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Synthesis of CaCu3Ti4O12 powders and ceramics by sol-gel method using decanedioic acid and its dielectric propertiesWANG Mao-hua(王茂华), ZHOU Fu(周芙), WANG Qiu-li (王秋丽), YAO Chao(姚超)(School of Petrochemical Technology, Changzhou University, Changzhou 213164, China)Abstract:The CaCu3Ti4O12 xerogels, powders and ceramics were prepared through the sol-gel method using two kinds of organic acid......
Three-dimensional simulation of sintering crunodes of metal powders or fibers by level set methodCHEN Dong-dong(谌东东)1, ZHENG Zhou-shun(郑洲顺)1, WANG Jian-zhong(王建忠)2, TANG Hui-ping(汤慧萍)2, QU Xuan-hui...’an 710016, China;3. School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China)Abstract:The difference of sintering crunodes of metal powders......
Preparation for intermetallic powders of Cu-Sn and Cu-Ni-Sn systems via solid-liquid reaction milling technique CHEN Ding(陈 鼎), WU Wei(吴 薇), CHEN Zhen-hua(陈振华), FU Ding-fa(傅定发), CHEN... powders were obtained via a patented reaction ball milling technique. The Sn melt reacted with the solid-state Cu during the milling process at different temperatures for different intervals. Two kinds......
Effect of Sulfate Ions on YAG Powders Synthesized by Microwave Homogeneous Precipitation王介强,徐红燕,王勇,岳云龙摘 要:<正>Using A1(NO3)3·9H2O, NH4Al(SO4)2·12H2O, Y(NO3)3as mother salts, and urea as precipitant, YAG nano-powders were synthesized by microwave homogeneous precipitation. The composition, morphology, and phase transformation of precursor were......
Mechanism of upconversion emission enhancement in Y3Al5O12:Er3+/Li+ powders杨明珠1,2,隋郁2,3,牟海维1,吕树臣4,王先杰2,吕天全21. College of Electronic Science,Northeast Petroleum University2. Center for Condensed...:Er3+ and Li+ codoped Y3Al5O12(YAG) powders were prepared for a systematic investigation of their upconversion emissions.X-ray diffraction(XRD),upconversion......
Wear Resistance of Deposited Layer Using Nickel-Based Composite Powders by Plasma-Arc Surfacing DU Ze-yu1,XU Bin-shi2,DONG Li-hong2,ZHU Sheng2 (1.College of Material Science and Engineering..., Shijiazhuang 050003) 摘要:Nickel-based composite alloy powders were deposited on the surface of Q235 steel by plasma-arc surfacing in this work. Optimal proportions of elements intensifying the composite......
Preparation of pure SnO2 powders from tin slag of printed circuit boards wasteBin Li1,Shen-Gen Zhang1,Kun Zhang2,De-An Pan1,Jian-Jun Tian1,Duan-Ting Zhang11. Institute for Advanced Materials...="ChDivSummary">The recycling method and principle of SnO2 from the tin slag of printed circuit boards(PCB) waste were investigated. In this study, pure SnO2 powders were obtained through a multi-step process......
Synthesis of monodispersed nanometer-sized YAG powders by a modified coprecipitation method潘林,秦晓英,李地,张建摘 要:Nanometer-sized yttrium aluminum garnet (YAG) powders were synthesized by using the coprecipitation method with ammo- nium hydrogen carbonate as a precipitant. The results indicated that an extremely loose YAG precursor was obtained when iodine......
Synthesis and characterization of YAG:Ce3+ fluorescence powders by co-precipitation method胡玉才1,2,吕忆民3,于学华2,周丽2,于军胜11. State Key Laboratory of Electronic Thin Films and Integrated Devices School... University of Technology摘 要:YAG:Ce3+(Yttrium aluminum garnet) fluorescence powders were successfully prepared by co-precipitation method using aluminum nitrate......
Mechanism of upconversion emission enhancement in Y3Al5O12:Er3+/Li+ powders杨明珠1,2,隋郁2,3,牟海维1,吕树臣4,王先杰2,吕天全21. College of Electronic Science,Northeast Petroleum University2. Center for Condensed...:Er3+ and Li+ codoped Y3Al5O12(YAG) powders were prepared for a systematic investigation of their upconversion emissions.X-ray diffraction(XRD),upconversion......