共搜索到29670条信息,每页显示10条信息,共2967页。用时:0小时0分0秒538毫秒
High Purity Mullite-Corundum Thermal Insulating FirebricksWen Ni; Fengmei Liu(Resource Engineering School, University’ of Sctence and Technology Beijing Beijing. 100083, China)摘 要:Therlllalinsulating11rebricksofAl:O;-SiO,systemwithgoodthen.nalinsulatingabilityusLlallyhaveaservicetemperaturebelow1700oC[l--3].Olherfirebricks......
Trans. Nonferrous Met. Soc. China 24(2014) 1301-1306 Structure uniformity and limits of grain refinement of high purity aluminum during multi-directional forging process at room temperature Qing-feng... Received 24 June 2013; accepted 3 October 2013 Abstract: The effect of forging passes on the refinement of high purity aluminum during multi-forging was investigated. The attention was focused......
Na3AlF6-LiF体系下Al的水平电解精炼贾明1,田忠良1,赖延清1,刘芳洋1,李劼1,刘业翔1(1.湖南省长沙市中南大学冶金科学与工程学院)摘 要:在纯氟化物电解质体系下,以原Al为阳极,利用杂质与Al析出电位的差别,采用水平电解槽进行了Al的电解精炼提纯研究.结果表明:水平电解槽导致的电流密度分布不均没有对精炼过程造成不利影响,电解过程槽电压平稳;预电解对电解质净化效果明显,预电解后电解质中Cu,Si和P的含量分别降低到3.2×10-6,14×10-6和1.5×10-6.与三层液精炼Al相比,水平精炼阴......
High temperature performance of arc-sprayed aluminum bronze coatings for steel ZHANG Zhong-li(张忠礼)1, LI De-yuan(李德元)1, WANG Shui-yong(王水勇)2 1. School of Materials Science and Engineering... April 2006 Abstract: The high-temperature oxidation behavior of arc-sprayed aluminum bronze coatings on steel substrate was studied during isothermal exposures in air at 900 ℃. The surface......
the foams, two different metals and one kind of powder were employed: 99.9% high purity binary eutectic Al-Si alloy (Al-12.6Si from Fushun aluminum manufacture, China), high purity metal Ca (from Sichuan... closed-cell aluminum foams of high relative density must be either small in cell size or thick in cell wall. In this experiment, the relative density of Al-Si closed-cell aluminum foams are mainly......
......
]. Journal of Materials and Metallurgy, 2015, 14(4): 269-274. [15] ZHU Q F, LI L, BAN C Y, ZHAO Z H, ZUO Y B, CUI J Z. Structure uniformity and limits of grain refinement of high purity aluminum during... forging behaviors of high purity aluminum[J]. Journal of Materials Engineering, 2017, 45(4): 15-20. [18] 班春燕, 朱庆丰, 崔建忠. 一种超高纯铝细晶,高取向靶材的制备方法: CN102002653A[P]. 2011-04-06. BAN Chun-yan, ZHU Qing-feng, CUI......
, Erosion and Surface Technology, University of Science and Technology Beijing2. Institute of Technology Research and Development of Electronic Aluminum Foil, Guangxi Hezhou Guidong Electronics Technology Co., Ltd.摘 要:The morphology of etched aluminum foil was observed using scanning electron microscopy, which led to the establishment of a cylindrical model......
Direct Determination of Trace Impurities in High Purity Neodymium after In-Situ Analyte-Matrix Separation by Fluorination Assisted ETV-ICP-AES 吴英亮1,江祖成1,胡斌1,Ruth Wanjau2,何蔓1 (1.Department of Chemistry, Wuhan University, Wuhan 430072, China;2.Kenyatta University, Kenya) Abstract:Using PTFE as a chemical modifier, a method for the determination of trace impurities in high purity Nd2O3 by in-situ......
. There is a high accuracy load sensor in the extension machine, which is helpful to obtain high accuracy punch load. And the punch speed is selected as 10 mm/s. Table 1 Chemical composition of T2 foil (mass... Effect of die cavity dimension onmicro U deep drawing behaviour with T2 foil WANG Chun-ju(王春举)1, GUO Bin(郭 斌)1, 2, SHAN De-bin(单德彬)1, 2 1. School of Materials Science and Engineering, Harbin......