Growth of Individual Austenite Grains Measured with 3DXRD Microscopy

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Studying austenitisation in steel, so far, was either limited to observations at the surface of the material or to the determination of the average grain growth behavior in the bulk. The development of the three-dimensional X-ray diffraction (3DXRD) microscope at beam line ID11 of the European Synchrotron Radiation Facility in Grenoble, France, made it possible to study the transformation kinetics in-situ and at the level of individual grains in the bulk of the material. Unique in-situ observations of austenite growth kinetics during continuous heating experiments were made for two commercial low-alloy steels (C22 and C35). The observed growth behavior of individual austenite grains gives a valuable contribution to understanding the phase transformations on heating, i.e. austenite formation from ferrite and pearlite.

Info:

Periodical:

Materials Science Forum (Volumes 561-565)

Main Theme:

Edited by:

Young Won Chang, Nack J. Kim and Chong Soo Lee

Pages:

2301-2304

DOI:

10.4028/www.scientific.net/MSF.561-565.2301

Citation:

V.I. Savran et al., "Growth of Individual Austenite Grains Measured with 3DXRD Microscopy", Materials Science Forum, Vols. 561-565, pp. 2301-2304, 2007

Online since:

October 2007

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$35.00

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