The effect of the redox potential of annealing environment on the mechanical properties of Al2O3-YAG:Ce eutectics
Journal of Alloys and Compounds(2023)
Abstract
Mechanical characteristics of the eutectics Al2O3-Y3Al5O12:Ce grown by the method of horizontal directional crystallization were established. The influence of the redox potential of the annealing environments on the microhardness and fracture toughness of Al2O3-Y3Al5O12:Ce eutectics has been investigated. Three kinds of environments that differed by the redox potentials have been applied: oxidizing (in the air), in a vacuum, and reducing (Ar. CO, H2).
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Key words
Eutectics Al2O3-YAG,High-temperature annealing,Microhardness,Fracture toughness,Ce3+ ions,Horizontal directed crystallization
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