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and Mg1.95RE0.05Ni(RE= La,Ce,Pr,Nd,Y)ternary alloys were prepared by ball milling of mixted powder of Mg,Ni,RE and sintering under the protection of argon.XRD analysis shows that Mg2-xNdxNi(x=0.05,0.1.... Key words:metal materials; Mg2Ni; Mg2-xRExNi; ball milling; crystal structure; rare earths; [全文内容正在添加中] ......
Sn0.35-0.5xCo0.35-0.5xZnxC0.30复合材料的制备及电化学性能杨绍斌1,沈丁1,李强1(1.辽宁省阜新市辽宁工程技术大学 材料科学与工程学院)摘 要:采用固相烧结和球磨相结合的方法制备了锂离子电池负极复合材料Sn0.35-0.5xCo0.35-0.5xZnxC0.30(摩尔分数x分别为0,0.05,0.10,0.15和0.20),考察了Zn添加量对材料结构和电化学性能的影响.烧结粉末样品的XRD分析表明,随着Zn含量的增多,在CoSn主相基础上,先形成少量CoSn2相,随后形成少量Co3......
Trans. Nonferrous Met. Soc. China 22(2012) 1423-1431 Effects of high-energy ball milling oxide-doped and varistor ceramic powder on ZnO varistor XU Dong1,2,3, TANG Dong-mei1, 4, JIAO Lei1, YUAN... on these characteristics were achieved through the high-energy ball milling varistor ceramic powder route, obtaining a nonlinear coefficient of 57 and a breakdown field of 617 V/mm at a sintering temperature of 1000......
stainless-steel milling media under argon atmosphere.Effects of milling time,milling speed,process control agent,ball-to-powder ratio and milling ball size on the mechanical alloying processes were...Mechanical alloying behaviors of Mo-Si-B-based alloy from elemental powders under different milling conditionsTao Yang,Xi-Ping GuoState Key Laboratory of Solidification Processing, Northwestern......
Mechanism of wet shotcrete interacting with rock in support systemsLi Li(李莉), Wu Ai-xiang(吴爱祥), Wang Yi-ming(王贻明), Han Bin(韩斌), Wang Hong-jiang(王洪江), Wang Chun-lai(王春来)(School of Civil & Environmental Engineering, University of Science & Technology of Beijing, Beijing 100083, China)Abstract:In order to have a good understanding of the behavior of wet shotcrete as a support element......
were prepared by wet ball milling method. The microstructure and forming process of the carbonyl iron flake powders were characterized by scanning electron microscopy (SEM) and X-ray diffraction (XRD...献标志码:A 文章编号:1672-7207(2015)01-0094-05 Influence of ball milling time on microstructure and properties of flake-shaped carbonyl iron microwave absorber......
J. Cent. South Univ. Technol. (2009) 16: 0525-0529 DOI: 10.1007/s11771-009-0087-2 Wet friction performance of C/C-SiC composites prepared by new processing route WANG Xiu-fei(王秀飞)1, 2, 3, YIN... impregnation and carbonization. The wear and friction properties were tested by an MM-1000 wet friction machine. The results show that SiC phases are mainly distributed between carbon fibers......
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for 5 h using a planetary ball mill. Tungsten balls with a diameter of 7 mm and a stainless steel vial were used for milling at the speed of 200 r/min. Absolute ethyl alcohol was used as wet milling... 98W-1Ni-1Fe powder injection molding was studied. The influence of ball milling and stearic acid (SA) addition on ultrafine powder characteristics and feedstock rheological behavior was investigated......
