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Elsevier, Journal of Asian Ceramic Societies, 1(3), p. 13-17, 2015

DOI: 10.1016/j.jascer.2014.10.001

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Complex structural hierarchies observed in Y2O3–Al2O3–SiO2 eutectic ceramics prepared by laser melting

Journal article published in 2014 by Dian-Zheng Wang, Jing, Jing Ma ORCID, Gang He, Guang-Hua Liu, Jiang-Tao Li, Zhjian Shen
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Amorphous Y2O3–Al2O3–SiO2 beads were directly melted by a Nd:YAG laser. The structural features in multi-scale of the samples after solidification were investigated. The results showed that the cooling speed in the applied processing conditions was not high enough to retain the amorphous nature of ceramic beads into the consolidated bulks. In addition to an amorphous phase two crystalline phases, YAG and α-Al2O3, were formed yielding the formation of complex structural hierarchies.