Heterogeneous nucleation of icosahedral phase from FCC phase in cast Al87Mn4Si2Be7 alloy

E. Fleury; H. J. Chang; D. H. Kim

doi:10.1080/14786430500255351

Heterogeneous nucleation of icosahedral phase from FCC phase in cast Al₈₇Mn₄Si₂Be₇ alloy

E. Fleury, H. J. Chang, D. H. Kim

Department of Materials Science and Engineering

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

4 Citations (Scopus)

Abstract

The formation of the icosahedral (i) quasicrystalline phase has been studied in the cast Al 87 Mn 4 Si 2 Be 7 alloy. Under low cooling rates, i-phase particles of about 5 to 15m formed in the a Al matrix. A thorough examination of the microstructure revealed the existence of cubic crystalline phases embedded in the i-particles. Microstructural and thermal analyses indicated that the i-particles nucleated heterogeneously from the cubic AlMn(Si)Be 4 phases by a peritectic reaction, however with a slight misorientation.

Original language	English
Pages (from-to)	349-354
Number of pages	6
Journal	Philosophical Magazine
Volume	86
Issue number	3-5
DOIs	https://doi.org/10.1080/14786430500255351
Publication status	Published - 2006 Jan 21

Bibliographical note

Funding Information:
D.H. Kim and H.J. Chang thank the Creative Research Initiatives of the Korean Ministry of Science and Technology for the financial support of this study.

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

Access to Document

10.1080/14786430500255351

Cite this

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title = "Heterogeneous nucleation of icosahedral phase from FCC phase in cast Al87Mn4Si2Be7 alloy",

abstract = "The formation of the icosahedral (i) quasicrystalline phase has been studied in the cast Al 87 Mn 4 Si 2 Be 7 alloy. Under low cooling rates, i-phase particles of about 5 to 15m formed in the a Al matrix. A thorough examination of the microstructure revealed the existence of cubic crystalline phases embedded in the i-particles. Microstructural and thermal analyses indicated that the i-particles nucleated heterogeneously from the cubic AlMn(Si)Be 4 phases by a peritectic reaction, however with a slight misorientation.",

author = "E. Fleury and Chang, {H. J.} and Kim, {D. H.}",

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AU - Fleury, E.

AU - Chang, H. J.

AU - Kim, D. H.

N1 - Funding Information: D.H. Kim and H.J. Chang thank the Creative Research Initiatives of the Korean Ministry of Science and Technology for the financial support of this study.

PY - 2006/1/21

Y1 - 2006/1/21

N2 - The formation of the icosahedral (i) quasicrystalline phase has been studied in the cast Al 87 Mn 4 Si 2 Be 7 alloy. Under low cooling rates, i-phase particles of about 5 to 15m formed in the a Al matrix. A thorough examination of the microstructure revealed the existence of cubic crystalline phases embedded in the i-particles. Microstructural and thermal analyses indicated that the i-particles nucleated heterogeneously from the cubic AlMn(Si)Be 4 phases by a peritectic reaction, however with a slight misorientation.

AB - The formation of the icosahedral (i) quasicrystalline phase has been studied in the cast Al 87 Mn 4 Si 2 Be 7 alloy. Under low cooling rates, i-phase particles of about 5 to 15m formed in the a Al matrix. A thorough examination of the microstructure revealed the existence of cubic crystalline phases embedded in the i-particles. Microstructural and thermal analyses indicated that the i-particles nucleated heterogeneously from the cubic AlMn(Si)Be 4 phases by a peritectic reaction, however with a slight misorientation.

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