TY JOUR TI EFFECT RESEARCH OF SURFACE DEFORMATION IMPACT AND THERMAL TREATMENT AT MULTI-LAYER WELD DEPOSITION UPON MECHANICAL PROPERTIES AND POROSITY OF ALUMINUM ALLOY 1580 KW additive technologies KW multi-layer weld deposition KW aluminum KW deformation strengthening KW impact effect KW thermal treatment KW porosity KW arc welding JO Bulletin of Bryansk state technical university AU Kartashev, M.F. AU Panov, D.O. AU Mindibaev, M.R. AU Permyakov, G.L. AU Trushnikov, D.N. PY 2020 IS 2020 PB Bryansk State Technical University