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are shown in Figs.4(a) and (b), respectively. It can be seen that the worn debris on dry condition are ball-like, appearing to be a typical characteristic of abrasive wear. However, the worn debris on wet... Tribological characteristics of C/C-SiC braking composites under dry and wet conditions LI Zhuan(李 专)1, XIAO Peng(肖 鹏)1, XIONG Xiang(熊 翔)1, 2, ZHU Su-hua(朱苏华)2 1. State Key Laboratory of Powder......
by a planetary ball mill in various times(0.5, 1, 2, 6, 20, 36, 54 and 120 h) and subsequent heat treatment in Ar atmosphere at 820 °C. Study of powders structure after milling and heat treatment was carried...Effects of Milling and Heat Treatment on the Synthesis of NiTi PowdersH Mostajabodaveh2,A Babakhani32. Faculty of Metallurgical and Materials Engineering, Semnan University3. Department of Materials......
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respectively were prepared by ball milling. The crystallite size and morphology of the as-milled powders were characterized and their hydrolysis behaviours were investigated in comparison with commercial... for 80min achieving about 76% and 62% respectively. However, the addition of Al doesnt show any positive effect on the improvement of the hydrolysis kinetics of MgH2. Key words: ball milling......
构转变. 图2 球磨不同时间后CNTs的SEM像 Fig. 2 SEM images of CNTs ball-milled for different milling time 图3 不同球磨时间下CNTs的XRD谱 Fig. 3 XRD patterns of CNTs ball-milled for different milling.... Ball milling process and its effects on hydrogen storage of carbon nanotubes[J]. Acta Energiae Solaris Sinica, 2003, 24(1): 116-120. [20] WANG Yi, DENG Wei-qiao, LIU Xue-wei, WANG Xin. Electrochemical......
细钛粉；分散剂 中图分类号:TF123.7 文献标志码:A Ultrafine titanium powders for coatings prepared by high energy ball milling XIE Huan-wen, CAI Yi-xiang, TAN Li-xin, LIU Xin ... the rotation rate is 378 r/min, ball-to-powder ratio is 2.43 and milling time is 8-18 h, the ultrafine Ti powders with median diameter of 9.91-2.28 ?m are obtained in which Fe content (mass fraction......
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......
