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Unique microstructure and property of a 2024 aluminum alloy subjected to upsetting extrusion multiple processingLI Xiaoqiang, LI Yuanyuan, CHEN Weiping, LONG Yan, HU Lianxi, and WANG Erde1) College... id="ChDivSummary" name="ChDivSummary"><正> The microstructure and hardness of a 2024 aluminum alloy subjected to multi-pass upsetting extrusion at ambient temperature were studied. Experimental......
Influence of Extrusion Joint on Microstructural Evolution and Properties of Mg Alloy SheetQing-Shan Yang1,2,Zu-Jian Yu1,Hu-Cheng Pan3,Qing-Wei Dai1,Jian-Hui Li11. School of Metallurgy and Materials... University摘 要:The mechanical behaviour of AZ31 magnesium alloy sheet with the extrusion joint(EJ) was evaluated.Extruded joint of AZ31 alloy sheets......
; Deformation behaviors of AZ31 magnesium alloy by equal channel angular extrusion LU Jun, JIN Li, DONG Jie, ZENG Xiao-qin, DING Wen-jiang, YAO Zhen-yi (National Engineering Research Center... processed by as-extrusion and equal channel angular extrusion (ECAE) was investigated. The results show that there is a reverse Hall-Petch relationship between the yield stress and the grain size of ECAE......
Recent Progress and Development in Extrusion of Rare Earth Free Mg Alloys: A ReviewShuai-Ju Meng1,Hui Yu1,Shao-Da Fan1,Qi-Zhi Li1,Sung Hyuk Park2,Joung Sik Suh3,Young Min Kim3,Xiao-Long Nan4,Ming-Zhe... out to meet this increasing demand of high-performance Mg alloys. However, Mg extrusion alloys have had a very limited usage so far. To overcome existing industrial challenges, one desirable approach......
Effect of extrusion on corrosion behavior and corrosion mechanism of Mg-Y alloy徐宏1,张新2,3,张奎3,石阳4,任霁萍11. School of Materials Science and Engineering, North University of China2. Institute of Thermal...">The influences of the hot extrusion process on the microstructure, corrosion behavior and corrosion mechanism for Mg-Y magnesium alloy were studied by means of the microstructure observation, weight loss test......
Effect of extrusion on corrosion behavior and corrosion mechanism of Mg-Y alloy徐宏1,张新2,3,张奎3,石阳4,任霁萍11. School of Materials Science and Engineering, North University of China2. Institute of Thermal...">The influences of the hot extrusion process on the microstructure, corrosion behavior and corrosion mechanism for Mg-Y magnesium alloy were studied by means of the microstructure observation, weight loss test......
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碘量法测定进口蒙古铁矿石中全铁 连俊峰1,张梅1,王巧玲1,王再田1,耿刚强1,宁国东1,丁慧1,于玥1 (1.二连浩特出入境检验检疫局技术中心,内蒙古二连浩特,011100) 摘要:提出了用间接碘量法测定蒙古铁矿石中全铁的方法.对样品溶解,氧化,滴定酸度和终点返色现象等进行试验,并讨论了过量碘化钾对反应平衡影响.通过计算反应平衡常数(K),判断Fe(Ⅱ)氧化碘离子(I~-)析出碘分子(I_2)反应的完全程度,并对本法测定铁矿石中全铁准确度,精密度和操作条件进行评估,标准样品和实际样品的测定值与认定值或其他方法测定值相符,RSD 关键词:间接碘量法; 铁矿石; 反应平衡常数; 全铁; indirect iodometry; iron ore; reaction equilibrium constant; total iron; [全文内容正在添加中] ......
