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时,其氢脆敏感性将有所提高. 关键词:热浸镀锌层;氢渗透;大气腐蚀;氢脆 中图分类号:TG 174.41 文献标识码:A Effect of humidity on hydrogen embrittlement susceptivity of hot-dip galvanized steel exposed... after fracture of galvanized steel specimens; some lacerated phenomena occur in the fracture fringe, indicating that galvanized steels show higher hydrogen embrittlement susceptivity when being exposed......
Corrosion Inhibition of Galvanized Steel in NaCl Solution by TolytriazoleYanhong Yan1,2,Hongwei Shi1,Jun Wang2,Fuchun Liu1,En-Hou Han11. CAS Key Laboratory of Nuclear Materials and Safety Assessment... for galvanized steel was studied in 5 mM NaCl by using potentiodynamic polarization and electrochemical impedance spectroscopy(EIS), scanning vibrating electrode technique(SVET). The results of EIS......
; Abstract: Galvanized steel sheets were joined by tungsten inert gas(TIG... the research of such technology gets extensive recognitions by researchers at home and abroad[3-6]. Arc brazing of galvanized steel sheets were studied using copper based filler and it is found that the joint......
热镀锌表面镧盐转化膜生长机理的研究孔纲1,刘仁彬2,卢锦堂2,车淳山2,钟正2(1.广东省广州市华南理工大学材料科学与工程学院2.华南理工大学 材料学院)摘 要:在常规稀土镧盐钝化液中添加以柠檬酸添加剂,从而在热镀锌层表面获得镧盐转化膜.采用中性盐雾实验(NSS)分析膜层耐蚀性能,确定最佳成膜时间范围.通过扫描电镜(SEM),能谱仪(EDS),X射线光电子能谱(XPS),红外光谱(IR)分析了膜层的结构,微观形貌和化学成分.结果表明,转化膜耐蚀性能与铬酸盐钝化膜相当;膜层微观上存在裂纹,且裂纹随着成膜时间的延长......
Corrosion behavior and mechanism of the automotive hot-dip galvanized steel with alkaline mud adhesionHong Zhang1), Xiao-gang Li1), Cui-wei Du1), and Hui-bin Qi2) 1) School of Materials Science...="ChDivSummary" name="ChDivSummary">The corrosion behavior and mechanism of hot-dip galvanized steel and interstitial-free (IF) substrate with alkaline mud adhesion were investigated by scanning electron......
; Abstract:The flange butt joints of 1 mm-thick galvanized steel sheets were.... Key words: laser brazing; interface characteristic; laser energy input mode; weld; galvanized steel  ......
热镀锌TRIP钢中马氏体对力学性能的影响定巍1,唐荻2,江海涛2,黄伟2(1.北京市北京科技大学高效轧制国家工程技术研究中心2.北京科技大学 高效轧制国家工程研究中心)摘 要:利用SEM,TEM,XRD,相变实验和拉伸实验等方法,分析测试了3种热处理工艺下热镀锌TRIP钢的微观组织,相变产物和力学性能,并运用碳扩散平衡理论分析了不同热处理工艺下实验用钢的马氏体量,研究了马氏体量对力学性能的影响.研究表明:贝氏体等温相变时间影响组织中的马氏体量,当贝氏体转变时间由20 s增加到60 s时,试样中马氏体量由7.08......
Crystallographic research of spangle on hot dip galvanized steel sheets LU Jin-tang(卢锦堂), WANG Xin-hua(王新华), CHE Chun-shan(车淳山), KONG Gang(孔 纲), CHEN Jin-hong(陈锦虹), XU Qiao-yu(许乔瑜) College...; Abstract: The spangles on hot dip galvanized steel sheet were investigated......
Corrosion Protection of Electro-Galvanized Steel by Green Conversion Coatings Habib Ashassi-Sorkhabi1,Heshmat Allah Yaghobkhani Ghiasvand1,Mirghasem Hosseini1 (1.Electrochemistry Research... and treated mild galvanized steel was evaluated during exposure to 0.5 mol·L-1 NaCl for different immersion time, using Tafel polarization curves and electrochemical impedance spectroscopy (EIS......
CSP热卷生产冷轧镀锌产品表面质量控制刘茂林1,范鼎东1,徐安军2(1.安徽省马鞍山市马鞍山钢铁股份有限公司第一钢轧总厂2.北京科技大学 冶金学院,北京 100083)摘 要:CSP工艺生产的热轧卷作为冷轧原料生产冷轧镀锌产品的表面质量较难控制.冷轧镀锌产品表面缺陷多种,共生,消除缺陷需要确定缺陷类别,产生工序和相应的控制点.讨论了一种由薄板坯纵裂纹衍生而产生的冷轧镀锌产品表面缺陷控制方法.通过对钢水精炼工艺和CSP铸机工艺参数的调整,此种表面缺陷控制取得明显效果.关键词:CSP热轧卷; 冷轧镀锌......