Investigation of Mechanical Properties of Al7Si/ SiC and Al7SiMg/SiC Composites Produced by Semi Solid Stir Casting TechniqueSulardjaka, Sri Nugroho, Suyanto and Deni Fajar FitrianaMATEC Web of Conferences, 159 (2018) 02036DOI: https://doi.org/10.1051/matecconf/201815902036