ANALYSIS OF STRUCTURAL CHANGES AS A RESULT OF MODIFIERS INTRODUCED IN THE PROCESS OF LIQUEFACTION OF GRAY CAST IRON.I. Машиностроение [Internet]. 2024 Aug. 28 [cited 2024 Oct. 23];(2):34-9. Available from: https://journal.andmiedu.uz/index.php/mashinasozlik/article/view/69