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Effect of Neodymium on the Crystallization, Microstructure and Colorization of Li<sub>2</sub>O-Al<sub>2</sub>O<sub>3</sub>-SiO<sub>2</sub> Glass Ceramics
Department of Materials Science and Engineering, Zhejiang University, Hangzhou, China.
Department of Materials Science and Engineering, Zhejiang University, Hangzhou, China.
Department of Materials Science and Engineering, Zhejiang University, Hangzhou, China
Department of Materials Science and Engineering, Zhejiang University, Hangzhou, China
Department of Materials Science and Engineering, Zhejiang University, Hangzhou, China.
- 1 Department of Materials Science and Engineering, Zhejiang University, Hangzhou, China.
- 2 Department of Materials Science and Engineering, Zhejiang University, Hangzhou, China.
- 3 Department of Materials Science and Engineering, Zhejiang University, Hangzhou, China
- 4 Department of Materials Science and Engineering, Zhejiang University, Hangzhou, China
- 5 Department of Materials Science and Engineering, Zhejiang University, Hangzhou, China.
New Journal of Glass and Ceramics·Volume 02 (2012)·Pages 98–103·Published 23 April 2012·DOI10.4236/njgc.2012.22014
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Abstract
The effect of single coloring agent Nd(NO 3 ) 3 on the crystallization, microstructure and colorization of Li 2 O-Al 2 O 3 -SiO 2 (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.
KeywordsGlass CeramicCrystallizationColorizationNeodymium
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