Ion Beam Implantation and Plasma Immersion Ion Implantation. Application on Nitrided Ti-6Al-4V Titanium Alloy Agnès Fabre, Laurent Barrallier, Frank Torregrosa and Laurent Roux Microsc. Microanal. Microstruct., 8 6 (1997) 413-422 DOI: 10.1051/mmm:1997132