Electrochemical studies on the effect of residual stress on the corrosion of 316L manufactured by selective laser melting

By V. Cruz, Q. Chao, Nick Birbilis, D. Fabijanic, Peter Hodgson, Sebastian Thomas. 2020

177 citations recorded by the source corpus.

Abstract Selective Laser Melting (SLM) and various subsequent stress-relieving treatments were used to obtain 316 L specimens with compressive residual stresses, varying from 15 to 250 MPa. This enabled a study on the effect of residual stress on corrosion of 316 L using electrochemical methods, which is relevant for durability of additively manufactured materials. Overall, compressive stresses in SLM 316 L result in a measurable increase in the pitting potential, accompanied by a decrease in the passive film currents and donor densities. It is proposed that compressive stresses lower the film growth and repassivation kinetics but slightly enhances the pitting resistance of SLM 316 L.

Subfields: Mechanical Engineering

View Paper: https://www.semanticscholar.org/paper/0da84c1408880622999595dcbf4d52dbaed97e11

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Mechanical Engineering

1. A. H. Ettefagh
2. M. Laleh
3. M. Moyle
4. S. Primig
5. Shengmin Guo
6. N. Haghdadi
7. J. Raush

Citations in the corpus

• Additive manufacturing of steels: a review of achievements and challenges (2020, background): “There is still no agreement on the mechanism behind the drastic decline in pitting corrosion resistance after subjecting to temperatures above 1000 C, although some authors believe that formation of detrimental MnS inclusions is responsible for this phenomenon [64] while others propose that release ”
• Corrosion performance of additively manufactured stainless steel parts: A review (2020, background): “which increases the resistance to pit initiation and decreases the passive film growth rate [12].”