2009
DOI: 10.1016/j.jallcom.2008.03.026
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Cellular growth during transient directional solidification of hypoeutectic Al–Fe alloys

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Cited by 91 publications
(55 citation statements)
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“…As can be seen from Fig.9(a-c), while the increasing V and Fe content, the values of tensile strength increased, but the values of percent elongation (ε) decreased. Goulart et al 31 carried out directional solidification experiments with hypoeutectic Al-Fe alloys, and reported that with the increase in the alloy Fe content higher density of eutectic fibers was observed, which improved the tensile strength but reduced the ductility. This result is good agreement with our results.…”
Section: Effect Of Growth Velocity and Fe Content On The Tensile Propmentioning
confidence: 99%
“…As can be seen from Fig.9(a-c), while the increasing V and Fe content, the values of tensile strength increased, but the values of percent elongation (ε) decreased. Goulart et al 31 carried out directional solidification experiments with hypoeutectic Al-Fe alloys, and reported that with the increase in the alloy Fe content higher density of eutectic fibers was observed, which improved the tensile strength but reduced the ductility. This result is good agreement with our results.…”
Section: Effect Of Growth Velocity and Fe Content On The Tensile Propmentioning
confidence: 99%
“…A Tabela 3 apresenta os quatros picos de difração mais intensos de cada fase, de acordo com a literatura indicada, utilizados na identificação das fases presentes na liga Al-1,5%Fe em peso tratadas por RSL. Na Tabela 5, estão dispostos os dados das principais fases da liga em estudo identificadas pela técnica de DRXIR, e também as fases não identificadas pelas referidas técnicas, mas previstas no diagrama de fases do sistema Al-Fe conforme a literatura já citada [16,22,24,25,26,27] …”
Section: Difração De Raios Xunclassified
“…Na parte inferior das micrografias realizadas por MO (Figura 2(a)) e por MEV (Figura 2(b)), observase uma microestrutura com morfologia basicamente granular (celular). A região do substrato foi ampliada, conforme Figura 2(e), na qual se observam partículas intermetálicas em forma de agulhas (cor branca) que estão alocadas ao redor de grãos (células), segundo relatam os autores PARIONA et al [2,3]; GOULART et al [16]; BERTELLI et al [22] e SILVA; GARCIA e SPINELLI [29] essas partículas brancas representam o intermetálico Al 3 Fe, a qual é mais comum na solidificação em equilíbrio, conforme prevista no diagrama de fases do sistema binário Al-Fe [24,25,26]. A Tabela 6 apresenta a análise de EDS realizada na superfície e camada tratadas por RSL, bem como da região de substrato.…”
Section: Caracterização Microestrutural Da Liga Al-15%feunclassified
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“…It is well known that changes in the alloy chemistry and cooling rate during solidification can affect not only the cellular/ dendritic growth but also the distribution of eutectic mixture and intermetallic particles. The effects of such modification can be especially important on mechanical strength and corrosion resistance [4][5][6][7][8][9][10] , which means that such properties are governed by either the scale of the microstructure or by size and distribution of intermetallic particles. The dendrite or cell fineness can be even more important in the prediction of mechanical properties than grain size.…”
Section: Introductionmentioning
confidence: 99%