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Effect of nitrogen introduction methods on the microstructure and properties of gradient cemented carbidesTian-en Yang,Ji Xiong,Lan Sun,Zhi-xing Guo,and Ding Cao School of Manufacturing Science... powder metallurgical pro-cedures.Gradient zone formation and the influence of nitrogen introduction methods on the microstructure and performance of the alloys were investigated.The results show......
Surface modification of (Tb,Dy)Fe2 alloy by nitrogen ion implantation王海波,张世荣,于敦波,李扩社,罗阳National Engineering Research Center for Rare Earth Materials, General Research Institute for Nonferrous Metals... and magnetostriction of (Tb,Dy)Fe2 alloy were investigated by nitrogen ion implantation. Results showed that the surface REFe2 phase gradually decomposed and transformed into REN, α-Fe and Fe8N phases......
Effects of Nitrogen Atmosphere on Microstructure and Mechanical Properties of Ti(C0.5N0.5)-based Cermets曹潜,叶金文,LIU Ying,PANG Jia,QIU Weibin,QIU YuchongSchool of Materials Science and Engineering, Sichuan University摘 要:The traditional low-pressure sintering was optimized for the preparation of Ti(C0.5N0.5)-WC-Mo2 C-TaC-Co-Ni cermets. Nitrogen......
Micro-segregation and Precipitation of Alloy 690 during Isothermal Solidification:the Role of Nitrogen ContentRong Jiang,Bo Chen,Xianchao Hao,Yingche Ma,Shuo Li and Kui Liu Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China摘 要:The segregation and precipitation behavior of Alloy 690 containing 0.001-0.11 wt% nitrogen during......
Rare earth doping effects on superconducting properties of MgB2:A reviewWenxian Li1,2,3,Jixiang Kang1,Siwei Fu1,Yemin Hu1,2,Pengfei Hu1,Mingyuan Zhu1,2,Ying Li1,21. Institute of Materials... of the superconductivity of MgB2. The doping effects of RE elements and RE compounds are summarized in terms of different doping methods and the accompanying variations in the superconducting transition temperature......
Rare earth doping effects on superconducting properties of MgB2:A reviewWenxian Li1,2,3,Jixiang Kang1,Siwei Fu1,Yemin Hu1,2,Pengfei Hu1,Mingyuan Zhu1,2,Ying Li1,21. Institute of Materials... of the superconductivity of MgB2. The doping effects of RE elements and RE compounds are summarized in terms of different doping methods and the accompanying variations in the superconducting transition temperature......
Doping Silicon Wafers with Boron by Use of Silicon PasteYu Gao,Shu Zhou,Yunfan Zhang,Chen Dong,Xiaodong Pi,Deren YangState Key Laboratory of Silicon Materials,Department of Materials Science and Engineering,Zhejiang University摘 要:<正>In this work we introduce recently developed silicon-paste-enabled p-type doping for silicon.Boron-doped silicon......
Treatment of nickel-ammonia complex ion-containing ammonia nitrogen wastewater MIN Xiao-bo(闵小波), ZHOU Min(周 敏), CHAI Li-yuan(柴立元), WANG Yun-yan(王云燕), SHU Yu-de(舒余德) School... complex ion-containing high concentration ammonia nitrogen wastewater [J]. Industrial Water and Wastewater, 2007, 38(4): 54-57. (in Chinese) [8] ZHANG Zi-li. Drainage engineering [M]. Beijing:China......
of BaO doping on the three-way catalytic activity of Pt-Rh catalyst and on water-gas shift were investigated. The results show that the light-off temperatures of hydrocarbon and carbon monoxide and nitrogen oxides of the fresh catalysts slightly differ from those of the aged catalysts, and the catalysts containing CeO2-ZrO2-BaO have lower lightoff temperature and better catalytic activity than......
Effect of Dy doping on magnetism of La0.7Sr0.3CoO3 systemLIU Ning a, b , YAN Guoqing b, c , ZHU Guang b , and GUO Huanyin b a College of Science, Anhui Science and Technology University, Fengyang..., Nanjing 210093, China摘 要:The effect of Dy doping on magnetism of La 0.7 Sr 0.3 CoO 3 system was studied through the measurements of M-T curves and M-H......
