%0 Journal Article %T Analysis of surface roughness parameters in billets obtained by method of additive technologies %A Bezyazychnyy, V.F. %A Fedoseev, D.V. %K billet, additive technology, method of laser sintering, surface roughness %J Science intensive technologies in mechanical engineering %D 2019 %N 2019 %P 8 %I Bryansk State Technical University