Coefficient of thermal diffusivity of ChS-139 steel in wide temperature range
A.Sh. Agazhanov1, S.V. Stankus1, and D.A. Samoshkin2
1 Kutateladze Institute of Thermophysics SB RAS, Novosibirsk, Russia
2 Novosibirsk State University, Novosibirsk, Russia
stankus@itp.nsc.ru
Keywords: thermal diffusivity, Curie point, ChS-139 steel, laser flash method, high temperatures
Pages: 651–653
Abstract
Laser flash method with 2–4% accuracy was used to determine the coefficient of thermal diffusivity of ferrite-martensite steel ChS-139 in temperature range 296–1274 K. Temperatures of Curie and martensite-austenite-martensite phase changes have been determined.
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