Improving Biocompatibility of Co-Cr Alloy Used in Dentistry by Surface Modification with Electrochemical Methods – Corrosion of Untreated Co-Cr Alloy in Solution with Different pH - DĂNĂILĂ, Eliza; BOUNEGRU, Iulian; BENEA, Lidia; CHIRIAC, Alexandru (The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, 2014)