Open AccessThermophysical properties of Inconel 718 alloy
Author(s) -
A. Sh. Agazhanov,
Д. А. Самошкин,
Yu. M. Kozlovskii
Publication year - 2019
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1382/1/012175
Subject(s) - inconel , thermodynamics , thermal diffusivity , superalloy , materials science , differential scanning calorimetry , thermal conductivity , thermal expansion , heat capacity , laser flash analysis , isobaric process , enthalpy , atmospheric temperature range , alloy , analytical chemistry (journal) , metallurgy , composite material , chemistry , physics , chromatography
The thermal diffusivity ( a ), linear thermal expansion coefficient (α), isobaric heat capacity ( C p ) and phase transition enthalpy (Δ H ) of Inconel 718 superalloy were determined by laser flash method, dilatometric method and differential scanning calorimetry in the temperature range of 298–1375…1473 К. The thermal conductivity ( λ ) has been calculated from the measurement results. The estimated errors of the obtained data were 2–5%, 3–5%, 2–3% and (1.5–2)×10 −7 K −1 for a , λ , C p and α, respectively. The approximation equations and a table of reference values for the studied properties have been obtained.