In situ synchrotron X-ray micro-tomography study of pitting corrosion in stainless steel

DOI: 10.1016/j.corsci.2011.05.040

Authors: Seyed Ghahari (University of Birmingham) , Alison J. Davenport (University of Birmingham) , Trevor Rayment (University of Birmingham; Diamond Light Source) , Thomas Suter (EMPA) , Jean-Philippe Tinnes (University of Birmingham) , Cristiano Padovani (Nuclear Decommissioning Authority) , Josh Hammons (University of Birmingham) , Marco Stampanoni (Swiss Light Source; University and ETH Zürich) , Federica Marone (Swiss Light Source) , Rajmund Mokso (Swiss Light Source)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Corrosion Science

State: Published (Approved)
Published: May 2011

Abstract: Pitting corrosion of stainless steel has been investigated with high-resolution in situ X-ray microtomography. The growth of pits at the tip of stainless steel pins has been observed with 3D microtomography under different conditions of applied current and cell potential. The results demonstrate how pits evolve in stainless steel, forming a characteristic “lacy” top of perforated metal. In addition, it is shown how the shape of pits becomes modified by MnS inclusions.

Journal Keywords: Stainless Steel; Pitting Corrosion

Diamond Keywords: Alloys

Subject Areas: Chemistry, Engineering, Materials

Facility: TOMCAT at SLS

Added On: 23/05/2011 08:19

Discipline Tags:

Earth Sciences & Environment Materials Engineering & Processes Physical Chemistry Chemistry Corrosion Materials Science Engineering & Technology Metallurgy

Technical Tags: