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Thermal conductivity of nickel superalloy MAR-M247

P. Jonšta ; Vítkovice Heavy Machinery a.s., Ostrava, Czech Republic
P. Koštial ; VŠB-TU Ostrava, FMME, Ostrava, Czech Republic
Z. Jonšta ; VŠB-TU Ostrava, FMME, Ostrava, Czech Republic
I. Vlčková ; RMTSC, Material & Metallurgical Research Ltd., Ostrava, remote site VÚHŽ a.s. Czech Republic
T. Kulová ; VŠB-TU Ostrava, FMME, Ostrava, Czech Republic


Puni tekst: engleski pdf 205 Kb

str. 420-422

preuzimanja: 1.561

citiraj


Sažetak

The paper presents the narrow connection between γ’ phase dissolving and values of thermal conductivity. In annealing process the free space among γ’ particles (blocks) changes in certain cycle from fine to rough and back to fine. This is accompanied by decrease and subsequent increase of thermal conductivity as well as the sample density. The results of thermal conductivity coarse are supported by image analysis.

Ključne riječi

nickel; superalloy; structure-phase; thermal conductivity; heat transport

Hrčak ID:

153636

URI

https://hrcak.srce.hr/153636

Datum izdavanja:

1.7.2016.

Posjeta: 2.033 *