Atmospheric corrosion of A3 steel deposited with different salts

被引：3
|
作者：
Wan, Y [1 ]
Yan, CW [1 ]
Cao, CN [1 ]
机构：
[1] Chinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
来源：
ACTA PHYSICO-CHIMICA SINICA | 2004年 / 20卷 / 06期
关键词：
steel A3; salt; deposition; atmospheric corrosion;
D O I：
10.3866/PKU.WHXB20040622
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The atmospheric corrosion of A3 steel with Na2SO4,(NH4) SO4,NH4Cl and NaCl deposited on it has been investigated at 298 K with relative humidity of (85 +/- 5) %. The results show: that A3 steel deposited by the salts corroded more and more seriously as the corrosion time went on and metal loss obeys the equation of Deltam/ A = K . t(h). FTIR, SEM and XRD were utilized to study the development and characterization of corrosion products, and the results indicate that A3 steel with the salts deposited corroded much faster than the blank samples, and the corrosion of A3 steel initialed along the deposition area of the salts.
引用
收藏
页码：659 / 663
页数：5
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