Improved corrosion fatigue performance of 316L stainless steel by surface porosification

被引：1

作者：

Tsuchiya, Hiroaki ^{[1
]}

Yamada, Natsuko ^{[1
]}

Miyabe, Sayaka ^{[1
]}

Doi, Kotaro ^{[1
,2
]}

Fujimoto, Shinji ^{[1
]}

机构：

[1] Osaka Univ, Grad Sch Engn, Div Mat & Mfg Sci, 2-1 Yamada Oka, Suita, Osaka 5650871, Japan

[2] Natl Inst Mat Sci, 1-2-1 Sengen, Tsukuba, Ibaraki 3050047, Japan

来源：

MATERIALS LETTERS | 2023年 / 353卷

基金：

日本学术振兴会;

关键词：

316L stainless steel; Surface treatment; Porosification; Corrosion fatigue; NaCl solution; ANODIZATION; BEHAVIOR; PORES;

D O I：

10.1016/j.matlet.2023.135265

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The corrosion fatigue of 316L stainless steel with different surface morphologies was examined by cyclic deformation tests in a NaCl solution. Three different surface treatments were applied to the steel, i.e., mechanical polishing, electropolishing and anodization. The surface roughness depended on the treatments; the highest roughness was obtained for the anodized specimen owing to the formation of dimple structure. The formation of the dimple structure significantly increased the corrosion fatigue life compared to the other treatments. The improved corrosion fatigue performance was discussed in terms of the formation of slip steps on the steel surface.

引用

页数：4

共 8 条

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