Element-resolved electrochemical analysis of the passivity of additively manufactured stainless steel 316L

被引：62
作者：
Choudhary, S. [1 ]
Cruz, V. [1 ]
Pandey, A. [1 ,2 ]
Thomas, S. [1 ]
Birbilis, N. [3 ]
机构：
[1] Monash Univ, Dept Mat Sci & Engn, Clayton, Vic 3800, Australia
[2] CSIR, AMPRI, Bhopal 462026, Madhya Pradesh, India
[3] Australian Natl Univ, Coll Engn & Comp Sci, Acton, ACT 2601, Australia
来源：
CORROSION SCIENCE | 2021年 / 189卷
关键词：
Additive manufacturing; Stainless steel; Passivity; Pitting; Spectroelectrochemistry; XPS; CORROSION-RESISTANCE; PITTING CORROSION; GRAIN-REFINEMENT; BEHAVIOR; DISSOLUTION; SURFACE; RELEASE; MECHANISM; STRENGTH; FILMS;
D O I：
10.1016/j.corsci.2021.109576
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The dissolution and passivation behavior of additively manufactured stainless steel 316L (AM-316L) prepared via selective laser melting was studied in quiescent 0.6 M NaCl. In a detailed comparison with the wrought stainless steel 316L (W-316L), it was determined via mass spectroelectrochemistry and x-ray photoelectron spectroscopy (XPS), that AM-316L exhibited a unique passive film relative to W-316L, resulting in a lower dissolution rate. The dissolution and enrichment of all alloying elements at open circuit potential and during polarisation were studied and elaborated.
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页数：9
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