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Process mineralogy characteristics of acid leaching residue produced in low-temperature roasting-acid leaching pretreatment process of refractory gold concentratesShuang-hua Zhang1,Ya-jie Zheng1,Pan... refractory gold concentrates, process mineralogy on the acid leaching residue of gold calcine was studied by chemical composition, X-ray diffraction, scanning electron microscopy-energy spectrum, and mineral......
Leaching kinetics of bastnaesite concentrate in HCl solution BIAN Xue, YIN Shao-hua, LUO Yao, WU Wen-yuan School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China Received 30 October 2010; accepted 27 May 2011 Abstract: The leaching kinetics of bastnaesite concentrate in HCl solution was investigated with respect to the effects of HCl concentration by changing HCl......
Extracting vanadium from stone-coal by oxygen pressure acid leaching and solvent extraction DENG Zhi-gan(邓志敢), WEI Chang(魏 昶), FAN Gang(樊 刚), LI Min-ting(李旻廷), LI Cun-xiong(李存兄), LI... ____________________________________________________________________________________________ Abstract: Vanadium extraction from stone-coal was investigated by oxygen pressure acid leaching and solvent extraction......
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Rapid Sintering of Alumina in Low Pressure RF PlasmaWenxia Pan; Fanxiu Lu; Toyonobu Yoshida (InstitUte of Mechanics, Chinese Academy of Sciences, Beijing 100080, China) (Material Science and Engineering School, University of Science and Technology Beliing, Beliing 100083, China) (Department of Metallurgy,摘 要: Research on toughening mechanisms of alumina matrix ceramic composite materials improved by rare earth additive张希华1,张建华31. School of Materials Science and Engineering, Shandong University3. School of Mechanical Engineering, Shandong University摘 要:Mixed rare earth elements were incorporated into alumina ceramic materials. Hot-pressing was used......Research on toughening mechanisms of alumina matrix ceramic composite materials improved by rare earth additive
来源： 《Journal of Rare Earths2008年第3期》——张希华 张建华
Microstructural and mechanical properties of Al-4.5wt% Cu reinforced with alumina nanoparticles by stir casting methodN.Valibeygloo1,R.Azari Khosroshahi1,R.Taherzadeh Mousavian21. Faculty... properties of Al-4.5wt%Cu alloy reinforced with diferent volume fractions(1.5vol%,3vol%,and 5vol%)of alumina nanoparticles,fabricated using stir casting method,were investigated.Calculated amounts of alumina......
Friction and Wear Behavior of Fine-grained Alumina Ceramic under Physiological Saline Conditions孟范成1,2,DONG Yabo1,YANG Hui1,ZHANG Ying3,ZHANG Xiaolei1,TIAN Zhongqing1,黄伟九11. Department of Materials... saline environment. Relationship between time and wear loss was observed. The wear loss volume increased with increased sliding time and fine-grained alumina exhibits a lower value. In the initial wear......
Leaching kinetics of celestite in nitric acid solutionsFeray Kocan,Umran Hicsonmez摘 要:In this study, strontium nitrate extraction from celestite in nitric acid solutions was investigated using the leaching method. The influences of acid concentration, solid-to-liquid ratio, stirring speed, and reaction temperature on the leaching of strontium from......
