Corrosion Resistance of DLC Film-Coated SUS316L Steel Prepared by Ion Beam Enhanced Deposition

Table 4

Metal ion concentration for the bare and DLC film-coated SUS316L after 168 h corrosion.

	Substrate	CH4/H2 = 1 : 1	CH4/H2 = 1 : 1	CH4/H2 = 1 : 0	CH4/H2 = 1 : 0
		6 h	12 h	6 h	12 h
ICP (ppm)	51.72	16.60	25.22	19.56	33.90