Influence of preparation and administration ligatures cup the melt on structure zeevtectic silumins AlSi19Cu5Mg1 - A. G. Prigunova; V. N. Bondarevskij; V. D. Babjuk; E. A. Zhidkov; M. V. Koshelev; G. M. Zelinskaja; T. G. Tsir (Casting processes, 2018)