Influence of surface mechanical attrition treatment (SMAT) on the corrosion behaviour of AISI 304 stainless steel

被引：182

作者：

Balusamy, T. ^{[1
,2
]}

Narayanan, T. S. N. Sankara ^{[1
,3
]}

Ravichandran, K. ^{[2
]}

Park, Il Song ^{[3
]}

Lee, Min Ho ^{[3
]}

机构：

[1] CSIR, Natl Met Lab, Madras Ctr, Madras 600113, Tamil Nadu, India

[2] Univ Madras, Dept Analyt Chem, Madras 600025, Tamil Nadu, India

[3] Chonbuk Natl Univ, Sch Dent, Dept Dent Biomat, Jeonju 561756, South Korea

来源：

CORROSION SCIENCE | 2013年 / 74卷

关键词：

Stainless steel; Polarization; Potentiostatic; EIS; Passive films; Pitting corrosion; AUSTENITIC STAINLESS-STEELS; PITTING CORROSION; PLASTIC-DEFORMATION; LOCALIZED CORROSION; STRAIN-RATE; NANOCRYSTALLINE MATERIALS; MAGNESIUM ALLOY; WORK FUNCTION; COLD-WORKING; CARBON-STEEL;

D O I：

10.1016/j.corsci.2013.04.056

中图分类号：

T [工业技术];

学科分类号：

120111 [工业工程];

摘要：

The influence of surface mechanical attrition treatment (SMAT) on the corrosion behaviour of AISI 304 stainless steel in 0.6 M NaCl was studied. SMAT of 304 SS induced plastic deformation, enabled formation of mechanical twins and strain induced alpha-martensite phase, increased the surface roughness and imparted compressive residual stress. SMAT caused a deleterious influence on the corrosion resistance of 304 SS in 0.6 M NaCl. Double log plots of current-time transients at 25 mV((SCE)) indicate formation of defective passive film on SMATed 304 SS. Increase in surface roughness, strain induced martensite and dislocations nullify the beneficial influence of surface nanocrystallization. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：332 / 344

页数：13

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