance; boro-alumino-silicate glass; rare earths; [全文内容正在添加中] ......
investigated systematically.The obtained results indicated that during unidirectional impact forging,a bimodal chain deform microstructure was sustained till last forging pass,whereas {10–12} extension twins-assisted continuous dynamic recrystallization took place during the multidirectional impact forging(MDIF).The coalescence and intersection of {10–12} extension twins during MDIF efficiently refined......
3D FEA simulation of 4A11 piston skirt isothermal forging process DONG Wan-peng(董万鹏), CHEN Jun(陈 军) Department of Plasticity Engineering, Shanghai Jiao Tong University, Shanghai 200030, China... interests, which may benefit energy conservation and environmental protection. Another technical renovation is about manufacturing process. Forging is adopted to substitute for casting to gain a better......
Semisolid die forging process,microstructures and properties of AZ31 magnesium alloy mobile telephone shellsRen-guo Guan1),Li-qing Chen2),Fu-rong Cao1),Zhan-yong Zhao1),and Yong Ren2) 1) College...="ChDivSummary">A semisolid slurry of AZ31 magnesium alloy was prepared by vibrating wavelike sloping plate process,and the semisolid die forging process,microstructures,and properties of the magnesium alloy......
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