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|Title:||Corrosion- and damage-resistant nitride coatings for steel|
|Citation:||Journal of the American Ceramic Society, 2012; 95(9):2997-3004|
|Publisher:||Amer Ceramic Soc|
|Mohammad Shoeb Ahmed, Paul Munroe, Zhong-Tao Jiang, Xiaoli Zhao, Magdalena Wajrak, Hua Guo, William Rickard, and Zonghan Xie|
|Abstract:||Ceramic coatings of distinct microstructures, namely TiSiN and CrN, were deposited on tool steels. The corrosion resistance of the coated steels was measured. Following nanoindentation, immersion tests were conducted in 70% HNO₃ solution for 96 h. Deformed CrN, where deformation occurred through shear sliding of columnar grains, was insensitive to corrosion attack. In contrast, open cracks formed in the indented TiSiN coating, serving as pathway for reactive agents to penetrate through the coatings. Finite element analysis was applied to evaluate the damage tolerance of the coatings and its impact on the corrosion resistance of the coated steels.|
|Rights:||© 2012 The American Ceramic Society|
|Appears in Collections:||Mechanical Engineering publications|
Materials Research Group publications
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