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Characterization of precipitate distributions for ferritic heat-resisting steel with superior to creep-fatigue property

Characterization of precipitate distributions for ferritic heat-resisting steel with superior to... A new observation method was developed for evaluating precipitate distributions on the electropolished surface of ferritic heat-resisting steel, using field emission scanning electron microscopy (FE-SEM). FE-secondary and backscattered electron images of the electropolished surfaces clearly reveal fine precipitates, since the electropolishing surfaces are very flat and not influenced by martensite matrix surface unevenness. The intergranular or transgranular precipitate distributions for each of two types of chromium carbide and Laves phase, which were identified from backscattered electron images, were quantitatively evaluated for the material with superior to a creep–fatigue property, before and after a creep–fatigue testing, respectively. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Strength, Fracture and Complexity IOS Press

Characterization of precipitate distributions for ferritic heat-resisting steel with superior to creep-fatigue property

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References (6)

Publisher
IOS Press
Copyright
Copyright © 2009 by IOS Press, Inc
ISSN
1567-2069
eISSN
1875-9262
DOI
10.3233/SFC-2009-0099
Publisher site
See Article on Publisher Site

Abstract

A new observation method was developed for evaluating precipitate distributions on the electropolished surface of ferritic heat-resisting steel, using field emission scanning electron microscopy (FE-SEM). FE-secondary and backscattered electron images of the electropolished surfaces clearly reveal fine precipitates, since the electropolishing surfaces are very flat and not influenced by martensite matrix surface unevenness. The intergranular or transgranular precipitate distributions for each of two types of chromium carbide and Laves phase, which were identified from backscattered electron images, were quantitatively evaluated for the material with superior to a creep–fatigue property, before and after a creep–fatigue testing, respectively.

Journal

Strength, Fracture and ComplexityIOS Press

Published: Jan 1, 2009

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