High-Temperature Oxidation Resistance and Crack-Healing Function of Ni/Al₂O₃ Nano-Hybrid Materials

Abstract:

High-temperature oxidation resistance of Ni/Al2O3 nano-hybrid materials was described in this paper. Y2O3 doping and SiC co-dispersion in Ni/Al2O3 nano-hybrid materials are useful techniques to improve high-temperature oxidation resistance. On the other hand, nano-Ni/Al2O3 has the crack healing function by high-temperature annealing in air. SiC-Ni/Al2O3 nano-hybrid materials have similar crack healing performance with better oxidation resistance at high temperatures than Ni/Al2O3 nano-hybrid materials.

• Periodical: Materials Science Forum (Volumes 638-642)
• Pages: 2148-2153
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.638-642.2148
• Online since: January 2010
• Authors: Makoto Nanko
• Keywords: Al₂O₃, Crack Healing, High Temperature Oxidation, Hybrid Material, Ni

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