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and dehydrogenation dynamic properties were measured. The Avrami index was used to study the phase transformation behavior character. The results show that in the range of temperatures selected... of Mg-3Ni-2MnO2 hydrogen storage materials during hydrogenation and dehydrogenation process ZHANG Wen-cong, JIA Bin-bin, YU Yuan-chun (School of Materials Science and Technology, Harbin......
Cr5钢锭去氢退火过程的数学模拟游佳迪1,杨弋涛1,张洪奎2,邵光杰1(1.上海市上海大学材料科学与工程学院2.宝钢钢铁股份有限公司 特殊钢分公司)摘 要:对氢在Cr5钢锭退火过程中的扩散建立了数学模型,以matlab软件对该模型进行求解,模型估计与实测值较相吻.该模型可用于指导和优化去氢退火工艺,对减少白点报废率具有一定的意义.关键词:Cr5钢; 去氢退火; 数值模拟; 电化学渗氢......
a complete restoration of NaAlH4 from Al, NaH by effect of Ti-Zr hydride dopant, namely that the Ti-Zr hydride doped with NaAlH4 has a good reversible hydrogenation/ dehydrogenation properties. It is seen... storage properties Fig.2 shows the dehydrogenation kinetics curves for as-milled Ti-Zr hydride doped NaAlH4 at 160 ℃, 0.1 MPa condition. The sample can release about 2.7% and 4.0% (mass fraction......
Mechanical properties and microstructure of Ti-6Al-4V compacts by metal injection molding GUO Shi-bo(郭世柏), QU Xuan-hui(曲选辉), HE Xin-bo(何新波), DUAN Bo-hua(段柏华) (School of Materials Science... on mechanical properties and microstructure of the sintered compacts at 1260℃ were investigated. The experimental results show that the compacts sintered at 1260℃ for 3-6h, which was made from hydrogenation......
; 文献标志码:A Synthesis and mechanical properties of powder metallurgy titanium alloy XIAO Dai-hong, YUAN Tie-chui, HE Yue-hui, WANG Shou-ren (State Key Laboratory of Powder Metallurgy, Central... temperature on microstructure and properties of the based alloys were investigated using X-ray diffractometry, optical microscopy, scanning electron microscopy and mechanical properties tests......
Hydriding/dehydriding properties of Mg-Ni-based ternary alloys synthesized by mechanical grinding CHEN Yu-an(陈玉安)1, 2, YANG Li-ling(杨丽玲)1, LIN Jia-jing(林嘉靖)1, CHENG Ji(程 绩)1, PAN Fu-sheng(潘复生)1... by mechanical grinding. The phases in the alloys and the hydriding/dehydriding properties of the alloys were investigated. Mg2Ni and Mg are the main hydrogen absorption phases in the alloys by XRD analysis......
Microstructure and mechanical properties of powder metallurgy Ti-Al-Mo-V-Ag alloy XIAO Dai-hong, YUAN Tie-chui, OU Xiao-qin, HE Yue-hui State Key Laboratory of Powder Metallurgy, Central South... (BE) technique. The effects of Ag addition and sintering temperature on microstructure and properties of the Ti-5Al-4Mo-4V alloys were investigated using X-ray diffraction, optical microscope, scanning......
Effects of Fe Modified Na2WO4 Additive on the Hydrogen Storage Properties of MgH2王家盛1,张伟2,LI Bo1,SHEN Na2,HUO Quan21. Department of Environmental Engineering, North China Institute of Science... properties of MgH2 together with the corresponding mechanism were investigated. At 423 K, within the first 200 seconds, the hydrogen absorption amount of MgH2+20 wt% Fe2O3/Na2WO4 was almost 5 times......
Structures and properties of La-Mg-Ni system hydrogen storage alloys XIAO Fang-ming(肖方明), WANG Ying(王 英), TANG Ren-heng(唐仁衡), LU Qi-yun(卢其云), PENG Neng(彭 能) Research Institute of Rare Metal... used to prepare La-Mg-Ni system hydrogen storage alloys. The effects of magnesium content and heat-treatment process on the alloys properties were studied. When the alloy with 1.09%(mass fraction) Mg......
Gaseous hydrogen storage properties of Mg-Y-Ni-Cu alloys prepared by melt spinningYanghuan Zhang1,2,Yaqin Li3,2,Wei Zhang1,2,Zeming Yuan1,2,Zhonghui Hou1,2,Yan Qi2,Shihai Guo21. Key Laboratory... and desorption thermodynamics and kinetics properties of Mg-Ni-based alloys, partially substituting Y and Cu for Mg and Ni respectively and melt spinning technique were applied for getting Mg25-xYxNi9 Cu(χ......