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Fine grain tungsten produced with nanoscale powderTao Lin, Fang Zhao, Liying Zhang, Chengyi Wu, and Zhimeng Guo Materials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China摘 要:<正>Nanoscale tungsten powder was prepared by reducing nanoscale tungsten trioxide in hydrogen to WO2.90 and further to W......
W2C and phase equilibria in the tungsten-carbon system in the region of its existence [J]. Powder Metallurgy and Metal Ceramics, 2004, 43(11, 12): 630-644. DOI:10.1007/s11106-005-0032-3. [34] LEE H M... J. Cent. South Univ. (2021) 28: 1206-1218 DOI: https://doi.org/10.1007/s11771-021-4690-1 Effects of niobium addition on microstructure and properties of CPM121 powder metallurgy high-speed......
Scandia doped tungsten matrix for impregnated cathodeWANG Jinshu,WANG Yanchun,LIU Wei,LI Hongyi,and ZHOU Meiling School of Materials Science and Engineering,Beijing University of Technology,Beijing 100022,China摘 要:As a matrix for Sc-type impregnated cathode,scandia doped tungsten with a uniform distribution of Sc2O3 was obtained by powder metallurgy......
. Keyword: separation of molybdenum from tungsten; selective precipitation; tungsten metallurgy; Received: 1999-06-25 近年来, 用户对钨冶金产品中的杂质钼 , 砷, 锑等含量要...: TF841.1 收稿日期:1999-06-25 基金:湖南省自然科学基金; Removal of Mo, As, Sb and Sn from tungstate solution Abstract: According to the difference between tungsten......
reaches 99. 75a/o in this process. Key words: removing molybdenum from tungstate; metalsulfide; sulfuration; tungsten metallurgy 陋着优质钨资源的不断消耗以及用户对钨产品质量要求的不断提高,钨钼分离已经成为钨冶金中的一个重..., ZHANG Qrxiu. Pilot test for separating molybdenum and tungsten with solvent extraction[J]. Journal of Central South Institute of Mining and Metallurgy, 1994, 24: 50- 55. [3] 陈洲溪,黄芍英,周良益,等,离子交换法分离钨酸盐溶......
Microstructure and properties of Fe-based coatings on cutting pick surface formed by plasma jet surface metallurgy CHEN Hao(陈 颢)1, 2, YANG Jian-gao(羊建高)2,LI Hui-qi(李惠琪)3 1. School of Materials and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China; 2. Engineering Research Center of High-efficiency Development and Application Technology of Tungsten......
Fabrication of tungsten films by metallorganic chemical vapor depositionYi Li1,2), Jin-pu Li1), Cheng-chang Jia1), and Xue-quan Liu2) 1) School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China 2) Powder Metallurgy Laboratory, Central Iron & Steel Research Institute, Beijing 100081, China摘 要: Reduction Process of Blue Tungsten Oxide and its Microcomputer Process ControlYang Zhangyuan;Shu Daixuan;Zhang Hezhen;Zhang Wanwu Computer Chemistry Laboratory. Institute of Chemical Metallurgy,Academia Sinica,P. O. Box 353, Beijing 100080, China摘 要:<正> The grain size control of the tungsten powder is essential for high quality tungsten products......Reduction Process of Blue Tungsten Oxide and its Microcomputer Process Control
来源: 《Rare Metals1990年第2期》——Yang Zhangyuan;Shu Daixuan;Zhang Hezhen;Zhang Wanwu Computer Chemistry Laboratory. Institute of Chemical Metallurgy,Academia Sinica,P. O. Box , Beijing , China
A Novel Method for Separation of Tungsten and MolybdenumJiang Anren Pang Zhen Jiang Weizhong Department of Chemistry,Fudan University,Shanghai摘 要:<正> Research on the separation of tungstenand molybdenum is of importance as it is a ba-sic problem in the metallurgy and industry oftungsten.Traditional methods for the separa-tion include precipitation......
Effect of trace tungsten on the microstructure of TiAl alloys containing Nb and BLIU Bin, LIU Yong, HUANG Lan, HUANG Jinsong, ZHANG Yonghong, and HUANG Boyun State Key Laboratory of Powder Metallurgy...) were prepared by arc melting and drop casting consequently. Using optical microscopy, scanning electron microscopy (SEM), and electron superprobe technologies, the effects of tungsten......