Journal
SCRIPTA MATERIALIA
Volume 63, Issue 2, Pages 162-165Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2010.03.038
Keywords
Spinodal decomposition; Carbides; Microstructure; Mechanical properties; FeAlMnC alloy
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Funding
- National Science Council, Taiwan [NSC97-2221-E-009-027-MY3]
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An optimal aging at 450 degrees C resulting in the subject alloy possessing a high yield strength of 1383 MPa with 32.5% elongation. With almost equivalent elongation, the yield strength was about 28% higher than that of FeAlMnC (C <= 1.3 wt.%) alloys after solution heat-treatment or controlled-rolling followed by optimal aging. Additionally, due to pre-existing fine (Fe,Mn)(3)AlC carbides in as-quenched alloy, the aging time required for attaining the optimal combination of strength and ductility was much less than that for FeAlMnC (C <= 1.3 wt.%) alloys. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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