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versión impresa ISSN 1665-3521
Resumen
RANGEL LARA, S.; BERNAL, J. L. y ITA DE LA TORRE, A. de. Influencia del cobre en la transformación de fase de la aleación Zn - 22 % p Al, durante la homogenización. Superf. vacío [online]. 2011, vol.24, n.2, pp.68-71. ISSN 1665-3521.
The alloys were produced by smelting and cooled in quiet air to room temperature; the micro structure dendrite type was analyzed in a previous work [1]. Samples of obtained alloys were subject to a treatment of homogenization to 375 °C by 120 hours. Modification of the microstructure was observed at 60, 100 and 120 hours in the Zn alloys - 22 % p Al and Zn-22 % p Al - 2 % p Cu. The phases present in alloys were identified by optical microscopy. A differential thermal analysis was made to analyze the phase transformations. It is shown that the copper promotes the transformation of phase in the alloy Zn - 22% p Al - 2% p Cu.
Palabras llave : Microstructure; Pearlite; Homogenization.