The Influence of Friction Forces in Metal Powders Compaction Process of Stainless Steel 316L - SAS-BOCA, Monica; RUS, Luciana; TINTELECAN, Marius; MARIAN, Ionuţ; NISTOR, Liviu (The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, 2011)