Initial stages of the HCl-induced high-temperature corrosion of alloy 310
Journal article, 2007

Polished 310 stainless steel coupons were exposed isothermally in a horizontal tube furnace at 500 C for 1-168 h. The exposure gas consisted of N-2 with 5% O-2 and 500 ppm HCl(g). The corroded samples were analyzed by X-ray diffraction, focused ion beam microanalysis, scanning electron microscopy with energy-dispersive X-ray analysis, and by Auger electron spectroscopy. Mass gain was recorded. As expected, HCl (g) is a corrosion accelerator, the dominating corrosion products being FeCl2, Fe2O3, and Cr2O3. A tentative mechanism for the initial stages of the HCl-induced corrosion of stainless steel is presented. (c) 2007 The Electrochemical Society.

Author

Nicklas Folkeson

Chalmers, Chemical and Biological Engineering, Environmental Inorganic Chemistry

Lars-Gunnar Johansson

Chalmers, Chemical and Biological Engineering, Environmental Inorganic Chemistry

Jan-Erik Svensson

Chalmers, Chemical and Biological Engineering, Environmental Inorganic Chemistry

Journal of the Electrochemical Society

0013-4651 (ISSN)

515-521

Subject Categories

Chemical Sciences

More information

Created

10/6/2017