Unraveling the origin of strain-induced precipitation of M23C6 in the plastically deformed 347 Austenite stainless steel

Title
Unraveling the origin of strain-induced precipitation of M23C6 in the plastically deformed 347 Austenite stainless steel
Authors
홍성민김명연민동준이규호심재혁김동익서진유정우상최인석
Keywords
347 austenite stainless steel; Strain-induced precipitation; Deformation band; α′ Martensite; M23C6 precipitates
Issue Date
2014-08
Publisher
Materials characterization
Citation
VOL 94, 7-13
Abstract
In this research, the phenomenon of strain-induced precipitation of M23 (M = Cr, Fe, Mo) C6 precipitates in 347 austenite stainless steel was systematically studied. During annealing at 650 °C, the experimental results exhibited significantly earlier formation of M23C6 precipitates in the plastically strained specimen, than in the no-strain specimen. The various microstructural characterizations showed that the accelerated formation of M23C6 precipitates occurred around deformation bands that were generated by deformation twinning. Extensive investigation suggested that the strain-induced precipitation of M23C6 is attributed to the formation of strain-induced α′ martensite during plastic deformation near deformation bands.
URI
http://pubs.kist.re.kr/handle/201004/48263
ISSN
10445803
Appears in Collections:
KIST Publication > Article
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