The ternary Al–Ce–Cu phase diagram in the aluminum-rich corner

Белов, Н. А.; Khvan, A.

doi:10.1016/j.actamat.2007.06.009

Cited by 74 publications

(32 citation statements)

References 10 publications

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“…␣-Al 11 Ce 3 , Al 3 Ce, Al 2 Ce, AlCe and ␤-AlCe 3 have been confirmed in the Al-Ce binary system at 773 K. In Ref. [14], Belov et al invested the ternary Al-Ce-Cu phase diagram in the aluminum-rich corner at 200, 540, and 590 • C, respectively. The binary compound Al 11 Ce 3 (also named as Al 4 Ce) was found in the three isothermal sections.…”

Section: Phase Analysis and Solid Solubilitymentioning

confidence: 80%

Phase equilibria in the Al–Zr–Ce system at 773K

Zhan

She

et al. 2010

Journal of Alloys and Compounds

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Section: Phase Analysis and Solid Solubilitymentioning

confidence: 80%

Phase equilibria in the Al–Zr–Ce system at 773K

Zhan

She

et al. 2010

Journal of Alloys and Compounds

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“…Subsequently, literature [27] reported a liquidus projection of the Al-rich part which was different from that of Yunusov et al [26], two isothermal sections at 400 and 500 • C and four quasi-binary sections based on the results from Yunusov et al [26]. More recently, Belov et al [28,29] studied the phase diagram of the Al-rich corner twice in the consecutive two years. The former included Al 4 CeCu phase and the latter not.…”

Section: The Al-ce-cu Ternary Systemmentioning

confidence: 93%

“…The former included Al 4 CeCu phase and the latter not. In this work, we adopted the new results from Belov and Khvan [29], in Table 3 Calculated invariant reactions in the Al-Ce-Cu ternary system.…”

Section: The Al-ce-cu Ternary Systemmentioning

confidence: 99%

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Thermodynamic assessment of Al–Ce–Cu system

Hong

Jin

Zhang

et al. 2009

Journal of Alloys and Compounds

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a b s t r a c tThe Ce-Cu binary system has been thermodynamically reassessed by CALPHAD approach based on experimental data and thermodynamic properties of phase diagram. Incorporating the thermodynamic evaluations of Al-Ce and Al-Cu systems from literature, the Al-Ce-Cu ternary system has been assessed using CALPHAD approach. The solution phases including liquid, Fcc and Bcc were treated as substitutional solution phases and the Redlich-Kister polynomial was used to describe their excess Gibbs energies. All binary and ternary intermetallic compounds were treated as stoichiometric phases and their Gibbs energies of formation were optimized. The calculated Al-Ce-Cu phase diagram agreed well with available experimental data.

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“…Ligas do sistemaAl-Mn-Ce são extremamente promissoras: sob taxas de resfriamento intermediárias, estas ligas tendem a gerar microestruturas altamente refinadas [1] devido a (a) os valores significativos das energias livres de mistura entre o Al e os metais terras-raras e (b) a baixa mobilidade destes elementos nas ligas em função, principalmente, do tamanho destes átomos. O aumento da taxa de resfriamento em ligas deste sistema, leva a formação de diversas microestruturas.…”

Section: Introductionunclassified

AVALIAÇÃO TERMODINÂMICA PRELIMINAR DAS FASES TERNÁRIAS RICAS EM AL NO SISTEMA Al-Mn-Ce

Coury¹,

Botta²,

Bolfarini³

et al. 2018

ABM Proceedings

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ResumoLigas Al-Mn-Ce são de grandeinteresse por formaremfases e microestruturasde aplicação promissora, como quasicristais, fase amorfa e ligas cristalinas de alta resistência. Entretanto, pouca atenção foi dada àdeterminação do diagrama de fase desse sistema. Este trabalho apresenta uma avaliação termodinâmica preliminar das fases ternárias Al8Mn4Ce e Al10Mn7Ce2, compostos da região de maior interesse deste sistema:as composições ricas em Al. A avaliação termodinâmica foi feita considerando os dois compostos como fases estequiométricas. A energia livre destas fases foi estimada a partir de dados experimentais obtidos por análise de calorimetria diferencial de varredura, microscopia eletrônica e difração de raios X e as seções isotermas existentes na literatura, empregando ligas obtidas por fusão a arco. Os resultados indicam que foi possível produzir as fases de interesse pela metodologia proposta, e que os parâmetros estimados para a energia livre de ambas as fases permitem reproduzir adequadamente secções isotermas do diagrama ternário em diferentes temperaturas. Palavras-chave: Ligas de Al; Diagrama de fase; CALPHAD; Thermocalc. PRELIMINARY ASSESSMENT OF TERNARY PHASES IN THE AL RICH REGIONOF THE Al-Mn-Ce SYSTEM Abstract Alloys in the Al-Mn-Ce system have drawn considerable attention recently, as they are reported to form promising phases and microstructures such as quasicrystals, metallic glasses and high strength crystalline composites. However, limited attention has been paid to the determination of the system ternary phase diagram. In this work, two phases were described thermodynamically, namely the Al8Mn4Ce and Al10Mn7Ce2, both in the Al rich region of the system. Both phases were described as stoichiometric compounds and their free energy were assessed based on results ofdifferential scanning calorimetry, X-Ray Diffraction and Scanning Electron Microscopy using samples obtained via arc melting. The results show that it is possible to produce the desired phases with the proposed method and that the assessed thermodynamic values result in an adequate ternary sections of the system phase diagram.

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The ternary Al–Ce–Cu phase diagram in the aluminum-rich corner

Cited by 74 publications

References 10 publications

Phase equilibria in the Al–Zr–Ce system at 773K

Phase equilibria in the Al–Zr–Ce system at 773K

Thermodynamic assessment of Al–Ce–Cu system

AVALIAÇÃO TERMODINÂMICA PRELIMINAR DAS FASES TERNÁRIAS RICAS EM AL NO SISTEMA Al-Mn-Ce

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