Microstructural stability of ODS steels in cyclic loading

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F15%3A00449372" target="_blank" >RIV/68081723:_____/15:00449372 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1111/ffe.12284" target="_blank" >http://dx.doi.org/10.1111/ffe.12284</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1111/ffe.12284" target="_blank" >10.1111/ffe.12284</a>

Result language

angličtina

Original language name

Microstructural stability of ODS steels in cyclic loading

Original language description

The remarkable microstructural stability of high chromium steels prepared by powder metallurgy and strengthened by dispersion of nanometric yttrium oxides in cyclic loading at high temperatures is reported. Contrary to the continuous cyclic softening andprofound changes in the microstructure during fatigue of common high chromium steels, the addition of 0.3?wt% Y2O3 stabilizes the microstructure and significantly reduces cyclic softening of investigated steels. The evolution of microstructure as a result of fatigue loading at room temperature, 650 and 750?°C, was examined by means of transmission electron microscopy. Only minor changes in the microstructure were detected. The stability of oxide particles after high-temperature exposure was confirmed by energy dispersion spectroscopy chemical analysis. The microstructural features are discussed in relation to the cyclic behaviour of the oxide dispersion strengthened steels. The analysis of the hysteresis loop indicates that oxide nanoc

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

JL - Fatigue and fracture mechanics

OECD FORD branch

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Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2015

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Fatigue and Fracture of Engineering Materials and Structures

ISSN

8756-758X

e-ISSN

—

Volume of the periodical

38

Issue of the periodical within the volume

8

Country of publishing house

GB - UNITED KINGDOM

Number of pages

12

Pages from-to

936-947

UT code for WoS article

000357335400006

EID of the result in the Scopus database

2-s2.0-84934439064