Improved corrosion resistance of 316L stainless steel by nanocrystalline and electrochemical nitridation in artificial saliva solution

被引：17
|
作者：
Lv Jinlong [1 ,2 ]
Liang Tongxiang [1 ,2 ]
机构：
[1] Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing Key Lab Fine Ceram, Beijing 100084, Peoples R China
[2] Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2015年 / 359卷
基金：
中国国家自然科学基金;
关键词：
Stainless steel; EIS; Raman spectroscopy; Passive films; XPS; POINT-DEFECT MODEL; PASSIVE FILMS; PRE-DEFORMATION; NITROGEN; BEHAVIOR; SURFACE; FLUORIDE; IMPLANT; ALLOYS;
D O I：
10.1016/j.apsusc.2015.09.267
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 fluoride ion in artificial saliva significantly changed semiconductor characteristic of the passive film formed on the surface of 316L stainless steels. The electrochemical results showed that nanocrystalline alpha'-martensite improved corrosion resistance of the stainless steel in a typical artificial saliva compared with coarse grained stainless steel. Moreover, comparing with nitrided coarse grained stainless steel, corrosion resistance of the nitrided nanocrystalline stainless steel was also improved significantly, even in artificial saliva solution containing fluoride ion. The present study showed that the cryogenic cold rolling and electrochemical nitridation improved corrosion resistance of 316L stainless steel for the dental application. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：158 / 165
页数：8
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