Duplex TiN coatings deposited by arc plating for increased corrosion resistance of stainless steel substratesRudenja, Sergei; Leygraf, C.; Pan, J.; Kulu, Priit; Talimets, Ellen; Mikli, ValdekSurface & coatings technology1999 / p. 129-136 : ill http://dx.doi.org/10.1016/S0257-8972(99)00033-X