Reply to comments on: ‘Calorimetric study of 6061-Al-15vol.%SiCw PM composites extruded at different temperatures’ by A. Borrego, G. González-Doncel, Mater. Sci. Eng. A 245 (1998) 10

The different interpretation derived from two kinetic models to fit β′′ and β′ reactions in PM 6061Al and 6061Al-15vol.%SiCw composites, as measured by DSC, is discussed. It will be seen that the decrease of the Avrami exponent with temperature can also be understood in terms of a fittable exponent for impingement.