Corrosion mechanism of amorphous alloy strengthened stainless steel composite fabricated by selective laser melting

被引：42

作者：

Zhang, Yuanjie ^{[1
]}

Song, Bo ^{[1
]}

Ming, Jun ^{[2
]}

Yan, Qian ^{[1
]}

Wang, Min ^{[1
]}

Cai, Chao ^{[1
]}

Zhang, Cheng ^{[1
]}

Shi, Yusheng ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, Sch Mat Sci & Engn, Wuhan 430074, Peoples R China

[2] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resource Utilizat, Changchun 130022, Peoples R China

来源：

CORROSION SCIENCE | 2020年 / 163卷

关键词：

Selective laser melting; Amorphous alloys; Stainless steel; Pitting corrosion; 316L; BEHAVIOR; MICROSTRUCTURE; RESISTANCE; NANOCOMPOSITES; FE;

D O I：

10.1016/j.corsci.2019.108241

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The anti-corrosion behaviors of SLM-processed 316L stainless steel (SLMed-SS) with amorphous alloy additive (SLMed-composite) have been investigated, where the pitting of SLMed-composite is easy to be suppressed compared to that of SLMed-SS particularly once the pitting occurred. In addition, the pitting incubation time of SLMed-composite is confirmed to be longer than that of SLMed-SS by potentiostatic polarization under the same potential. More importantly, we confirm that the improved anti-corrosion properties are ascribed to the grain refinement and particularly the different passive film on SLMed-composite, which contains the yttrium oxide and solid solution of additional elements such as Cr and Mo.

引用

页数：7

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