Grain shape and microstructural evolution during equal channel angular pressing

The congruence between theoretical and experimental shape changes in flow plane microstructures after repetitive equal channel angular pressing (ECAP) by route A is demonstrated for initially spheroidal grains. The model has been extended to predict shape changes of initially ellipsoidal grains of v...

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Published in:Scripta materialia 2008, Vol.58 (1), p.17-20
Main Authors: García-Infanta, J.M., Swaminathan, S., Carreño, F., Ruano, O.A., McNelley, T.R.
Format: Article
Language:English
Subjects:
Aspect ratio
Equal channel angular pressing
Evolution
Grain morphology
Grain refinement
Grains
Mathematical models
Microstructure
Modelling
Planes
Shape change
Strain path
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description The congruence between theoretical and experimental shape changes in flow plane microstructures after repetitive equal channel angular pressing (ECAP) by route A is demonstrated for initially spheroidal grains. The model has been extended to predict shape changes of initially ellipsoidal grains of various aspect ratios during repetitive ECAP by route A. The potential role of initial grain morphology on the grain refinement is suggested.
doi_str_mv 10.1016/j.scriptamat.2007.09.007
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subjects Aspect ratio
Equal channel angular pressing
Evolution
Grain morphology
Grain refinement
Grains
Mathematical models
Microstructure
Modelling
Planes
Shape change
Strain path
title Grain shape and microstructural evolution during equal channel angular pressing
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