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In-Situ Synthesis of AlN Powders and Composite AlN Powders with Yttrium Addition 周美玲1,李春国2,林志浪1,郑新和3,王群1 (1.School of Material Sciences and Engineering, Beijing Polytechnic University, Beijing.... Composite AlN powders consist of AlN phases and rare earth oxide Y2O3 phase. The distribution of particle size of AlN powders shows two peaks. In view of packing factor, AlN powders with such size......
Effect of yttrium,calcium and zirconium on ignition-proof principle and mechanical properties of magnesium alloys樊建锋1,2,3,陈志远1,2,3,杨伟东1,2,3,方爽1,2,3,许并社1,2,31. Key laboratory of Interface Science... and elongation of 11%.Auger electron spectros-copy(AES) and X-ray diffraction(XRD) analysis revealed that the oxide film formed on the surface of Mg-3.5Y-0.8Ca alloy was mainly composed......
Effect of yttrium,calcium and zirconium on ignition-proof principle and mechanical properties of magnesium alloys樊建锋1,2,3,陈志远1,2,3,杨伟东1,2,3,方爽1,2,3,许并社1,2,31. Key laboratory of Interface Science... and elongation of 11%.Auger electron spectros-copy(AES) and X-ray diffraction(XRD) analysis revealed that the oxide film formed on the surface of Mg-3.5Y-0.8Ca alloy was mainly composed......
Investigation of Adhesion and Fracture Toughness of Thermally Grown Oxide Scales by Interface Indentation Test P. Lours1,QI Yu-hong2,p. Bruckel1,ZHANG Zhan-ping2 (1.Research Centre on Tools... grown oxide scales for pure nickel were investigated using Vickers indentation technique. The nickel samples were oxidised at 1200℃ for 100h-600h. The crack length induced by Vickers indentation test......
Influence of yttrium on laser surface alloying organization of 40Cr steel吴岸琪1,刘其斌2,秦水介11. The Key Laboratory for Photoelectric Technology and Application,Guizhou University2. College of Materials... of40Cr steel roller substrates for the laser surface alloying treatment by a CO2 laser,The results showed that many good consequences were obtained after adding the rare earth oxide Y2O3.The crystal......
Influence of yttrium on laser surface alloying organization of 40Cr steel吴岸琪1,刘其斌2,秦水介11. The Key Laboratory for Photoelectric Technology and Application,Guizhou University2. College of Materials... of40Cr steel roller substrates for the laser surface alloying treatment by a CO2 laser,The results showed that many good consequences were obtained after adding the rare earth oxide Y2O3.The crystal......
Application of Stereology on Neodymium-Doped Yttrium Aluminum Garnet (Nd: YAG) Transparent Ceramics Shao Jing1,Jing Min2,Zhang Huashan1,Zhang Hongbo1,Su Chunhui1,Hou Zhaoxia1,Song Qiong1 (1.School...:neodymium doped yttrium aluminum garnet; transparent ceramics; stereology; microstructure; rare earths; [全文内容正在添加中] ......
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Mechanical Properties, Purifying Techniques and Processing Methods of Metal Yttrium Jin Hong1,Sun Guoqiang1 (1.Beijing Research Institute of Mechanical and Electrical Technology, Beijing 100083, China) Abstract:The mechanical properties of metal yttrium such as strength, plasticity, hardness and elasticity were introduced. The purifying techniques of yttrium were discussed in detail......
Effects of yttrium on microstructures and properties of Ti-17Al-27Nb alloy CHEN Yu-yong(陈玉勇)1, SI Yu-feng(司玉锋)1, KONG Fan-tao(孔凡涛)1, LIU Zhi-guang(刘志光)1, LI Jun-wen(李军文)2 1. School...; Abstract: The effects of rare earth yttrium......