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Trans. Nonferrous Met. Soc. China 24(2014) 1709-1716 Friction stir keyholeless spot welding of AZ31 Mg alloy-mild steel Zhong-ke ZHANG1, Xi-jing WANG1, Pei-chung WANG2, Gang ZHAO1 1. State Key... Mound Road, Warren, MI, 48090, USA Received 3 July 2013; accepted 18 November 2013 Abstract: Friction stir keyholeless spot welding (FSKSW) using a retractable pin for 1.0 mm thick galvanized mild......
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应用SPOT遥感影像进行大比例尺地质填图研究王刚,阿其娜,郝伟内蒙古地质勘查有限责任公司摘 要:本次研究选择SPOT影像数据,基于其具有很高的空间分辨率,做1:10000的大比例尺填图工作.制图的基本流程与过去的中小比例尺的地质填图工作有比较大的区别,在具体影像数据的处理方面,以及一些新技术的应用方面有很多改变和提高.本文通过在矿区做填图工作得到的解译信息,确定地质构造以及岩层,岩性等方面的状况,判定研究区内的成矿特征,矿产类型等内容,为今后的地质矿产勘查工作提供参考依据.关键词:地质填图;遥感解译;矿产勘查;......
Effect of Lanthanum on Disease Resistance Related Enzymes of Rape 朱建国1,张雅莉1,曾青1,谢祖彬1,褚海燕1 (1.Laboratory of Material Cycling in Pedosphere, Institute of Soil Science, Chinese Academy of Sciences... decreases. However, the treatments do not change the content of soluble protein in rape significantly. Key words:polant pathology; lanthanum; rape; activities of resistance related enzymes; rare......
Effects of electric parameters on corrosion resistance of anodic coatings formed on magnesium alloys ZHANG Shu-fang(张淑芳)1, 2, HU Guang-hui(胡光辉)3, ZHANG Rong-fa(张荣发)1, 2, JIA Zhi-xiang(贾.../L phytic acid. The effects of electric parameters including frequency, final voltage, duty cycle and current density on the corrosion resistance of anodic coatings formed on the magnesium alloys were......
Development of liquid-nitrogen-cooling friction stir spot welding for AZ31 magnesium alloy jointsDong Wu,Jun Shen,Meng-bing Zhou,Liang Cheng,Jia-xing SangState Key Laboratory of Mechanical Transmission, College of Materials Science & Engineering, Chongqing University摘 要:A liquid-nitrogen-cooling friction stir spot welding(C-FSSW) technology......
Corrosion resistance of Mg-Mn-Ce magnesium alloy modified by polymer plating SANG Jing(桑 静), KANG Zhi-xin(康志新), LI Yuan-yuan(李元元) School of Mechanical and Automotive Engineering... of 6-dihexylamino-1, 3, 5-triazine-2, 4-dithiol monosodium (DHN) to improve its corrosion resistance. The electrochemical reaction process was analyzed by cyclic voltammetry and two obvious peaks......
Growth process and corrosion resistance of micro-arc oxidation coating on Mg-Zn-Gd magnesium alloys WANG Ping(王 萍)1, 2, LIU Dao-xin(刘道新)1, LI Jian-ping(李建平)2, GUO Yong-chun(郭永春)2, YANG Zhong(杨 忠... and corrosion resistance of the alloy were studied using scanning electron microscopy (SEM), glancing angle X-ray diffractometry (GAXRD) and various electrochemical methods. The micro-arc oxidation process......
Growth and corrosion resistance of molybdate modified zinc phosphate conversion coatings on hot-dip galvanized steel LIN Bi-lan(林碧兰), LU Jin-tang(卢锦堂), KONG Gang(孔 纲), LIU Jun(刘 军) School... on hot-dip galvanized(HDG) steel when 1.0 g/L sodium molybdate were added in a traditional zinc phosphate solution. The growth performance and corrosion resistance of the modified ZPC were investigated......
Effect of Sleeve Plunge Depth on Interface/Mechanical Characteristics in Refill Friction Stir Spot Welded JointGuang-Da Sun1,2,Li Zhou1,2,Ren-Xiao Zhang2,Ling-Yun Luo2,Hao Xu2,Hong-Yun Zhao2,Ning... at Weihai3. State Key Laboratory of Advanced Metals and Materials,University of Science and Technology Beijing摘 要:Refill friction stir spot welding......