7Bellezze T, Roventi G, Fratesi R. Electrochemical study on the corrosion resistance of Cr III- based conversion layers on zinc coatings [ J ]. Surface and Coatings Technology, 2002, 155:221 - 230.
8Zhang X, Bos C V D, Sloof W G, et al. Comparison of the morphology and corrosion performance of Cr(VI) - and Cr (III) - based conversion coatings on zinc[ J]. Surface and Coatings Technology, 2005, 199:92 N 104.
10BAYA'I'I M R, StlARIAT M H, JANGHORBAN K. Design of chemical composition and optimum working conditions tbr trivalent black chromium electrop|ating bath used |br solar thermal collectors [J]. Renew Energy, 2005, 30 (14): 2163-2| 78.
