共搜索到894条信息，每页显示10条信息，共90页。用时：0小时0分0秒469毫秒
Effects of trace addition of vanadium and depression amount on recrystallization temperature and mechanical performance of 5182 belts GAO Jia-cheng(高家诚)1, CHEN Zhi-qiang(陈志强)1, MING Wen-liang(明文良... was also discussed. Keywords: 5182 belts; vanadium; recrystallization temperature; mechanical performance 1 Introduction The 5××× series aluminum alloys which cannot be strengthened by heat treatment......
Chao, WANG Zhi-gang, REN Da-peng, JIA Jian-ping (National Key Laboratory for Surface Physics and Chemistry, Mianyang 621907, China) Abstract: The microstructures of vanadium alloys before and after... and the shrinking ratio is 2.8% compared with the pure vanadium. The main precipitation in the bulk grains is the complex Ti rich Ti-CNO phase, which has a plate shape with the width of about 100 nm......
Influence of Vanadium Content on Bainitic Transformation of a Low-Carbon Boron Steel During Continuous CoolingKwang-Su Kim1,2,Lin-Xiu Du1,Cai-Ru Gao11. State Key Laboratory of Rolling and Automation... of low-carbon boron steels with different vanadium contents were studied by means of dilatometric measurement and microstructure observation. The bainite transformation behavior is not noticeably altered......
Separation of Impurity Vanadium from TiCl4 by Means of Adsorption孙康,马跃宇,董爱国摘 要:ｎｔｒｏｄｕｃｔｉｏｎＴｉｔａｎｉｕｍｔｅｔｒａｃｈｌｏｒｉｄｅｉｓａｎｉｍｐｏｒｔａｎｔｉｎｔｅｒｍｅｄｉａｔｅｍａｔｅｒｉａｌｆｏｒｐｒｏｄｕｃｉｎｇｍｅｔａｌｉｃｔｉｔａｎｉｕｍａｎｄｒｅｌｅｖａｎｔｃｈｅｍｉｃａｌｐｒｏｄｕｃｔｓ．Ｃｏｎｓｅ...关键词:......
Trans. Nonferrous Met. Soc. China 24(2014) 2687-2694 Extraction of vanadium from molten vanadium bearing slag by oxidation with pure oxygen in the presence of CaO Wen-chen SONG1,2, Hong LI1,2, Fu... Engineering, University of Science and Technology Beijing, Beijing 100083, China; 3. State Key Laboratory for Comprehensive Utilization of Vanadium and Titanium Resources, Pangang Group Research Institute Co......
J. Cent. South Univ. (2021) 28: 1144-1154 DOI: https://doi.org/10.1007/s11771-021-4686-x 3D gel printing of VC reinforced high vanadium high-speed steel CHEN Cun-guang(陈存广)1, 2, 3, SUN Hai-xia(孙海霞... to their high hardness and high strength, VC reinforced hard materials such as high vanadium high-speed steel (HVHSS) are not suitable for machining to obtain complex shape with low cost. Therefore, 3D......
Dissolution kinetics and thermodynamic analysis of vanadium trioxide during pressure oxidationZHOU Xuejiao a, b, WEI Changa, XIA Wentang b, LI Minting a, LI Cunxiong a, DENG Zhigan a, and XU... of Science and Technology, Chongqing 401331, China摘 要:The dissolution kinetics of vanadium trioxide in sulphuric acid-oxygen medium was examined......
Vanadium Carbide Coating Growth on Die Steel Substrate in Borax Salt Bath王洪福School of Materials Science and Engineering, Wuhan University of TechnologySchool of Mechanical Engineering and Automation, North University of China摘 要:Vanadium pentoxide, borax, boron carbide and sodium fluoride were used to grow vanadium carbide coating on die steel(Cr12......
Kinetics of Vanadium Oxidation during Bone Coal Roasting in Air郭伟,范其明,胡长平摘 要:ＫｉｎｅｔｉｃｓｏｆＶａｎａｄｉｕｍＯｘｉｄａｔｉｏｎｄｕｒｉｎｇＢｏｎｅＣｏａｌＲｏａｓｔｉｎｇｉｎＡｉｒＧｕｏＷｅｉ(郭伟)(ＧｅｎｅｒａｌＲｅｓｅａｒｃｈＩｎｓｔｉｔｕｔｅｆｏＮｏｎ－ｆｅｒｒｏｕｓＭｅｔａｌｓ,Ｂｅｉｊｉｎｇ１０００８８,Ｃｈ...关键词:......
极谱法测定钒钛磁铁矿中钒梁庆勋1,朱霞萍1,陈文1,尹继先2(1.四川省成都市成都理工大学材料与化学化工学院四川省矿产资源化学高校重点实验室2.广州出入境检验检疫局 化矿处,广东广州 510623)摘 要:在pH 4.5的HAc-NaAc缓冲溶液中,邻菲罗啉在-0.82V(v.sSCE)处出现一灵敏极谱峰.加入钒,邻菲罗啉极谱峰减小,且减小的峰电流与钒的加入量在0.05~5.0μg/mL范围内呈线性关系,由此建立了极谱法测定钒的新方法.优化了试剂及仪器条件,考察了共存元素的干扰.在优化条件下,钒的检出限为0.0......
