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Hafnium carbide structural foams synthesized from polymer precursors FAN Hai-bo, YANG Hong, N. K. RAVALA, H. C. WIKLE III, R. H. ZEE, B. A. CHIN 275 Wilmore Labs Auburn University, Auburn, AL 36849-5341, USA Received 20 April 2006; accepted 30 June 2006 Abstract: Hafnium carbide (HfC) was applied in space and aerospace due to its ultra high melting temperature, high specific strength......
Hafnium in Aluminum Alloys:A ReviewZhi-Hong Jia,Hui-Lan Huang,Xue-Li Wang,Yuan Xing,Qing LiuCollege of Materials Science and Engineering, Chongqing University摘 要:Lots of the available literatures on hafnium in aluminum alloys are reviewed. The new binary Al–Hf phase diagram is simply assessed. Two ternary phase diagrams including Al–Hf–Zr and Al–Hf–Sc......
Equilibrium and kinetic data of adsorption and separation for zirconium and hafnium onto MIBK extraction resin XU Zhi-gao (徐志高), WU Yan-ke (吴延科), ZHANG Jian-dong (张建东), ZHANG Li (张 力), WANG Li... and kinetics of methyl isobutyl ketone (MIBK) extraction resin for adsorption and separation of zirconium and hafnium were studied under the different conditions of acidity, initial total......
Technological conditions for purification of hafnium by iodide processLi-Sen Tian,Yan-Xi Yin,Zhi-Fang Hu,Hong-Lin Jiang,Zhong-Qi Li,Li-Jun WangDivision of Rare Metals Materials&Metallurgy,General Research Institute for Nonferrous Metals摘 要:In nuclear industry,the purity of hafnium control rod is usually significant,and the process parameters will affect......
Low-temperature Rapid Synthesis of Ultrafine Hafnium Carbide Ceramic Powders吴洁,王为民,LIU ChunState Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology摘 要:Nano hafnium carbide(HfC) powders were synthesized by sol-gel combining hightemperature rapid heat treatment process using citric acid and hafnium......
Deposition rate of hafnium crystal bar by iodide processLi-Sen Tian,Yan-Xi Yin,Zhi-Fang Hu,Hong-Lin Jiang,Zhong-Qi Li,Li-Jun WangDivision of Rare Metals Materials & Metallurgy,General Research Institute for Nonferrous Metals摘 要:Single variable and deposition weight methods were adopted in the experiment. The hafnium crystal bar was fabricated......
Trans. Nonferrous Met. Soc. China 27(2017) 694-700 Optimization of parameters, characterization and thermal property analysis of hafnium ethoxide synthesized by electrochemical method Chang-hong WANG... 2016 Abstract: Hafnium ethoxide was synthesized using electrochemical method. Optimization experiments were used to optimize various parameters namely Et4NBr concentration(c): 0.01-0.06 mol/L, solution......
Institute of Technology, Harbin 150001, China ? Central South University Press and Springer-Verlag Berlin Heidelberg 2012 Abstract: Two hafnium diboride based ceramic matrix composites containing 20..., which could fill the voids and cracks of surface and improve the thermal shock resistance of composite. Key words: hafnium diboride; thermal shock resistance; plasma arc test; microstructure 1......
Trans. Nonferrous Met. Soc. China 22(2012) 1760-1765 Solvent extraction of hafnium from thiocyanic acid medium in DIBK-TBP mixed system XU Zhi-gao1,2, WANG Li-jun2, WU Yan-ke2, CHI Ru-an1, ZHANG Li2..., General Research Institute for Nonferrous Metals, Beijing 100088, China Received 25 July 2011; accepted 13 January 2012 Abstract: A novel process for the separation of hafnium from thiocyanic acid medium......
Simultaneous Determination of Zirconium and Hafnium by Dual System and Dual Wavelength Spectrophotometry张贵珠,刘蜀利,杨万龙,何锡文,史慧明摘 要:<正> A dual system and dual wavelength spectrophotometry(DSDWS)used to simultaneously determine Zrand Hf were proposed.
