PT Journal AU Greiner, C Liu, Z Strassberger, L Gumbsch, P TI Sequence of Stages in the Microstructure Evolution in Copper under Mild Reciprocating Tribological Loading SO ACS applied materials & interfaces PY 2016 BP 15809 EP 15819 VL 8 IS 24 DI 10.1021/acsami.6b04035 LA english ER