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Enhanced corrosion resistance and mechanical properties of CrAlON coatings under alternating hydrostatic pressure by Dali Du; Zhenrong Gao; Zhen Cao; Wuming Guo; Jinlong Li is a Engineering article available to read on EtoBox.

What is Enhanced corrosion resistance and mechanical properties of CrAlON coatings under alternating hydrostatic pressure about?

CrAlN coatings and CrAlON coatings with varying oxygen content were prepared on the surface of TC4 using multi-arc ion plating. Oxygen introduction resulted in the formation of a (CrAl)(ON) solid solution, leading to finer coating grains and enhanced corrosion resistance. Following a 240-hour immersion in an alternating hydrostatic pressure (AHP) environment, the coatings retained strong adhesion to the substrate. Moreover, they displayed varied improvements in surface hardness and corrosion resistance. The CrAlN coating's improved performance is due to the formation of a surface passivation film, while the high-oxygen CrAlON coating's enhancement is primarily attributed to filling surface defects with corrosion products under static water pressure.

Who reads Enhanced corrosion resistance and mechanical properties of CrAlON coatings under alternating hydrostatic pressure?

Author

Dali Du; Zhenrong Gao; Zhen Cao; Wuming Guo; Jinlong Li

Publisher

Elsevier BV

Published

2024

Language

EN

Field

Engineering (Physical Sciences)