Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1579778 | Materials Science and Engineering: A | 2009 | 5 Pages |
Abstract
In this note we propose a geometric parameter of a lognormal grain size distribution, denoted here as the representative grain size, that provides a natural link between the yield strength and work hardening response of a polycrystal and its grain size distribution. It is shown that using this representative grain size in place of the arithmetic mean of the grain size distribution produces a Hall–Petch slope that is independent of the size distribution. The utility of the proposed parameter in describing the work hardening behaviour of metals is also examined in the context of a viscoplastic self-consistent micromechanical model.
Related Topics
Physical Sciences and Engineering
Materials Science
Materials Science (General)
Authors
B. Raeisinia, C.W. Sinclair,