PT Journal AU Kosinova, A Straumal, B Kilmametov, A Straumal, P Bulatov, M Rabkin, E TI Faceting of Twin Grain Boundaries in High-Purity Copper Subjected to High Pressure Torsion SO Advanced engineering materials PY 2020 BP Article EP No.1900589 VL 22 IS 1 DI 10.1002/adem.201900589 LA english ER