Detail publikace
Mechanismus poškození při vysokocyklové únavě u superslitiny MAR-M 247 za vysokých teplot
ŠMÍD, M. HORNÍK, V. HUTAŘ, P. KUNZ, L. HRBÁČEK, K.
Český název
Mechanismus poškození při vysokocyklové únavě u superslitiny MAR-M 247 za vysokých teplot
Anglický název
High Cycle Fatigue Damage Mechanisms of MAR-M 247 Superalloy at High Temperatures
Typ
článek v časopise ve Web of Science, Jimp
Jazyk
en
Originální abstrakt
High cycle fatigue tests of the MAR-M 247 superalloy under constant load were conducted with the aim to determine S–N curves at temperatures 650, 800, 900 and 950 °C. It has been found that the slope of the S–N curves reflects changes of the cyclic deformation mechanism with temperature. At temperatures 650 and partly at 800 °C, fatigue crack propagation exhibits crystallographic character (propagation along the {111} system) in early stages of the fatigue life. The crystallographic mode of the fatigue crack propagation was found to disappear at temperatures 900 and 950 °C.
Český abstrakt
High cycle fatigue tests of the MAR-M 247 superalloy under constant load were conducted with the aim to determine S–N curves at temperatures 650, 800, 900 and 950 °C. It has been found that the slope of the S–N curves reflects changes of the cyclic deformation mechanism with temperature. At temperatures 650 and partly at 800 °C, fatigue crack propagation exhibits crystallographic character (propagation along the {111} system) in early stages of the fatigue life. The crystallographic mode of the fatigue crack propagation was found to disappear at temperatures 900 and 950 °C.
Anglický abstrakt
High cycle fatigue tests of the MAR-M 247 superalloy under constant load were conducted with the aim to determine S–N curves at temperatures 650, 800, 900 and 950 °C. It has been found that the slope of the S–N curves reflects changes of the cyclic deformation mechanism with temperature. At temperatures 650 and partly at 800 °C, fatigue crack propagation exhibits crystallographic character (propagation along the {111} system) in early stages of the fatigue life. The crystallographic mode of the fatigue crack propagation was found to disappear at temperatures 900 and 950 °C.
Klíčová slova česky
High cycle fatigue; S–N curves; Fractography; High temperature; EBSD analysis
Klíčová slova anglicky
High cycle fatigue; S–N curves; Fractography; High temperature; EBSD analysis
Vydáno
07.01.2016
Nakladatel
Springer India
ISSN
0972-2815
Ročník
69
Číslo
2
Strany od–do
393–397
Počet stran
5
BIBTEX
@article{BUT121180,
author="Miroslav {Šmíd} and Vít {Horník} and Pavel {Hutař} and Ludvík {Kunz} and Karel {Hrbáček},
title="High Cycle Fatigue Damage Mechanisms of MAR-M 247 Superalloy at High Temperatures",
year="2016",
volume="69",
number="2",
month="January",
pages="393--397",
publisher="Springer India",
issn="0972-2815"
}