TY - JOUR AU - Cornejo, J. AU - Ordoñez, S. AU - Iturriza, I. PY - 2010/06/30 Y2 - 2024/03/28 TI - Microstructural evolution of SiC/Cu-Si composites obtained through reactive infiltration JF - Revista de Metalurgia JA - Rev. metal. VL - 46 IS - 3 SE - Articles DO - 10.3989/revmetalm.0942 UR - https://revistademetalurgia.revistas.csic.es/index.php/revistademetalurgia/article/view/827 SP - 240-248 AB - The microstructural evolution of composites of SiC/Cu-Si alloys obtained through process of reactive infiltration to 1400 °C was studied. Three zones were detected in the obtained composites: the reaction zone, the transition zone and the infiltrated zone. In the reaction zone and transition zone the resulting microstructure was composed of a metallic phase, graphite laminae and SiC particles. It was found that SiC decomposes into these areas because of the alloy Cu-Si, so the available Si forms a liquid solution that a room temperature consisted of a α solid solution and a γ phase (Cu<sub>5</sub>Si). The carbon resulting from the decomposition of SiC precipitated as graphite laminae. In addition, the SiC decomposition was decreasing as the initial amount of Si in the alloy increased. ER -