Adhesion and Corrosion Resistance Properties of TiC/Ti(CN)/TiN Multilayer CVD Coatings on 42CrMo Steels

Jin Zhang; Qi Xue; Xiao Wei Cheng; Chun Mei Zhang; Song Xia Li

doi:10.4028/www.scientific.net/AMR.79-82.1009

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 79-82Adhesion and Corrosion Resistance Properties of...

Adhesion and Corrosion Resistance Properties of TiC/Ti(CN)/TiN Multilayer CVD Coatings on 42CrMo Steels

Abstract:

The TiC/Ti(CN)/TiN multilayer coatings were deposited on 42CrMo steel by chemical vapor deposition (CVD) method. The fracture morphology,structure,microhardness and adhesion of the coatings were analyzed. The immersion test in simulant solution with H2S,CO2 at 100°C and electrochemistry test in 20wt% H2SO4 at room temperture were applied to investigate the corrosion resistance of the multilayer films.The results reveal that the multilayer coatings can offer 42CrMo steel higher corrosion resistance,especially the immersion corrosion test.The corrosion rate of the samples coated with CVD multilayer films is reduced more 70 times than that of the uncoated and samples by quenching-polishing-quenching (QPQ) treat.

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Periodical:

Advanced Materials Research (Volumes 79-82)

Pages:

1009-1012

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.79-82.1009

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Online since:

August 2009

Authors:

Jin Zhang, Qi Xue, Xiao Wei Cheng, Chun Mei Zhang, Song Xia Li

Keywords:

Adhesion, Corrosion Behaviour, CVD, TiC/Ti(CN)/TiN Multilayer Coating

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