Fabrication of an Al2O3/YAG/ZrO2 ternary eutectic by combustion synthesis melt casting under ultra-high gravity

Rui Liang; Jun Pei; Jiangtao Li; Haibo Jin; Kexin Chen

doi:10.1111/j.1551-2916.2008.02911.x

Fabrication of an Al₂O₃/YAG/ZrO₂ ternary eutectic by combustion synthesis melt casting under ultra-high gravity

Rui Liang, Jun Pei, Jiangtao Li, Haibo Jin, Kexin Chen^*

^*Corresponding author for this work

School of Material Science and Engineering

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

This work presents a novel method for preparing an Al₂O ₃/YAG/ZrO₂ ternary eutectic whereby combustion synthesis melt casting has been combined with the ultra-high gravity (UHG) technique. The fabricated product had a relative density of 99.3% of the theoretical one. Phase composition and microstructure analyses indicated that the application of UHG resulted in a metal-free ceramic microstructure with no porosity or microcracks. The microstructure comprises ZrO₂ rods dispersed in Al ₂O₃. The product had 17.82 GPa Vickers hardness and 5.51 MPa·m^1/2 fracture toughness.

Original language	English
Pages (from-to)	549-552
Number of pages	4
Journal	Journal of the American Ceramic Society
Volume	92
Issue number	2
DOIs	https://doi.org/10.1111/j.1551-2916.2008.02911.x
Publication status	Published - Feb 2009

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Liang, R., Pei, J., Li, J., Jin, H., & Chen, K. (2009). Fabrication of an Al₂O₃/YAG/ZrO₂ ternary eutectic by combustion synthesis melt casting under ultra-high gravity. Journal of the American Ceramic Society, 92(2), 549-552. https://doi.org/10.1111/j.1551-2916.2008.02911.x

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abstract = "This work presents a novel method for preparing an Al2O 3/YAG/ZrO2 ternary eutectic whereby combustion synthesis melt casting has been combined with the ultra-high gravity (UHG) technique. The fabricated product had a relative density of 99.3% of the theoretical one. Phase composition and microstructure analyses indicated that the application of UHG resulted in a metal-free ceramic microstructure with no porosity or microcracks. The microstructure comprises ZrO2 rods dispersed in Al 2O3. The product had 17.82 GPa Vickers hardness and 5.51 MPa·m1/2 fracture toughness.",

author = "Rui Liang and Jun Pei and Jiangtao Li and Haibo Jin and Kexin Chen",

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AU - Chen, Kexin

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AB - This work presents a novel method for preparing an Al2O 3/YAG/ZrO2 ternary eutectic whereby combustion synthesis melt casting has been combined with the ultra-high gravity (UHG) technique. The fabricated product had a relative density of 99.3% of the theoretical one. Phase composition and microstructure analyses indicated that the application of UHG resulted in a metal-free ceramic microstructure with no porosity or microcracks. The microstructure comprises ZrO2 rods dispersed in Al 2O3. The product had 17.82 GPa Vickers hardness and 5.51 MPa·m1/2 fracture toughness.

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Fabrication of an Al₂O₃/YAG/ZrO₂ ternary eutectic by combustion synthesis melt casting under ultra-high gravity

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