Vacuum sintered lunar regolith simulant: Pore-forming and thermal conductivity

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	Vacuum sintered lunar regolith simulant: Pore-forming and thermal conductivity
	Lei Song; Jiao Xu; Shuqian Fan; Hong Tang; Xiongyao Li; Jianzhong Liu; Xuanming Duan
	2019
发表期刊	Ceramics International
卷号	45 期号:3 页码:3627-3633
摘要	Lunar regolith molding technologies are receiving an increasing attention in lunar exploration program. Most studies are carried out in the air on earth, ignored the effects of high vacuum (~ 10^-12 mbar) on the lunar surface. This paper presents the results of a study aimed at assessing the effect of vacuum on the sintering of low Ti basalt type lunar simulant CLRS-1. The results show that porous sample with density of 1.19 g cm^-3 can be obtained by sintering at 1100 °C under vacuum, which has much lower thermal conductivity (0.265 W m^-1 K^-1) than concrete and other lunar resource derived structural materials. It could potentially be applied as the thermal insulation material for the Moon base construction. The pore-forming mechanism in vacuum was investigated. It was found that evaporation of the products of solid dissolved mineral crystals led to a great deal of weight loss and inhibited the densification during sintering.
关键词	Lunar Regolith Simulant sinteringthermal Conductivity porosity silicate
收录类别	SCI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.gyig.ac.cn/handle/42920512-1/10625
专题	月球与行星科学研究中心
作者单位	1.Chongqing Key Laboratory of Additive Manufacturing Technology and System, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, No. 266 Fangzheng Avenue, Beibei District, Chongqing 400714, PR China 2.Center for Lunar & Planetary Sciences, Institute of Geochemistry, Chinese Academy of Sciences, 99 Lincheng West Road, Guiyang 550081, PR China 3.University of Chinese Academy of Sciences, Yanqihu Campus, Huaibei Town, Huaibei Zhuang, Huairou District, Beijing 101407, PR China
推荐引用方式 GB/T 7714	Lei Song；Jiao Xu；Shuqian Fan； Hong Tang；Xiongyao Li；Jianzhong Liu； Xuanming Duan. Vacuum sintered lunar regolith simulant: Pore-forming and thermal conductivity[J]. Ceramics International,2019,45(3):3627-3633.
APA	Lei Song；Jiao Xu；Shuqian Fan； Hong Tang；Xiongyao Li；Jianzhong Liu； Xuanming Duan.(2019).Vacuum sintered lunar regolith simulant: Pore-forming and thermal conductivity.Ceramics International,45(3),3627-3633.
MLA	Lei Song；Jiao Xu；Shuqian Fan； Hong Tang；Xiongyao Li；Jianzhong Liu； Xuanming Duan."Vacuum sintered lunar regolith simulant: Pore-forming and thermal conductivity".Ceramics International 45.3(2019):3627-3633.

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