INFLUENCE OF THE PREPARATION AND INTRODUCTION OF THE LIGATURE CuP IN MELT ON THE STRUCTURE FORMATION OF THE HYPEREUTEC SILUMIN AlSi19Cu5Mg1. plit-periodical [Internet]. 2018 Aug. 1 [cited 2026 Oct. 23];130(4):28-39. Available from: https://plit-periodical.org.ua/index.php/plit/article/view/172