成分与致密度对陶瓷材料近红外反射率影响的数值模拟

doi:10.11896/cldb.19020113

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Abstract Some numerical models have been built to study the variation of near-infrared reflectivity of ceramic materials with different component and density. In these models, the different sintering stages are described as different particle density, and the reflectivity is analyzed by Finite-Difference Time-Domain method. The results indicate that the reflectivity of both one-component and two-component is higher in models with lo-wer density since the existence of lots of pore-particle interfaces. However, the reflectivity of one-component models is dropped sharply after densifying shrinkage and pores disappearance. Due to the existed interfaces between the two components in two-component models, the reflectivity of two-component models is still maintaining at a high level, even though densification is happened.

Key words： finite-difference time-domain density reflectivity

Published: 12 March 2020

CLC number:

TN213

About author:: Fan Yereceived his M.S. degrees in June 2019 from Beijing Institute of Technology, focusing on the research of numerical simulation of optical properties of materials; Zhuang Ma, vice-dean of Materials Science and Engineering, Beijing Institute of Technology, Professor, doctoral supervisor. He received his Ph.D. degree in materials from Beijing Institute of Technology in 2001. In the same year, he worked in Materials Science and Engineering, Beijing Institute of Technology until now. His is now focusing on the research of new materials and coatings design applied in ultra-high temperature and ultra-high energy protection environment. He has published dozens of papers in high-level SCI journals such as ACS Applied Materials and Interfaces.

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	YE Fan
	MA Zhuang
	GAO Lihong
	LI Wenzhi
	MA Chen

Cite this article:

YE Fan,MA Zhuang,GAO Lihong, et al. Numerical Simulation of Near-infrared Reflectivity of Ceramic Materials with Different Components and Density[J]. Materials Reports, 2020, 34(6): 6049-6056.

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http://www.mater-rep.com/EN/10.11896/cldb.19020113 OR http://www.mater-rep.com/EN/Y2020/V34/I6/6049

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