J Mater Sci Technol ›› 2006, Vol. 22 ›› Issue (05): 577-580.

• Research Articles •     Next Articles

Electrochemical Corrosion Behavior of the DLC Coated and Uncoated NiTi Alloys

Jiehe SUI, Wei CAI, Liancheng ZHAO   

  1. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
  • Received:2006-01-11 Revised:2006-03-13 Online:2006-09-28 Published:2009-10-10
  • Contact: Wei CAI

Abstract: A dense and well-adhered diamond-like carbon (DLC) coating was prepared on the nickel-titanium (NiTi) alloys by plasma immersion ion implantation and deposition (PIIID). Potentiodynamic polarization tests indicated the corrosion resistance of the NiTi alloys was markedly improved by the DLC coating. The Ni ions release of the NiTi alloys was effectively blocked by the DLC coating.

Key words: NiTi alloys, Diamond-like carbon (DLC), Plasma immersion ion implantation...