Nonequilibrium effects of primary solidification on peritectic reaction and transformation In undercooled peritectic Fe-NI alloy

Y. Z. Chen; F. Liu; G. C. Yang; Y. H. Zhou

doi:10.1557/jmr.2010.0156

Nonequilibrium effects of primary solidification on peritectic reaction and transformation In undercooled peritectic Fe-NI alloy

Y. Z. Chen, F. Liu, G. C. Yang, Y. H. Zhou

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

Applying the glass fluxing method, a peritectic Fe-Ni alloy with a composition of Fe-4.35 at.% Ni was undercooled. It was found that when theinitial melt undercooling (△T) is smaller than 130 K, the overall thickness of the peritectic phase formed in peritectic reaction (PR) and peritectic transformation (PT) decreases as △T increases. The nonequilibrium effects of the primary solidification on PR and PT in the undercooled peritectic Fe-Ni alloys were illuminated.With increasing △T, since the driving forces for PR and PT change slightly, the decrease of the overall thickness of the peritectic phase formed inPR and PT can be mainly ascribed to the reduced transformation time for PT.

Original language	English
Pages (from-to)	1025-1029
Number of pages	5
Journal	Journal of Materials Research
Volume	25
Issue number	6
DOIs	https://doi.org/10.1557/jmr.2010.0156
State	Published - Jun 2010

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abstract = "Applying the glass fluxing method, a peritectic Fe-Ni alloy with a composition of Fe-4.35 at.% Ni was undercooled. It was found that when theinitial melt undercooling (△T) is smaller than 130 K, the overall thickness of the peritectic phase formed in peritectic reaction (PR) and peritectic transformation (PT) decreases as △T increases. The nonequilibrium effects of the primary solidification on PR and PT in the undercooled peritectic Fe-Ni alloys were illuminated.With increasing △T, since the driving forces for PR and PT change slightly, the decrease of the overall thickness of the peritectic phase formed inPR and PT can be mainly ascribed to the reduced transformation time for PT.",

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AU - Liu, F.

AU - Yang, G. C.

AU - Zhou, Y. H.

PY - 2010/6

Y1 - 2010/6

N2 - Applying the glass fluxing method, a peritectic Fe-Ni alloy with a composition of Fe-4.35 at.% Ni was undercooled. It was found that when theinitial melt undercooling (△T) is smaller than 130 K, the overall thickness of the peritectic phase formed in peritectic reaction (PR) and peritectic transformation (PT) decreases as △T increases. The nonequilibrium effects of the primary solidification on PR and PT in the undercooled peritectic Fe-Ni alloys were illuminated.With increasing △T, since the driving forces for PR and PT change slightly, the decrease of the overall thickness of the peritectic phase formed inPR and PT can be mainly ascribed to the reduced transformation time for PT.

AB - Applying the glass fluxing method, a peritectic Fe-Ni alloy with a composition of Fe-4.35 at.% Ni was undercooled. It was found that when theinitial melt undercooling (△T) is smaller than 130 K, the overall thickness of the peritectic phase formed in peritectic reaction (PR) and peritectic transformation (PT) decreases as △T increases. The nonequilibrium effects of the primary solidification on PR and PT in the undercooled peritectic Fe-Ni alloys were illuminated.With increasing △T, since the driving forces for PR and PT change slightly, the decrease of the overall thickness of the peritectic phase formed inPR and PT can be mainly ascribed to the reduced transformation time for PT.

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Nonequilibrium effects of primary solidification on peritectic reaction and transformation In undercooled peritectic Fe-NI alloy

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