Durability of MAR-247 and IN-713C Nickel Superalloys under Cyclic Creep Conditions

• Autorzy: Cieśla M. , Binczyk F. , Junak G. , Mańka M. , Gradoń P.

Identyfikatory

DOI

10.1515/afe-2015-0071

• Języki publikacji: EN

Abstrakty

EN

Paper presents the assessment of impact of heat treatment on durability in low-cycle fatigue conditions (under constant load) in castings made using post-production scrap of MAR-247 and IN-713C superalloys. Castings were obtained using modification and filtration methods. Additionally, casting made of MAR-247 were subjected to heat treatment consisting of solution treatment and subsequent aging. During low-cycle fatigue test the cyclic creep process were observed. It was demonstrated that the fine-grained samples have significantly higher durability in test conditions and , at the same time, lower values of plastic deformation to rupture Δ□_pl. It has been also proven that durability of fine-grained MAR-247 samples can be further raised by about 60% using aforementioned heat treatment.

Słowa kluczowe

EN

nickel superalloy; macrostructure modification; heat treatment; low-cycle fatigue; cyclic creep

PL

nadstop niklu; modyfikacja makrostruktury; obróbka cieplna; zmęczenie niskocyklowe; pełzanie cykliczne

• Wydawca: Komisja Odlewnictwa Polskiej Akademii Nauk Oddział w Katowicach
• Czasopismo: Archives of Foundry Engineering
• Rocznik: 2015
• Tom: Vol. 15, iss. 4
• Strony: 17--20
• Opis fizyczny: Bibliogr. 20 poz., rys., tab., wykr.

Twórcy

autor

Cieśla M.

• Faculty of Materials Engineering and Metallurgy, Silesian University of Technology, Krasińskiego 8, 40-019 Katowice, Poland

autor

Binczyk F.

• Faculty of Materials Engineering and Metallurgy, Silesian University of Technology, Krasińskiego 8, 40-019 Katowice, Poland

autor

Junak G.

• Faculty of Materials Engineering and Metallurgy, Silesian University of Technology, Krasińskiego 8, 40-019 Katowice, Poland

autor

Mańka M.

• Faculty of Materials Engineering and Metallurgy, Silesian University of Technology, Krasińskiego 8, 40-019 Katowice, Poland

autor

Gradoń P.

• Faculty of Materials Engineering and Metallurgy, Silesian University of Technology, Krasińskiego 8, 40-019 Katowice, Poland

Bibliografia

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