Metalurgija, Vol. 54 No. 3, 2015.
Prethodno priopćenje
Thermophysical properties of nickel-based cast superalloys
R. Przeliorz
; The Silesian University of Technology, Faculty of Materials Science and Metallurgy, Katowice, Poland
J. Piątkowski
; The Silesian University of Technology, Faculty of Materials Science and Metallurgy, Katowice, Poland
Sažetak
The article presents tests results of specific heat storage capacity and oxidation resistance of nickel - based cast Mar M - 200, Mar - M - 247 and Rene 80 superalloys. Specific heat measurements were conducted with the use of differential scanning calorimetry (DSC), with the use of high - temperature calorimeter multi (HTC) Setaram. Oxidation resistance tests were conducted with the use of cyclic temperature change method. Each cycle consisted of heating by temperature of 1 100 °C and next quick cooling in air. It was proved that the biggest value of specific heat Cp was found in alloy Mar - M - 200, and the lowest in alloy Mar - M - 247. Relatively good oxidation resistance has been found in alloy Mar - M - 247.
Ključne riječi
nickel superalloys cast; specific heat; heat resistance
Hrčak ID:
131618
URI
Datum izdavanja:
1.7.2015.
Posjeta: 3.443 *