Liquidus projection of Al-rich corner of the ternary Al-Fe-U system

L. Meshi; A. Munitz

doi:10.1016/j.intermet.2010.06.018

Liquidus projection of Al-rich corner of the ternary Al-Fe-U system

L. Meshi, A. Munitz

Department of Materials Engineering

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

1 Scopus citations

Abstract

Microstructures of the solidified Al-Fe-U ternary alloys have been examined using optical and scanning electron microscopy. Phase content and chemical composition of the different phases present was determined by Energy-Dispersive Spectrometry and X-ray diffraction. Differential Scaling Calorimetry was used for analysis of thermal effects accompanied phase transformations in the course of solidification. On the basis of results obtained liquidus projection was constructed for Al-rich corner of the Al-Fe-U system. Two ternary peritectic reactions have been found to occur. It was proposed that 1 ) an ortliorhombic phase UFe₂Al₁₀ is formed by ternary peritectic reaction: UAI₃ + Al₁₃Fe₄ + Al_(L) -→ UFe₂Al₁₀ within the temperature range of 850-1157 °C; 2) tetragonal phase U₂FeAl₂₀ is formed by ternary peritectic reaction: UAI₄ + UFe₂Al₁₀ + Al _(L) -→ U₂FeAl₂₀ at a temperature of about 639 °C.

Original language	English
Pages (from-to)	2119-2123
Number of pages	5
Journal	Intermetallics
Volume	18
Issue number	11
DOIs	https://doi.org/10.1016/j.intermet.2010.06.018
State	Published - 1 Jan 2010

Keywords

A. Aluminides
A. Intermetallics
A. Ternary alloy systems
B. Phase diagrams
B. Phase transformation
F. Diffraction
F. Electron microscopy, scanning

ASJC Scopus subject areas

General Chemistry
Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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10.1016/j.intermet.2010.06.018

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title = "Liquidus projection of Al-rich corner of the ternary Al-Fe-U system",

abstract = "Microstructures of the solidified Al-Fe-U ternary alloys have been examined using optical and scanning electron microscopy. Phase content and chemical composition of the different phases present was determined by Energy-Dispersive Spectrometry and X-ray diffraction. Differential Scaling Calorimetry was used for analysis of thermal effects accompanied phase transformations in the course of solidification. On the basis of results obtained liquidus projection was constructed for Al-rich corner of the Al-Fe-U system. Two ternary peritectic reactions have been found to occur. It was proposed that 1 ) an ortliorhombic phase UFe2Al10 is formed by ternary peritectic reaction: UAI3 + Al13Fe4 + Al(L) -→ UFe2Al10 within the temperature range of 850-1157 °C; 2) tetragonal phase U2FeAl20 is formed by ternary peritectic reaction: UAI4 + UFe2Al10 + Al (L) -→ U2FeAl20 at a temperature of about 639 °C.",

keywords = "A. Aluminides, A. Intermetallics, A. Ternary alloy systems, B. Phase diagrams, B. Phase transformation, F. Diffraction, F. Electron microscopy, scanning",

author = "L. Meshi and A. Munitz",

year = "2010",

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doi = "10.1016/j.intermet.2010.06.018",

language = "English",

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AU - Meshi, L.

AU - Munitz, A.

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N2 - Microstructures of the solidified Al-Fe-U ternary alloys have been examined using optical and scanning electron microscopy. Phase content and chemical composition of the different phases present was determined by Energy-Dispersive Spectrometry and X-ray diffraction. Differential Scaling Calorimetry was used for analysis of thermal effects accompanied phase transformations in the course of solidification. On the basis of results obtained liquidus projection was constructed for Al-rich corner of the Al-Fe-U system. Two ternary peritectic reactions have been found to occur. It was proposed that 1 ) an ortliorhombic phase UFe2Al10 is formed by ternary peritectic reaction: UAI3 + Al13Fe4 + Al(L) -→ UFe2Al10 within the temperature range of 850-1157 °C; 2) tetragonal phase U2FeAl20 is formed by ternary peritectic reaction: UAI4 + UFe2Al10 + Al (L) -→ U2FeAl20 at a temperature of about 639 °C.

AB - Microstructures of the solidified Al-Fe-U ternary alloys have been examined using optical and scanning electron microscopy. Phase content and chemical composition of the different phases present was determined by Energy-Dispersive Spectrometry and X-ray diffraction. Differential Scaling Calorimetry was used for analysis of thermal effects accompanied phase transformations in the course of solidification. On the basis of results obtained liquidus projection was constructed for Al-rich corner of the Al-Fe-U system. Two ternary peritectic reactions have been found to occur. It was proposed that 1 ) an ortliorhombic phase UFe2Al10 is formed by ternary peritectic reaction: UAI3 + Al13Fe4 + Al(L) -→ UFe2Al10 within the temperature range of 850-1157 °C; 2) tetragonal phase U2FeAl20 is formed by ternary peritectic reaction: UAI4 + UFe2Al10 + Al (L) -→ U2FeAl20 at a temperature of about 639 °C.

KW - A. Aluminides

KW - A. Intermetallics

KW - A. Ternary alloy systems

KW - B. Phase diagrams

KW - B. Phase transformation

KW - F. Diffraction

KW - F. Electron microscopy, scanning

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DO - 10.1016/j.intermet.2010.06.018

M3 - Article

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SN - 0966-9795

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JO - Intermetallics

JF - Intermetallics

IS - 11

ER -

Liquidus projection of Al-rich corner of the ternary Al-Fe-U system

Abstract

Keywords

ASJC Scopus subject areas

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