The effects of ball milling time and surface enriched chromium on microstructures and corrosion resistance of AISI 304 stainless steel

被引：14
作者：
Lv, Jinlong [1 ]
Guo, Wenli [2 ]
Liang, Tongxiang [3 ]
Yang, Meng [1 ]
机构：
[1] Tohoku Univ, Sch Engn, Fracture & Reliabil Res Inst, Sendai, Miyagi 9808579, Japan
[2] Tsinghua Univ, Minist Educ, Key Lab Adv Reactor Engn & Safety, Collaborat Innovat Ctr Adv Nucl Energy Technol,In, Beijing 100084, Peoples R China
[3] Jiangxi Univ Sci & Technol, Sch Mat Sci & Engn, Ganzhou, Peoples R China
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2017年 / 197卷
基金：
中国国家自然科学基金;
关键词：
Deformation working; Microstructure; Phase transformation; Surface; Corrosion inhibitor; 316L STAINLESS-STEEL; MECHANICAL ATTRITION TREATMENT; BORATE BUFFER SOLUTION; STACKING-FAULT ENERGY; PASSIVE FILM; SEMICONDUCTING PROPERTIES; ELECTROCHEMICAL-BEHAVIOR; NANOCRYSTALLINE; DEFORMATION; COATINGS;
D O I：
10.1016/j.matchemphys.2017.05.026
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study showed that the increasing of ball milling time caused a beneficial surface chromium enrichment of AISI 304 stainless steel. In addition, grain size decreased with the increasing of ball milling time. The electrochemical results showed that oxidation reaction transition of Cr2O3 to CrO3 was significantly inhibited by surface enriched chromium, which improved corrosion resistance of AISI 304 stainless steel. Moreover, higher surface enriched chromium reduced acceptor concentration in passive film, which also improved corrosion resistance of AISI 304 stainless steel. Moreover, more chromium oxides improved corrosion resistance of AISI 304 stainless steel in borate buffer solution. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：79 / 86
页数：8
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