1. USAGE OF THE MICROPIXEL DETECTOR TimePix FOR OBSERVATION OF THE DYNAMICS OF PHASE TRANSITIONS IN METALS.
- Author
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Pugach, M. V., Burdin, V. V., Campbell, M., Kovalchuk, O. S., Llopart, X., Minakov, M. V., Militsiya, V. M., Okhrimenko, O. Yu., Podrezov, Yu. V., Pospisil, S., Pugatch, V. M., Storozhyk, D. I., Tlustos, L., Firstov, S. O., and Chaus, A. V.
- Subjects
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PHASE transitions , *X-ray diffraction , *ALLOY testing , *CRITICAL temperature , *CLAUSIUS-Clapeyron relation , *DETECTORS - Abstract
The results for the test of a TimePix hybrid detector as a tool for measuring and imaging in real time dynamics of phase transitions in metal alloys under heating or cooling are presented. The X-rays ( ∼ 10 keV) experimental setup explored for the diffraction studies at the Institute for Problems of Material Science NASU (Kyiv) is briefly described. An evolution of the diffraction maxima position (∼ 20 μm accuracy) of the scattered X-rays was observed with exposures from a few dozen to a few hundred milliseconds under heating or cooling of the samples of Armco iron at a rate of 100 to 250 °C/s. Data for the phase transitions (alpha-, gamma-phases observed) during heating/cooling (20 - 1250 °C) using the X-ray diffraction were measured. [ABSTRACT FROM AUTHOR]
- Published
- 2012