Pengaruh Persen Deformasi dan Temperatur Perlakuan Anil terhadap Sifat Mekanik dan Struktur Mikro Paduan Al-1,06Mg-0,63Si (% berat) = Effects of Deformation and Annealing Temperature on Mechanical Properties and Microstructures of Al-1.06Mg-0.63Si (wt. %) Alloy