A model for the inverse HallโPetch relat
โ
G.J. Fan; H. Choo; P.K. Liaw; E.J. Lavernia
๐
Article
๐
2005
๐
Elsevier Science
๐
English
โ 220 KB
We propose a composite model to explain the phenomena of strength softening with decreasing the grain size, which was reported in some nanocrystalline (nc) materials. We assume that a nc material consists of a grain interior and an amorphous grain-boundary layer. The grain interior deforms elastical