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	Formation of two-phase coupled microstructure in AISI 304 stainless steel during directional solidification
	J. W. Fu ; Y. S. Yang ; J. J. Guo ; J. C. Ma ; W. H. Tong
刊名	Journal of Materials Research
	2009
卷号	24期号:7页码:2385-2390
关键词	austenitic stainless-steel ferrite morphology solute segregation phase-formation cooling rate welds evolution sequence
ISSN号	0884-2914
中文摘要	Formation and evolution details of a two-phase Coupled microstructure in AISI 304 stainless steel are Studied by quenching method during directional solidification. Results show that the Coupled growth microstructure, which is composed of thin lathlike ferrite (delta) and austenite (gamma), crystallizes first in the form of colony from the melt. As solidification develops, the retained liquid transforms into austenite gradually. On cooling, solid-state transformation from ferrite to austenite results In the disappearance of part thinner ferrites and the final two-phase coupled microstructure is formed after the solid-state transformation. The formation mechanism of the two-phase coupled microstructure is analyzed based on the nucleation and constitutional undercooling criterion (NCU) before steady-state growth of each phase is reached.
原文出处	://WOS:000267610100029
公开日期	2012-04-13
内容类型	期刊论文
源URL	[http://210.72.142.130/handle/321006/31910]
专题	金属研究所_中国科学院金属研究所
推荐引用方式 GB/T 7714	J. W. Fu,Y. S. Yang,J. J. Guo,et al. Formation of two-phase coupled microstructure in AISI 304 stainless steel during directional solidification[J]. Journal of Materials Research,2009,24(7):2385-2390.
APA	J. W. Fu,Y. S. Yang,J. J. Guo,J. C. Ma,&W. H. Tong.(2009).Formation of two-phase coupled microstructure in AISI 304 stainless steel during directional solidification.Journal of Materials Research,24(7),2385-2390.
MLA	J. W. Fu,et al."Formation of two-phase coupled microstructure in AISI 304 stainless steel during directional solidification".Journal of Materials Research 24.7(2009):2385-2390.

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