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in improving the hydriding/dehydriding kinetics. Key words: hydrogen storage material; sodium alanate; TiC catalyst; kinetic property; ball milling 1 Introduction Regarding the use of hydrogen as fuel... catalysts that enhance the hydriding/dehydriding kinetics while maintaining its high hydrogen capacity. WANG and JENSEN [15] prepared the Ti-doped NaAlH4 by ball-milling in hydrogen atmosphere with off......
) Abstract: Synthesis of ultrafine WC-Co powders was investigated using WO3, Co3O4 and graphite powders as starting materials by high energy ball milling followed by reduction and carburization..., and the carburization reaction completes at 900℃ in 2h. The size of the WC grain in the final WC-Co composite powders is in the range of 200-300nm. Key words: WC-Co; high energy ball milling; reduction......
High performance Sm-Co powders obtained by crystallization from ball milled amorphous stateJinkui Fan1,2,Qiang Zheng3,Rui Bao1,Jianhong Yi1,Juan Du21. Faculty of Materials Science and Engineering... of Materials and Chemical Engineering, Ningbo University of Technology摘 要:Isotropic Sm-Co nanoparticle powders with high coercivity were prepared by high-energy ball......
Trans. Nonferrous Met. Soc. China 26(2016) 1170-1175 Bimodal-grained Ti fabricated by high-energy ball milling and spark plasma sintering Yan LONG, Wen-jing GUO, Ying LI Guangdong Provincial Key... Abstract: Bimodal-grained Ti containing coarse and fine grains was fabricated by high-energy ball milling and spark plasma sintering (SPS). The microstructure and mechanical properties of the compacts......
,这些断口形态可发生转化；与干式球磨比较,湿式球磨后MWNTs的长度较平均,多数端部处于敞开状态,且其结构的损坏程度较小；MWNTs的分散状态及其断口结构的稳定性是影响球磨效果的重要因素.关键词:碳纳米管；球磨；分散；悬键Effect of ball milling on morphology and structure of multi-walled carbon nanotubesMENG... (MWNTs) were treated by dry ball milling and wet ball milling, respectively. The morphological and structural characteristics of MWNTs were investigated using TEM, XRD, XPS and Raman spectrum. The results......
；AlN 中图分类号:TG174 文献标志码:A Synthesis of AlN from Al2O3 activated by plasma assisted ball milling DAI Le-yang1, 3, ZHANG Bao-jian1, LIN Shao-fen1, LIU Zhi-jie2, WANG Wen-chun2 (1...: The synthesis mechanism of AlN by Al2O3 powders through carbothermic reduction reaction was investigated, in which the Al2O3 powders was activated by plasma assisted ball milling (PM) or by conventional ball......
source, Na2FePO4F/C composite is prepared by alcohol-assisted ball milling and solid-state reaction method. The XRD pattern of Na2FePO4F/C composite demonstrates sharp peaks, indicating high... reaction could be a practical and effective synthetic route for the industrial production of Na2FePO4F/C material. Key words: lithium-ion batteries; Na2FePO4F/C composite; alcohol-assisted ball milling......
milling, carbothermic reduction and hydrochloric acid leaching was proposed for the preparation of nanosized synthetic rutile from natural ilmenite. The ball milling was employed to grind ilmenite... nanoparticles with size of 10-200 nm and purity>98.0% were obtained. Key words: TiO2; ilmenite; ball milling; carbothermic reduction; leaching; nanoparticles 1 Introduction Titanium dioxide ......
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by vacuum induction melting.Subsequently,the as-cast alloys were mechanically milled on a planetary-type ball mill.The effects of milling time and Y content on the microstructures and electrochemical... grows with the milling time prolonging,while that of the Y-substituted alloys has the maximum values in the same case.The milling time of obtaining the greatest discharge capacity markedly decreases......
