Sputtered Al2O3 coatings and its effect on protection of nitride coatings

• Main Author: Yan, Shan Shan
• Other Authors: Sam Zhang Shanyong
• Format: Final Year Project
• Language: English
• Published: 2015
• Subjects: DRNTU::Engineering
• Online Access: http://hdl.handle.net/10356/62128
• Institution: Nanyang Technological University

Nitride hard coatings are of high hardness and excellent wear resistance but low oxidation resistance and low hot hardness, which limit their working temperature below 900°C. Aluminum oxide coatings (Al2O3) perform well as hard coating in wear & oxidation protection due to high hot hardness, che...