Paper Title:
Microstructure Evolution and Phase Transformation in a Novel High-Alloyed TRIP Steel Observed during in-Situ Tensile and Cyclic Deformation
  Abstract

The tensile and cyclic deformation behaviour of a new metastable austenitic stainless cast steel were studied in-situ in a scanning electron microscope (SEM). The metastable steel was investigated in cast condition. The in-situ tests in the SEM show the evolution of the microstructure in dependence on the deformation degree for uniaxial deformation and the number of cycles during fatigue, respectively. The development of the microstructure (i.e. deformation bands) are correlated with the places, where the phase transformation of the metastable austenite into the hcp structure or the bcc ’- martensite (TRIP – effect; TRansformation Induced Plasticity) takes place by applying different SEM-techniques as electron backscatter diffraction (EBSD). In addition, calculations of local deformation fields developing during tensile and cyclic deformation using digital image correlation (DIC) are presented.

  Info
Periodical
Edited by
Pavel Šandera
Pages
350-353
DOI
10.4028/www.scientific.net/KEM.465.350
Citation
A. Weidner, H. Biermann, "Microstructure Evolution and Phase Transformation in a Novel High-Alloyed TRIP Steel Observed during in-Situ Tensile and Cyclic Deformation", Key Engineering Materials, Vol. 465, pp. 350-353, 2011
Online since
January 2011
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