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Optimization of brine leaching of metals from hydrometallurgical residue GUO Zhao-hui(郭朝晖), PAN Feng-kai(潘凤开), XIAO Xi-yuan(肖细元), ZHANG Long(张 珑), JIANG Kai-qi(蒋凯琦) Institute of Environmental... residue via brine leaching. The results show that temperature of leaching solution has a significant effect on the recovery of Cu, In and Zn, while H2SO4 concentration has an obvious influence......
Nanostructured Ti29.7Ni50.3Hf20 high temperature shape memory alloy processed by high-pressure torsionA.Shuitcev1,D.V.Gunderov2,B.Sun3,L.Li1,R.Z.Valiev2,4,Y.X.Tong11. Institute of Materials... Engineering Applications, Saint-Petersburg State University摘 要:High-pressure torsion(HPT) processing under a pressure of 6.0 GPa was applied......
performance; leaching kinetics 1 Introduction Since olivine LiFePO4 (LFP) was discovered by PADHI et al [1], it got very rapid development due to its long cycle life, high safety performance and high... into the spent LFP powder can be further selectively removed by alkaline leaching, since Al can react with alkali but LFP cannot. In general, the high-concentration NaOH solution can dissolve 99% of the Al sheet......
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Effect of Cu addition on microstructures and tensile properties of high-pressure die-casting Al-5.5Mg-0.7Mn alloyLingyang Yuan,Liming Peng,Jingyu Han,Baoliang Liu,Yujuan Wu,Juan Chen摘 要:In this study, Cu was added into the high-pressure die-casting Al-5.5 Mg-0.7 Mn(wt%) alloy to improve the tensile properties. The effects of Cu addition......
Characterization of high-pressure die-cast hypereutectic Al-Si alloys based on microstructural distribution and fracture morphologyX.Y.Jiao,J.Wang,C.F.Liu,Z.P.Guo,G.D.Tong,S.L.Ma,Y.Bi,Y.F.Zhang,S.M.Xiong摘 要:The fracture behavior of high-pressure die-cast hypereutectic(HPDC) Al-Si alloys was investigated using a high-resolution laboratory CT......
Microstructures and mechanical properties of a newly developed high-pressure die casting Mg-Zn-RE alloyXiru Hua1,2,Qiang Yang2,Dongdong Zhang2,Fanzhi Meng3,Chong Chen1,Zihao You1,Jinghuai...="ChDivSummary">A newly developed Mg-4Zn-2La-3Y alloy with high strength was fabricated by high-pressure die casting method, and its microstructures were thoroughly studied using transmission electron microscopy......
Co-intensification of cyanide leaching gold by mercury ions and oxidant LI Qian(李 骞), JIANG Tao(姜 涛), YANG Yong-bin(杨永斌), LI Guang-hui(李光辉), GUO Yu-feng(郭宇峰), QIU Guan-zhou(邱冠周) School... be obtained and gold leaching rate is considerably increased on cyanide leaching of gold from gold concentrates. Key words: co-intensification; cyanide leaching; mercury ions; hydrogen peroxide......
J. Cent. South Univ. (2017) 24: 1040-1049 DOI: 10.1007/s11771-017-3507-8 Heat treatment and granule medium internal high-pressure forming of AA6061 tube BI Jiang(毕江)1, 2, ZHAO Chang-cai(赵长财)1, BI... internal high-pressure forming and aging treatment, was developed. The AA6061 alloy tube via heat treatment satisfied the forming requirement, and the granule medium internal high pressure forming method......
Stress characteristics of surrounding rocks for inner water exosmosis in high-pressure hydraulic tunnelsYU Jin(俞缙)1, 2, 3, LI Tian-bin(李天斌)2, ZHANG Jian-zhi(张建智)1, CAI Yan-yan(蔡燕燕)1, 3(1... factors affecting the stability of surrounding rock in high-pressure hydraulic tunnels. In this work, the effects of the seepage field were firstly simplified as a seepage factor acting on the stress......
