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A new unidirectional solidification method to study gray cast iron

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Abstract

A new unidirectional solidification (US) method to study gray cast iron was developed. It is based on the combination of the classical Bridgman-type technique and the directional casting technique. By means of this method, it is possible to achieve, among others, the following aims:

  1. (a)

    changes in chemical composition of the melt during the experiment without modifying G/R (G: thermal gradient and R: solidification rate);

  2. (b)

    US of modified (compacted/vermicular) gray-cast iron, avoiding equiaxal nucleation in front of the solid/liquid (S/L) interface; and

  3. (c)

    quenching of the S/L interface retaining the microstructure of the growing solid.

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Authors and Affiliations

  1. the Departamento de Ingeniería Mecánica y Naval, Facultad de Ingeniería, Universidad de Buenos Aires (UBA), Paseo Col n 850, CP:1063, Buenos Aires, Argentina

    A. N. Roviglione (Professor)

  2. the Departamento de Materiales, Centro Atómico Constituyentes, Comisión Nacional de Energia Atómica, Av. General Paz 1499, CP:1650, San Martín, Argentina

    J. D. Hermida (Head)

Authors
  1. A. N. Roviglione
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  2. J. D. Hermida
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Roviglione, A.N., Hermida, J.D. A new unidirectional solidification method to study gray cast iron. Metall Mater Trans B 33, 235–241 (2002). https://doi.org/10.1007/s11663-002-0008-3

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  • DOI: https://doi.org/10.1007/s11663-002-0008-3

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