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Improvement of a High Velocity Compaction Technique for Iron PowderDil Faraz KHAN1,2,Haiqing YIN1,Zahid USMAN3,Matiullah KHAN4,2,Xianjie YUAN1,Wenhao WANG1,Xuanhui QU11. Laboratory of Particulate...="ChDivSummary" name="ChDivSummary">Water atomized pure iron powder was compacted by high velocity compaction(HVC) with and without upper relaxation assist(URA) device.The influence of URA device on green......
% and below while the anti-flooding of the cathode of simple ABP is not satisfactory in the medium and high current densities. Further study shows that the mechanism of fuel cell, which...anti-flooding of polymer electrolyte membrane fuel cell with in-plate adverse-flow flow-fieldLI Peng-cheng(李鹏程)1, PEI Pu-cheng(裴普成)2, HE Yong-ling(何勇灵)1, ZHANG Hong-fei(张红飞)2(1. School......
that all of the HPCs mainly possess mesoporous structure with nearly similar pore size distribution. Using the HPCs as the electrode, a high discharge capacity for lithium oxygen battery can be achieved... from the environment. Lithium air (oxygen) batteries have the highest theoretical specific energy among all metal oxygen batteries because of the high specific energy of lithium metal. The theoretical......
Magneli phase titanium sub-oxide conductive ceramic TinO2n-1 as support for electrocatalyst toward oxygen reduction reaction with high activity and stabilityWU Qiu-mei(伍秋美)1, RUAN Jian-ming(阮建明)1... after oxidation for 20 h at 1.2 V (vs NHE) in 0.5 mol/L H2SO4 aqueous solution. The catalytic activity and stability of the Pt/TinO2n-1 toward the oxygen reduction reaction (ORR) in 0.5 mol/L H2SO4......
High temperature behaviors of high velocity arc sprayed Fe-Al/Cr3C2 composite coatingsWeipu Xu, Binshi Xu, Wei Zhang, and Yixiong Wu Welding Institute of Materials Science and Engineering Department... coatings were manufactured using high velocity arc spraying (HVAS) technology. The high temperature erosion, wear and corrosion resistance of the coatings were investigated. The coating properties......
for ZrC coating of coated fuel particles. ZrCl4 sample is hydrolyzed to some extent to give ZrO2 and HCl, which however, has little influence on vapor pressure of ZrCl4 at high temperature. No ZrCl3... high performance ZrC coating of coated fuel particles. Table 1 Typical design parameters of coated fuel particle Table 2 Optimal process conditions of fluidized bed SEM images of ZrCl4 sample......
coatings produced by high velocity arc spraying (HVAS) and cored wires. After heat treatment at 300℃, 450℃, 550℃, 650℃ and 800℃, the microstructure of the coatings will be changed. The changes... through heat treatment would improve the sliding wear resistance of the iron aluminide based coatings coatings. 关键词:microstructure; iron aluminides; coating; wear behavior; high velocity arc spraying......
High Temperature Solid Oxide Fuel Cells(SOFC)魏秋明,朱时珍,夏定国,刘庆国摘 要:<正> The history and the state of the art of solid oxide fuel cells(SOFC)is reviewed in this paper.Itdescribes mainly on the material selection,structure design and technological economics of SOFC.The appli-cation of great amount of rare earth materials in SOFC may well extend......
燃料电池及其相关材料新进展(三) 杨遇春1 (1.北京有色金属研究总院,北京,100088) 摘要:Fuel cells as a high efficient, non-polluting electricity generation system are already at a near-commercial or sub-commercial stage. To meet the need for the revolution of electricity industry based fuel cells within the next few years, principal types of fuel cell systems (phosphoric acid fuel cell - PAFC, proton exchange membrane fuel cell......
J. Cent. South Univ. (2021) 28: 1476-1492 DOI: https://doi.org/10.1007/s11771-021-4711-0 Shear wave velocity in granular soil considering effects of inherent and stress-induced anisotropy Bayat... specimen preparation on shear wave velocity (Vs). It is shown that the Vs of the consolidated specimens under anisotropic compression stress is greater than that of the consolidated specimens under......