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glass systems for high-power laser gain medium have posed a great challenge.Therefore, we investigated the 2.7 μm spectroscopic properties of Er3+/Yb3+ -codoped oxyfluoride glass containing gallium...Efficient improvement of 2.7 μm luminescence of Er3+:oxyfluoride glass containing gallium by Yb3+ ions codopingYapei Peng1,Xinqiang Yuan2,Long Zhang2,Peiguang Yan1,Wenfei Zhang1,Shuangchen Ruan11......
Morphology and structure of high temperature MoSi2 coating on niobium XIAO Lai-rong(肖来荣), YI Dan-qing(易丹青), YIN Lei(殷 磊), CAI hi-gang(蔡志刚) (College of Materials Science and Engineering, Central South University, Changsha 410083, China) Abstract: The high-temperature oxidation-resistant MoSi2 coating on the Nb substrate was prepared by slurry firing. The structure, compositions and phase......
Trans. Nonferrous Met. Soc. China 22(2012) s512-s518 Manufacturing of complex high strength components out of high nitrogen steels at industrial level Hannes NONEDER, Marion MERKLEIN Chair of Manufacturing Technology, EgerlandstraΒe 13, 91058 Erlangen, Germany Received 28 August 2012; accepted 25 October 2012 Abstract: High performance components, e.g., fasteners, nowadays are usually made out......
Synthesis of crystalline γ-Al2O3 with high purity YI Jian-hong(仪建红)1, SUN You-yi(孙友谊)1, GAO Jian-feng(高建峰)2, XU Chun-yan(徐春彦)2 1. College of Materials Science and Engineering, North... by the precipitation of sodium aluminate and oxalic acids in aqueous solution. And then γ-AlO(OH) was successfully transferred to γ-Al2O3 after subsequent high temperature heat treatment. The effects......
Gas solid techniques for preparation of pure lanthanum hexaborideMukherjee A.,Gulnar A.K.,Sahoo D.K.,Krishnamurthy N.Materials Group, Bhabha Atomic Research Centre, Mumbai-400085, India摘 要:high temperatures or reactions which require the product boride to be leached out. Each of these techniques either increases......
Thermodynamic analysis of production of high purity titanium by thermal decomposition of titanium iodide CHEN Xiao-hu(陈肖虎)1, 2, WANG Hua(王 华)1, LIU Yi-min(刘义敏)2, FANG Min(方 敏)2 1...; Abstract: High purity titanium was prepared by thermal decomposition of titanium iodide. The feasible synthetic route and optimum decompositon temperaure were obtained......
Characterization of microarc oxidation coatings on pure titaniumXUE Wenbin, WANG Chao, Li Yongliang, and CHEN RuyiKey Laboratory for Beam Technology and Materials Modification, Institute of Low... produced on the surface of pure titanium by alternating-current microarc discharge in aluminate solution were investigated by X-ray diffraction and scanning electron microscopy. The profiles......
Effect of the simultaneous application of a high static magnetic field and a low alternating current on grain structure and grain boundary of pure aluminumChengshuai Li1,Shaodong Hu1,Zhongming Ren1,Xi Li1,21. State Key Laboratory of Advanced Special Steels,Shanghai University摘 要:Effect of the simultaneous application of a high static magnetic field......
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DYNAMIC COMPACTION OF PURE COPPER POWDER USING PULSED MAGNETIC FORCE H.P. Yu1,C. F. Li1 (1.National Key Laboratory for Precision Hot Processing of Metals, Harbin Institute of Technology, Harbin 150001, China) Abstract:The compaction of pure Cu powder was carried out through a series of experiments using dynamic magnetic pulse compaction, and the effects of process parameters, such as discharge......
