On the validity of the hall-petch relationship in nanocrystalline materials

A.H. Chokshi, A. Rosen, J. Karch, H. Gleiter
1989 Scripta Metallurgica  
doi:10.1016/0036-9748(89)90342-6 fatcat:rmnsbyjysnhkpghuqvdbxbbc5i