Pingao Yu

Yu, P. G., & Havner, K. S. (2001, January). Numerical studies of nonuniform deformation, stress state evolution, and subgrain formation in bicrystals in (110) channel die compression. JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, Vol. 49, pp. 173–208. https://doi.org/10.1016/s0022-5096(00)00021-1

Havner, K. S., & Yu, P. G. (1998). On the stress state at the yield point in symmetric bicrystals in (110) channel die compression. MECHANICS OF MATERIALS, 27(4), 211–227. https://doi.org/10.1016/S0167-6636(97)00049-5