TY JOUR TI Impact of aluminum powder parts growth by method of selective laser melting upon porosity, micro-hardness and micro-structure KW additive technologies KW porosity KW micro-hardness KW aluminum alloy KW selective laser melting KW modes of growth KW single melted tracks JO Science intensive technologies in mechanical engineering AU Kolchanov, D.S. AU Perestoronin, A.V. AU Binkov, I.I. AU Povalyuhin, D.V. AU Smirnov, A.R. PY 2020 IS 2020 PB Bryansk State Technical University