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Numerical simulation in powder compaction of metallurgy component HUANG Chun-man(黄春曼), CHEN Pu-qing(陈普庆), SHAO Ming(邵 明), LI Yuan-yuan(李元元) College of Mechanical Engineering, South China.... A new flow stress model was presented by analyzing and summarizing the powder compact experiment with different initial densities. Compared with other models, the new model fits better......
Preparation of AZ91 alloy by powder metallurgy method JIANG Hai(姜 海)1, HE Xin-bo(何新波)1, QU Xuan-hui(曲选辉)1,2, I. S. HUMAIL2 , WANG Xi-tao(王西涛)2 1. School of Materials Science and Engineering... Received 28 July 2006; accepted 15 September 2006 Abstract: Magnesium alloy AZ91 was prepared by powder metallurgy method, and the effect of sintering temperature on the densities and microstructures......
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in the exploration of reactivity, it is found that the fluorescent intensity of complexes prepared by suspension polymerization increases significantly compared with the original particles, which is five times higher than that of the pure rare earth complex. Key words:rare earth complex; fluorescent property; reactivity; [全文内容正在添加中] ......
Optical Studies of Fluorescent Mesoporous Silica NanoparticlesSurbhi Kumari,P.D.SahareDepartment of Physics & Astrophysics,University of Delhi,New Delhi 110007,India摘 要:<正>Spherically shaped mesoporous silica nanoparticles(MSNs) having honeycomb like porous structure were synthesized by sol-gel method.Transmission electron microscopy(TEM),surface......
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