Effect of Neodymium on the Crystallization, Microstructure and Colorization of Li₂O-Al₂O₃-SiO₂ Glass Ceramics

Xingzhong Guo, Wenyan Li, Hui Yang, Jiajie Zhao, Wenda Zhao

Department of Materials Science and Engineering, Zhejiang University, Hangzhou, China.
Department of Materials Science and Engineering, Zhejiang University, Hangzhou, China..

DOI: 10.4236/njgc.2012.22014                

Abstract

The effect of single coloring agent Nd(NO₃)₃ on the crystallization, microstructure and colorization of Li₂O-Al₂O₃-SiO₂ (LAS) glass ceramics were investigated by differential thermal analysis (DTA), X-ray diffractometry (XRD) and scanning electron microscopy (SEM). The introduction of little neodymium has no effect on the crystallization manner and the formation of main crystallization phase, but more neodymium will weaken the crystallization of LAS glass. Little neodymium can increase the glossiness of LAS glass ceramic, while more neodymium can color LAS glass with light purple or red purple. The colorability of neodymium for LAS glass ceramic decreases with the increase of crystallization temperature.

Keywords

Glass Ceramic; Crystallization; Colorization; Neodymium

Conflicts of Interest

The authors declare no conflicts of interest.

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