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strength 7xxx series aluminium alloys are usually difficult to be prepared as semi-solid feedstock,because some dispersoid particles(soluble only in liquid) could pin at grain and subgrain boundary...Formation of Fine Spheroidal Microstructure of Semi-Solid Al-Zn-Mg-Cu Alloy by Hyperthermally and Subsequent Isothermally ReheatingGang Chen1,Jufu Jiang1,Zhiming Du1,Qi Cao1,Hongwei Li2,3,Xin......
氟盐取代络合滴定法测定铝锰合金中铝含量钟国秀1,黄清华2,晏高华1(1.湖北省武汉市湖北省机电研究设计院2.湖北省建材研究设计院,湖北武汉 430071)摘 要:采用一种无需预先分离铁,锰,直接用氟盐取代络合滴定法测定铝锰合金中铝含量.试样经盐酸和H2O2溶解后,在一定量的铜离子存在下,加入过量的EDTA溶液,使其与溶液中铁,锰,铜等金属离子络合,煮沸溶液使铝也全部形成络合物,以PAN为指示剂,用铅的标准溶液回滴过量EDTA,加入氟化物使Al-EDTA络合物解蔽,释放出与铝等量EDTA,再用铅的标准溶液滴定,由......
Recovery of Co(Ⅱ) and Ni(Ⅱ) from hydrochloric acid solution of alloy scrap SHEN Yong-feng(申勇峰)1, 2, XUE Wen-ying(薛文颖)3, NIU Wen-yong(牛文勇)3 1. Key Laboratory for Anisotropy and Texture... the hydrochloric acid leaching solution of alloy scraps. The process consists of five major unit operations: 1) leaching with 6 mol/L hydrochloric acid under the L/S ratio of 10?1 at 95 ℃ for 3 h; 2) copper......
and mechanical properties of Al-6Zn-2Mg-1.5Cu-0.4Er alloy LIU Ying-ying(刘莹颖), XIA Chang-qing(夏长清), PENG Xiao-min(彭小敏) School of Materials Science and Engineering, Central South University, Changsha...; Abstract: The microstructures and mechanical properties of A1-6Zn-2Mg-1.5Cu-0.4Er alloy under different treatment conditions were......
Mechanical properties and thermal stability of 7055 Al alloy by minor Sc additionChong-Yu Liu1,2,Guang-Biao Teng1,Zong-Yi Ma2,Li-Li Wei1,Wen-Biao Zhou3,Hong-Feng Huang1,Hai-Quan Qi11. Key Laboratory...,Chinese Academy of Sciences3. Alnan Aluminium Co.,Ltd摘 要:This study investigated the effect of 0.25 wt% Sc addition on the microstructure and mechanical......
敏感性 中图分类号:TG 249.9 文献标识码: A Quenching sensitivity of 7050 aluminium alloy hot-rolled plate ZHANG Yong1, 2, DENG Yun-lai1, 2, ZHANG Xin-ming1, 2, LIU Sheng-dan1... of Education, Changsha 410012, China) Abstract: The quenching sensitivity of 7050 aluminium alloy hot-rolled plate was studied by using end quenching test and optical microscopy (OM) and transmission......
; 2. Yik Shing Tat Industrial Co., Ltd., Shenzhen 518101, China) Abstract: Sn-Ag-Cu series alloy is considered as the lead-free alternative to lead-tin alloys. A new method was introduced to measure.... Sn-3.5Ag-0.75Cu与Sn-3.0Ag-0.5Cu钎料蠕变压痕测试表明合金成分影响Sn-Ag-Cu系无铅钎料的力学性能. 关键词: 无铅钎料; 微压痕; 弹性模量; 蠕变速率敏感指数; Sn-Ag-Cu系 中图分类号: TG146.1 文献标识码: A Measurement of mechanical properties of Sn-Ag-Cu series lead-free......
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corrosion of magnesium alloy AZ91D in contact with aluminium alloy, steel and zinc [J]. Corrosion Science, 2004, 46: 955-977. [4] TUNOLD R, HOLTAN H, BERGE M H, LASSON A, HANSEN R S. The corrosion... Corrosion behavior of AZ31 magnesium alloy in simulated acid rain solution LIU Feng(刘 锋), SONG Ying-wei(宋影伟), SHAN Da-yong(单大勇), HAN En-hou(韩恩厚) State Key Laboratory for Corrosion......
