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Media type:
E-Article
Title:
Investigation of Triaxial Stress State in Retained Austenite during Quenching of a Low Alloy Steel by In Situ X-Ray Diffraction
Contributor:
Epp, Jeremy
Published:
Trans Tech Publications, Ltd., 2014
Published in:
Advanced Materials Research, 996 (2014), Seite 525-531
Language:
Not determined
DOI:
10.4028/www.scientific.net/amr.996.525
ISSN:
1662-8985
Origination:
Footnote:
Description:
In situ XRD measurements were performed at ESRF, Grenoble, France (ID11) during quenching of a ball bearing steel AISI 52100 (100Cr6) with varying carbon content in solution. The evolution of austenite lattice parameter during cooling is nearly linear until Ms is reached and then, a divergent behavior can be observed. Assuming that the extrapolation of the linear range to room temperature gives the stress-free lattice spacing, an increasing compressive hydrostatic stress state is resulting. A strong effect of the carbon content was found. These results were confirmed by theoretical calculations based on data from the literature.