TY JOUR TI INFLUENCE OF SILICON WHEN MODIFYING THE CRYSTALLIZATION OF CAST IRON WITH FRAKE GRAPHITE KW grey cast iron KW frake graphite KW melt KW modification KW structuring KW ferrosilicon JO Transport engineering AU Sazonov, V.O. AU Makarenko, K.V. PY 2026 IS 2026 PB Bryansk State Technical University