TY CONF TI THE GEOMETRY OPTIMIZATION CALCULATIONS ON MECHANICAL PROPERTIES OF L12 STRUCTURE AL3X AND ALX3-TYPE (X = AU, AG, CU) INTERMETALLIC COMPOUNDS KW bulk modulus KW shear modulus KW elastic constant KW intrinsic hardness JO PHYSICAL BASIS OF MODERN SCIENCE-INTENSIVE TECHNOLOGIES AU Desta, O.G. AU Timoshenko, Y.K. PY 2022 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov