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Use of inkjet printing to deposit magnesium chloride salt patterns for investigation of atmospheric corrosion of 304 stainless steel

DOI: 10.1016/j.corsci.2011.05.055 DOI Help

Authors: Na Mi (School of Metallurgy and Materials) , Majid Ghahari (University of Birmingham) , Trevor Rayment (Diamond Light Source) , Alison Davenport (University of Birmingham)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Corrosion Science , VOL 53 (10) , PAGES 3114-3121

State: Published (Approved)
Published: October 2011

Abstract: Inkjet printing was used to deposit MgCl2 salt patterns on 304 stainless steel foils to investigate atmospheric corrosion. Results were found to be more consistent if initial hydration (1 h at ∼90% RH) of the printed salt pattern was carried out. The pit diameter following exposure at 45% RH and 300 K for 24 h was found to increase with the diameter of the original salt deposit, which is consistent with the idea of cathodic limitation of the pit current. For a constant deposition area, the pit diameter increases with increased salt deposition density, which may be associated with a lower ohmic drop resulting from a higher droplet, or could be influenced by enhanced corrosion during the initial hydration stage.

Journal Keywords: Stainless Steel; Atmospheric Corrosion

Subject Areas: Chemistry

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Added On: 16/09/2011 11:40

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