Observation of deformation twinning and martensitic transformation during nanoindentation of a transformation-induced plasticity steel

Authors

Zhiping Xiong, University of Science and Technology BeijingFollow
Gilberto Casillas, University of WollongongFollow
Ahmed A. Saleh, University of WollongongFollow
Shaogang Cui, University of WollongongFollow
Elena V. Pereloma, University of WollongongFollow

RIS ID

118214

Publication Details

Xiong, Z., Casillas, G., Saleh, A. A., Cui, S. & Pereloma, E. V. (2017). Observation of deformation twinning and martensitic transformation during nanoindentation of a transformation-induced plasticity steel. Scientific Reports, 7 (1), 17397-1-17397-6.

Abstract

For the first time, deformation twinning and martensitic transformation were observed in retained austenite in a low-Alloyed transformation-induced plasticity steel using nanoindentation in conjunction with electron backscattering diffraction and transmission electron microscopy. Dislocation glide, martensite formation and deformation twinning were correlated to pop-ins and deviation from linearity in the load-displacement curve. Deformation twinning was found to enhance the stability of retained austenite. This observation furthers our understanding of RA stability during straining of low-Alloyed multiphase TRIP steel.

Grant Number

ARC/DP130101887

Grant Number

ARC/LE160100063

Additional Grant Number

http://purl.org/au-research/grants/ARC/LE120100104, http://purl.org/au-research/grants/ARC/LE0882613