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aluminum alloy LC4 was studied by atmospheric exposure test, combining the experimental techniques including mass loss, morphological check of samples and analysis of corrosion products. The products... of the corrosion products is related to the abundant chloride environment. Key words: aluminum alloy; atmospheric corrosion; salt lake; surface analysis ......
表面沉积NaCl和NaHSO3的低合金钢和碳钢在干湿交替条件下的腐蚀行为于全成1,王振尧1,汪川1(1.辽宁省沈阳市科学院金属研究所金属腐蚀与防护重点实验室)摘 要:利用Fourier变换红外(FTIR)光谱,XRD和SEM技术以及恒电流测试技术,研究了表面沉积NaCl和NaHSO3的低合金钢和碳钢在干湿交替条件下的腐蚀行为.结果表明,低合金钢和碳钢的腐蚀速率都随着实验周期的延长而减小,且其失重量基本相同,低合金钢并未表现出比碳钢优越的耐蚀性.主要腐蚀产物为α-FeOOH,Fe3O4,γ-FeOOH和硫酸盐,此......
. 关键词: 铜;大气腐蚀;原子力显微镜;石英晶体微天平; 中图分类号: TG172.3 收稿日期:1999-10-14 基金:国家自然科学基金!资助项目 ( 598991 4 4 ); Atmospheric corrosion of copper at initial stage in air containing... decreases with time and the corrosion products restrain the further corrosion on copper surface. [ Keyword: copper; atmospheric corrosion; atomic force microscopy (AFM......
atmospheric environment was investigated by wet/dry cyclic acceleration corrosion tests in this study.The corrosion process of carbon steel and weathering steel was divided into two stages and the reasons...Evolution of rust layers on carbon steel and weathering steel in high humidity and heat marine atmospheric corrosionYueming Fan1,Wei Liu1,Shimin Li1,Thee Chowwanonthapunya2,Banthukul......
Prediction model for atmospheric corrosion of 7005-T4 aluminum alloy in industrial and marine environmentsXiao-guang Sun1,Peng Lin1,Cheng Man2,Jian Cui1,Hai-bo Wang1,Chao-fang Dong2,Xiao-gang Li21. CRRC Qingdao Sifang Co.,Ltd.2. Corrosion and Protection Center,University of Science and Technology Beijing摘 要:Accelerated corrosion tests of the 7005-T4......
含SO2大气中20碳钢腐蚀产物的演变林翠1,2,赵晴3,刘月娥3,梁健能3(1.江西省南昌市南昌航空大学轻合金加工科学与技术国防重点学科实验室2.江西省南昌市南昌航空大学材料科学与工程学院3.南昌航空大学 "轻合金加工科学与技术"国防重点学科实验室)摘 要:采用模拟大气腐蚀系统,利用OM,SEM,XRD和局部交流阻抗测试(LEIS)等研究了20碳钢在高湿度SO2大气环境中腐蚀产物的形态变化和生长过程.结果表明,20碳钢表面首先生成Fe(OH)2膜,Fe(OH)2膜在酸性介质中发生破裂形成头部为绿色的丝状物,丝状......
highly reactive (standard potential –2.37 V) and has low hardness. Therefore, it is prone to atmospheric corrosion, and has poor wear resistance. These are actually the main obstacles... Corrosion and wear properties of electroless Ni-P plating layer on AZ91D magnesium alloy LI Zhong-hou(李忠厚)1, CHEN Zhi-yong(陈志勇)1, LIU Sha-sha(刘沙沙)1, ZHENG Feng(郑 峰)2, DAI A-gan(戴阿赶)2......
A, THIERRY D. Rate-determining reactions of atmospheric corrosion [J]. Electrochimica Acta, 2004, 49: 2717-2724. [5] BENOUNIS M, RENAULT N. Elaboration of an optical fibre corrosion sensor for aircraft... Preparation and performance of fluorescent sensing coating for monitoring corrosion of Al alloy 2024 LI Song-mei(李松梅), ZHANG Hong-rui(张洪瑞), LIU Jian-hua(刘建华) School of Materials Science......
is an effective protection measure for steel against atmospheric corrosion. And phosphating is one of the most important chemical conversion processes for corrosion protection or painting primer... Morphology and corrosion resistance of composite coatings obtained by phosphating and molybdate post-sealing on galvanized steel XU Yu-ye(徐玉野)1, LIN Bi-lan(林碧兰)2, LU Jin-tang(卢锦堂)2 1. College......
碳钢和耐候钢的大气腐蚀 李巧霞1,韩薇1,韩恩厚1,王振尧1 (1.中国科学院金属研究所,金属腐蚀与防护国家重点实验室,沈阳,110016) 摘要:回顾了近年来碳钢和耐候钢大气腐蚀研究,比较了两种钢的腐蚀行为.重点分析了两种钢在腐蚀过程,腐蚀产物组成及影响因素等方面的相似性;同时讨论了两种钢的腐蚀速度和锈层结构的差异性. 关键词:碳钢; 耐候钢; 大气腐蚀; carbon steel; weathering steel; atmospheric corrosion; [全文内容正在添加中] ......
