Abstract: The present disclosure is directed to a metal-containing apparatus including a substrate member constructed of a metal that is highly resistant to pitting corrosion and wear in aggressive media. An exemplary metal-containing apparatus is a plate heat exchanger. The metal includes an oxidation layer on the surface thereof and a thin metal oxide nanoporous film on top of the oxidation layer. The nanoporous film is highly compliant and is comprised of oxygen and aluminum, titanium, silicon, zirconium and combinations thereof.
Type:
Grant
Filed:
March 26, 2015
Date of Patent:
December 4, 2018
Assignee:
Wisconson Alumni Research Foundation
Inventors:
Marc A. Anderson, M. Isabel Tejedor, Ole Christensen