Boundary selectivity of crack paths in corrosion fatigue of stainless steel

Northover, S. M. and Grovenor, C. R. M. (2008). Boundary selectivity of crack paths in corrosion fatigue of stainless steel. In: 15th Electron Backscatter Diffraction Meeting, 31 Mar - 1 Apr 2008, University of Sheffield.

Abstract

Stress corrosion and corrosion fatigue cracks are frequently very branched and there have been extensive attempts to define the characteristics of crack-stopping features.
EBSD has been used to examine the full length (~8mm) of a corrosion fatigue crack in stainless steel. The grain boundary character distribution of the cracked boundaries is compared to that of the rest of the material and observations presented on the effect of grain boundary character on the choice of crack path at grain boundary junctions of different configurations and orientations with restect to the principle stress

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