Corrosion resistance of duplex stainless steels in lected organic acids and organic acid/chloride
environments
贝多芬名言期刊名称： Anti-Corrosion Methods and Materials
作者： Adams, F.V., Olubambi, P.A., Potgieter, J.H., Van Der Merwe, J.
年份： 2010年
如果还有下辈子期号： 第3期
泡利原理生活美好的句子关键词： Practical/ alloy steel; austenitic steel; chemical engineering; chlorine compounds; corrosion resistance; electrochemical analysis; organic compounds;
stainless steel/ duplex stainless steel; organic acid; organic chloride; corrosion behaviour; microstructural examination; acetic acid; electrochemical technique;
六年级读后感alloy 2507; alloy 2205; citric acid; corrosion resistance; Alloy 2507; ferrite
眼睛凹陷
composition; austenite composition; pha compositional analysis; galvanic
矮向日葵
corrosion; chemical compositions/ E1710 Engineering materials E3626 Chemical industry E1020 Maintenance and reliability E1520N Surface treatment and
coating techniques E1525 Industrial process
摘要：Purpo - The purpo of this paper is to supplement the scant previous investigations on the corrosion behaviour of 2205 and 2507 duplex stainless steels in lected organic acids containing chloride additions.
Design/methodology/approach - Microstructural examination of the alloys was first carried out, after which the corrosion behaviour of the alloys in citric, oxalic, formic and acetic acids containing chloride additions at varying temperatures was studied using electrochemical techniques. Findings - The alloy 2507 material had a larger grain size than did the alloy 2205 sample. The corrosion resistances of the alloys generally are highest in acetic acids and lowest in citric acid. The addition of chloride had a pronounced effect on their corrosion resistance. Alloy 2507 generally exhibited higher corrosion resistance in all
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