共搜索到10703条信息,每页显示10条信息,共1071页。用时:0小时0分0秒415毫秒
......
......
Carbon solubility in Cu-based composite prepared by mechanical alloying RAN Xu(冉 旭)1,2, LIU Yong-bing(刘勇兵)1, BAO Xiao-jun(包晓军)1, 3, LIU Xue-ran(刘学然)1, AN Jian(安 健)1 1. Key Laboratory... powders. The phase constituent, alloying characteristics, grain size and lattice distortion of these powders were determined by X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron......
Microstructure evolution in nanocrystalline Cu-Nb alloy during mechanical alloying LEI Ruo-shan(雷若姗),WANG Ming-pu(汪明朴),GUO Ming-xing(郭明星),  ... during mechanical alloying (MA) was investigated by using X-ray diffraction, optical microscopy(OM), scanning electron microscopy (SEM) and transmission electron microscopy (TEM) observation. Upon......
; accepted 29 January 2010 Abstract: Reactive mechanical alloying (RMA) was carried out in a planetary ball mill for the synthesis of ternary hydride Mg2FeH6 for hydrogen storage. The formation... increases the hydrogen desorption rate of the complex in the initial 120 s of the desorption process. Key words: reactive mechanical alloying (RMA); metal hydride; hydrogen storage material......
Trans. Nonferrous Met. Soc. China 23(2013) 3604-3610 Microstructure and mechanical properties of as-cast Mg-Sn-Ca alloys and effect of alloying elements K. SURESH1, K.P. RAO1, Y.V.R.K. PRASAD2, N... that form in various alloys. Key words: Sn/Ca ratio; Mg-Sn-Ca alloys; alloying additions; microstructure, compressive strength 1 Introduction In view of their low density, high specific strength and damping......
CuCr bulk alloy produced by mechanical alloying and explosive compaction ZHAO Zheng(赵 铮)1, LI Xiao-jie(李晓杰)2, TAO Gang(陶 钢)1, DU Chang-xing(杜长星)1 1. College of Power Engineering, Nanjing...; Abstract: CuCr bulk alloy was produced by mechanical alloying and explosive compaction technology. Four kinds of milling time were used to analyze......
A novel finite element model for single-layered wire strandZHOU Wei(周伟)1, 2, TIAN Hong-qi(田红旗)1, 2(1. Key Laboratory of Traffic Safety on Track of Ministry of Education (Central South University),Changsha 410075, China;2. School of Traffic & Transportation Engineering, Central South University, Changsha 410075, China)Abstract:A new finite element model for single-layered strand......
structure on reactive element-doped samples[4-5]. RE or RE oxides are commonly added into alloys or coatings by different techniques, such as alloying[3], implantation [4] and sol-gel deposition[6...; oxidation; reactive element effect  ......
Bending stress of rolling element in elastic composite cylindrical roller bearingYAO Qi-shui(姚齐水)1, 2 , YANG Wen(杨文)2, YU De-jie(于德介)1, YU Jiang-hong(余江鸿)2(1. College of Mechanical and Vehicle... cylindrical roller bearing is proposed, in which PTFE is embedded into a hollow cylindrical rolling element, according to the principle of creative combinations and through innovation research......