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Mechanismus únavového poškození superslitiny MAR-M 247 / Fatigue damage mechanism of MAR-M 247 superalloy

The thesis deals with the fatigue resistance of material MAR-M 247 at temperatures of 650 °C, 800 °C and 900 °C. Based on the results obtained, curves of durability ("S/N curves") were drawn and the effect of temperature on the fatigue behaviour of nickel-based superalloys MAR-M 247 and IN713 LC was evaluated. Fractographic analysis was used to examine the failure mechanism and the effect of casting defects on the fatigue crack initiation.

Identiferoai:union.ndltd.org:nusl.cz/oai:invenio.nusl.cz:231380
Date January 2014
CreatorsJíša, Jakub
ContributorsŠtěpánek, Roman, Pantělejev, Libor
PublisherVysoké učení technické v Brně. Fakulta strojního inženýrství
Source SetsCzech ETDs
LanguageCzech
Detected LanguageEnglish
Typeinfo:eu-repo/semantics/masterThesis
Rightsinfo:eu-repo/semantics/restrictedAccess

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