Optimasi penambahan persen berat grain refiner titanium boron terhadap sifat mekanis komposit Al-Mg-Si berpenguat partikel nano SiC dengan modifier Sr melalui proses stir casting = Optimization of titanium boron addition on mechanical properties of composite Al-Mg-Si reinforced by nanoparticles SiC with strontium modifier through stir casting process - Rhaka Drastha Aditya Putra, author (Fakultas Teknik Universitas Indonesia, 2016)