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Press and Springer-Verlag Berlin Heidelberg 2017 Abstract: Nanocrystalline/amorphous LaMg11Ni+xNi (x=100%, 200%, mass fraction) composite hydrogen storage alloys were synthesized by ball milling... behavior of LaMg11Ni and found that the ball milling for 20 h makes hydrogen absorption capacity of LaMg11Ni increase by about 20%, and the kinetics of hydrogen absorption was markedly improved. ZHANG et al......
, preoxidation and ball milling [4,5]. Different types of raw materials (such as different carbon sources) were also tested [6]. TRIPATHY et al [6] investigated the reduction of an ilmenite ore... requirements and improving reduction efficiency as well. WELHAM et al [10,11] and CHEN [12] found that ball milling can accelerate the reduction process of ilmenite by carbon after long time milling......
of Southeast University, Nanjing 210096, China Received 15 July 2007; accepted 10 September 2007 Abstract: The nano-composite powders of CeO2/Zn were prepared with high energy ball milling... is 1%. Key words: high energy ball milling; CeO2; nanocomposite; corrosion resistance; hardness 1 Introduction The nanocomposite is the advanced subject of the research in high performance......
after ball milling for different time 图3 分别球磨2 h,3 h,4 h的短碳纤维/铜复合材料的显微组织和短碳纤维长度频率分布 Fig. 3 Microstructures of SCF/Cu composites by ball milling for different time((a)-(c)) and frequency...覆的碳纤维和铜球磨分散4 h后混合粉形貌 Fig. 6 Morphologies of degummed SCF without PR coating + Cu mixed powder after ball milling for 4 h 图7 球磨过程中酚醛树脂对碳纤维的分散和保护作用的SEM观察 Fig. 7 SEM observation......
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and high energy ball milling, then the powders prepared were sealed in evacuated quartz tubes for homogenization annealing at 1 123 K for 2 h. The phase structure and the microstructure of the alloys... the region near the least reflectivity peak. Key words: Y-Fe-Cr alloy; microwave absorber; arc melting method; high energy ball milling 随着现代雷达和微波电子技术的迅猛发展,使吸波材料在国防和民用领域得到广泛应用.特别是由于移动通讯和电子设备在日常生活中使用越来越广泛,因此......
; Abstract: Nano-crystalline pre-alloyed powders of W-Ni-Fe were fabricated by high energy ball milling mechanical alloying (MA) technique. The change of appearances and the crystallite sizes of powders before and after high energy ball milling were investigated by XRD, TOPAS P software, SEM and EDS. The results show......
="ChDivSummary" name="ChDivSummary">The ball milling process and the CuWO4-WO3 precursors were investigated, and a new highly concentrated wet ball-milled process(HWM) was designed. W-20 wt% Cu composite...Preparation of highly dispersed superfine W-20 wt% Cu composite powder with excellent sintering property by highly concentrated wet ball-milled processBo-Hua Duan,Zhen Fu,Cheng-Kang Qi,Hui-Jiang Liu......
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......
