Wettability of Metallic Oxides—Application to Stainless Stell Acid-Base Properties

199815 citationsJournal Article

Authors

C. Vittoz · Institut polytechnique de Grenoble

Marc Mantel · Université Général Lansana Conté

J.C. Joud · Institut polytechnique de Grenoble

Abstract

Abstract The Brönsted acid-base properties of oxides of metallic systems are investigated by contact angle measurements of water droplets for different pH. Theoretical analysis based on the electrical and chemical variations of the solid/liquid interfacial tension allows to understand the experimental results observed on model oxide surfaces as SiO2 and Al2O3. Similar wetting measurements are performed on the passive films of a model Fe-Cr-Si alloy and 304 stainless steel. Significant correlations are observed between the contact angle-pH curve and the oxide composition of the passive films deduced from XPS analysis. Key Words: Contact angle measurementswaterpHsurface tensioninterfacial tensionoxide compositionmodel surfacespassive film

Topics & Keywords

Polymer Surface Interaction Studies Analytical chemistry methods development Surface Modification and Superhydrophobicity

UN Sustainable Development Goals

Clean water and sanitation

Publication Details

Published in: The Journal of Adhesion

Volume 67, Issue 1-4, pp. 347-358

DOI: 10.1080/00218469808011116

Field-Weighted Citation Impact: 0.38