共搜索到4145条信息，每页显示10条信息，共415页。用时：0小时0分0秒578毫秒
Structure and Magnetic Properties of Sm2Fe17Nx Sintering Magnets Prepared by Spark Plasma Sintering Zhang Jiuxing1,Yue Ming1,Zhang Dongtao1 (1.Key Laboratory of Advanced Functional Materials, Ministry of Education, Beijing University of Technology, Beijing 100022, China) Abstract:Bulk Sm2Fe17Nx sintering magnet was fabricated by spark plasma sintering(SPS) technique. The effects of sintering......
Air stable Fe nanostructures with high magnetization prepared by reductive annealingYanhua Liu1,2,Baoru Bian1,Chunfeng Hu2,Pengpeng Yi1,Juan Du1,Weixing Xia1,Jian Zhang1,Aru Yan1,Ying Li3,J.Ping... of Texas at Arlington摘 要:Monodispersed Fe nanospindles and nanoparticles were successfully synthesized through environmentfriendly reductive annealing ?-Fe OOH......
J. Cent. South Univ. (2020) 27: 2548-2556 DOI: https://doi.org/10.1007/s11771-020-4480-1 Fabrication and flexural strength of porous Si3N4 ceramics with Li2CO3 and Y2O3 as sintering additives HU..., Central South University,Changsha 410083, China Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020 Abstract: By employing sintering additives of Li2CO3 and Y2O3......
Preparation and UV property of size-controlled monodisperse nickel nanoparticles (<10 nm) by reductive methodXiao Guo,Feng Zheng,Min Guo,Mei Zhang,Kuo-Chih ChouState Key Laboratory of Advanced... successfully synthesized using a reductive method of nickel chloride with sodium borohydride in the ethanol/poly- vinylpyrrolidone (PVP) system. The effects of three factors, such as the concentration......
Reductive leaching of indium from the neutral leaching residue using oxalic acid in sulfuric acid solutionF.Maddah,M.Alitabar,H.YoozbashizadehDepartment of Materials Science and Engineering, Sharif University of Technology摘 要:The present study evaluates the reductive leaching of indium from indium-bearing zinc ferrite using oxalic acid as a reducer......
Microstructure and properties of ultra-fine tungsten heavy alloys prepared by mechanical alloying and electric current activated sintering LI Xiao-qiang(李小强), XIN Hong-wei(辛红伟), HU Ke(胡 可), LI...: The microstructure and properties of the 93W-4Ni-2Co-1Fe (mass fraction, %) tungsten heavy alloys prepared by mechanical alloying and electric current activated sintering from mixed elemental powders were......
Mechanical wet-milling and subsequent consolidation of ultra-fine Al2O3-(ZrO2+3%Y2O3) bioceramics by using high-frequency induction heat sintering Khalil Abdelrazek KHALIL, Sug Won KIM Division... technique and rapid consolidation with high frequency induction heat sintering(HFIHS). The starting materials were a mixture of alumina micro-powder (80%, volume fraction) and 3YSZ nano-powders......
Phase transformation in reductive roasting of laterite ore with microwave heating CHANG Yong-feng(畅永锋), ZHAI Xiu-jing(翟秀静), FU Yan(符 岩), MA Lin-zhi(马林芝), LI Bin-chuan(李斌川), ZHANG Ting-an(张廷安... 000 ℃ in 6.5 min. The reduction degree of iron is controlled by both the reductive agent content and the microwave heating time, and the reduction follows Fe2O3→Fe3O4→FeO→Fe sequence. Sulphuric acid......
Intelligent optimal control for lead-zinc sintering process state WU Min(吴 敏), XU Chen-hua(徐辰华), DU Yu-xiao(杜玉晓) School of Information Science and Engineering, Central South University, Changsha... of sintering process. Key words: lead-zinc sintering process; synthetical permeability; burn-through point(BTP); fuzzy expert controller; state- optimization control 1 Introduction The lead......
; 文献标志码:A Reductive leaching and leaching kinetics of low-grade pyrolusite ores using oat straw as reductant MAN Rui-lin, CHANG Wei, WU Qi... using oat straw as a reducing agent in dilute sulfuric acid medium. The optimal conditions and the kinetics from manganese dioxide ores by reductive leaching ......
