Stages of scientific and applied activities of the department of external processing of the iron of ISI NANU - A. F. Shevchenko; V. G. Kisljakov; B. V. Dvoskin; A. S. Vergun; I. A. Manachin; V. P. Petrusha; S. A. Shevchenko (Fundamental and applied problems of ferrous metallurgy, 2019)