Aspects regarding FEM simulation of stress in hammer mill working tool Georgiana Moiceanu, Gigel Paraschiv, Edmond Maican, Mirela Dincă, Iulia Găgeanu and Vlad Nicolae Arsenoaia E3S Web Conf., 112 (2019) 03018 Published online: 20 August 2019 DOI: 10.1051/e3sconf/201911203018