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Unique chemical activity in porous YbB2C2 ceramics with high porosity and high compressive strength
Li, Zhihui; Chen, Jixin; Zhang, Hao; Yang, Jinxing; Hu, Minmin; Sun, Luchao; Zhang, Zerong; Zhang, Yongheng; Li, Meishuan
2020-11-19
Source PublicationSCIENTIFIC REPORTS
Volume10Issue:1
AbstractHigh purity layered YbB2C2 powder is synthesized by a boro/carbothermic reduction method using YbBO3, B4C and graphite powders as raw materials. Its X-ray diffraction data are presented, and the space group P4/mbm (No. 127) is confirmed. The lattice parameters are a=b=5.3389 angstrom and c=3.5683 angstrom, and the atom positions are Yb (0.0000, 0.0000, 0.0000), B (0.3621, 0.8621, 0.5000), and C (0.1606, 0.6606, 0.5000). Porous YbB2C2 ceramics have a high porosity in the range of 69.89-58.11% and a high compressive strength in the range of 19.49-63.44 MPa. Furthermore, the as-produced porous YbB2C2 ceramics show unique chemical activity. Porous YbB2C2 ceramic with a porosity of 69.89% emits so much heat that it can burn a piece of paper when this ceramic is wetted by water. The rate of reaction between the porous YbB2C2 ceramic and water can be simply controlled by adjusting the porosity. The solid reaction products are YbB6, C and an unknown amorphous phase.
DOI10.1038/s41598-020-77267-9
WOS IDWOS:000594637800018
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82345
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Li, Zhihui,Chen, Jixin,Zhang, Hao,et al. Unique chemical activity in porous YbB2C2 ceramics with high porosity and high compressive strength[J]. SCIENTIFIC REPORTS,2020,10(1).
APA Li, Zhihui.,Chen, Jixin.,Zhang, Hao.,Yang, Jinxing.,Hu, Minmin.,...&Li, Meishuan.(2020).Unique chemical activity in porous YbB2C2 ceramics with high porosity and high compressive strength.SCIENTIFIC REPORTS,10(1).
MLA Li, Zhihui,et al."Unique chemical activity in porous YbB2C2 ceramics with high porosity and high compressive strength".SCIENTIFIC REPORTS 10.1(2020).
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