IMPROVEMENT OF TITANIUM SURFACE WITH PLASMA NITRIDING TREATMENT

• DOI: 10.22533/at.ed.21920160120

• Palavras-chave: Palavras-chave

• Keywords: titanium; plasma nitriding; planar configuration

• Abstract:

  Titanium is a biomaterial used mostly in the production of prostheses with the aim of replacing joints in medical areas and dentistry. Many methods have been used in the treatment of titanium surfaces aiming at better interaction with the biological environment, and should lead to osteointegrations and consequently to successful  implantation. Commercially pure grade two titanium discs were submitted to two methods of surface modification: polish and plasma nitriding in planar configuration. Different surfaces were characterized to observe the effect of processing in the structure, roughness, and wettability of the superficial layer.Titanium disk samples were nitrided using a hollow cathode discharge (HCD) configuration of a standard plasma nitriding system in a N20%H80% atmosphere at pressures of 2,5 mbar, and a temperature of 450˚C for 1 hour.

• Número de páginas: 17