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Microstructure and Carbides Characteristics of Spray Formed 9V High Vanadium Steels徐轶1,GUO Biao2,GE Changchun1,31. School of Materials Science & Engineering,Southwest Jiaotong University2. School...">To develop advanced high speed steel with high vanadium content,a kind of vanadium content 9% high speed steel in the form of circular ring was spray formed under certain thermal conditions.The carbides......
SPES/PVDF Binary Membrane as an Alternative Proton Exchange Membrane in Vanadium Redox Flow Battery Application毛熹College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University摘 要:SPES/PVDF blends were employed to prepare the ion exchange membranes for vanadium redox flow battery(VRB) application for the first time. The addition......
Microstructure and corrosion resistance of vanadium films deposited at different target-substrate distance by HPPMSChun-Wei Li1,2,Xiu-Bo Tian1,Tian-Wei Liu3,Jian-Wei Qin3,Chun-Zhi Gong11. State Key... to prepare vanadium films on aluminum alloy substrate in this paper. The influence of target–substrate distance(Dt–s)(ranging from 8 to 20 cm) on phase structure, surface morphology, deposition rate......
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Reduction roasting–magnetic separation of vanadium tailings in presence of sodium sulfate and its mechanismsYu-Lei Sui1,Yu-Feng Guo1,Andrew Yakovlevich Travyanov2,Tao Jiang1,Feng Chen1,Guan-Zhou... id="ChDivSummary" name="ChDivSummary">Reduction roasting with sodium sulfate followed by magnetic separation was investigated to utilize vanadium tailings with total iron grade of 54.90 wt% and TiO2......
In Situ Growth of Vanadium Oxide on Reduced Graphene Oxide for the Low-Temperature NO-SCR by NH3李美颜1,QI Yanyuan2,金伟1,JIAO Binqing1,ZHAO Jie11. State Key Laboratory of Silicate Materials...">The vanadium oxide/reduced graphene oxide(V2 O5/rGO) composite catalyst which determined the selective catalytic reduction activity(SCR) of NO with NH3 was prepared by a simple solvothermal method......
Oxidation process of low-grade vanadium slag in presence of Na2CO3 LI Xin-sheng, XIE Bing, WANG Guang-en, LI Xiao-jun College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China Received 20 October 2010; accepted 20 January 2011 Abstract: The oxidation process of low-grade vanadium slag in the presence of Na2CO3 was investigated by XRD, SEM/EDS and TG-DSC......
从含钒浸出液中萃取钒的研究现状李尚勇1,2,谢刚3,俞小花3(1.云南省昆明市昆明理工大学环境科学与工程系2.四川省攀枝花市四川机电职业技术学院信息工程系3.昆明理工大学 冶金与能源工程学院,昆明 650093)摘 要:综述在不同的介质中用不同的萃取剂萃取钒的研究进展.指出钒的萃取视钒在溶液中的存在形态不同来选择,在硫酸介质中,萃取钒常用的萃取剂有P204,N1923,TOA,N263等.在盐酸介质中常用的萃取剂是TBP,季铵盐能在碱性溶液中萃取五价钒.指出在萃取钒的过程中,影响萃取率的因素主要有pH值,萃取剂......
Influence of vanadium and chromium additions on the wear resistance of a gray cast ironA.Hassani,A.Habibollahzadeh,S.Sadeghinejad MaterialsScience and Engineering Faculty, Semnan University摘 要:A low-alloy gray cast iron containing hard carbide-forming elements, such as vanadium and chromium, was cast by sand mould casting. Its wear resistance......
Synthesis of Vanadium Carbide Nanopowders via Mechanical Alloying and Microwave Heating Methods杨宝震,ZHENG Hongjuan,赵志伟,ZHENG Juan,CHEN FeixiaoSchool of Material Science and Engineering, Henan University of Technology摘 要:A simple and fast method of preparation of vanadium carbide(V8 C7) nanopowders using mechanical alloying assisted microwave heating......
