Document Type
Journal Article
Publication Title
Corrosion Science
Volume
230
Publisher
Elsevier
School
School of Engineering / Centre for Advanced Materials and Manufacturing
Funders
Industrial grant / Jiangsu Province six talent peaks project / Edith Cowan University
Abstract
This work investigated the corrosion behavior of LPBF-produced Ti-6Al-4V under varying compression strains in a 3.5 wt% NaCl solution. It identifies that increasing compression strain causes significant alterations in the acicular a'-Ti phase (coarsening, breakage, and further coarsening). Corrosion resistance decreases with higher strains due to deformed a'-Ti phases, leading to increased film growth kinetics (from 0.09× 10−10 cm2/s increase to 12.75 × 10−10 cm2/s). Samples under higher strains (e.g., 32%) exhibit fluctuations in corrosion behavior due to initiated cracks and subsequent crevice corrosion. These findings are vital for understanding LPBF-produced Ti-6Al-4V in applications requiring mechanical strength and corrosion resilience.
DOI
10.1016/j.corsci.2024.111919
Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 License.
Comments
Qin, P., Chen, L. Y., Liu, Y. J., Liang, S. X., Sun, H., & Zhang. L. C. (2024). Corrosion and passivation behavior of laser powder bed fusion produced Ti-6Al-4V under various prior plastic deformation strains. Corrosion Science, 230, article 111919. https://doi.org/10.1016/j.corsci.2024.111919