仿生制备多孔ZrC/C复合陶瓷材料

doi:10.11896/j.issn.1005-023X.2018.10.006

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Abstract Porous ZrC/C composite ceramic materials were prepared in a KCl-KF molten salt reaction medium, using the carbonized platane wood as carbon source and Zr as metal source. Systematically investigations of the C templates on microstructures, apparent porosities and bulk densities in different carbonization temperatures were carried out. The carbonize procedure of platane wood and the phase compositions and morphological structures of the composite materials were characterized by X-ray photoelectron spectroscopy (XPS), fourier transform infrared (FTIR), X-ray diffraction (XRD) and scanning electron microscopy (SEM). The results showed that the carbonization of platane wood included the two processes of organic matter decomposition and graphitization. The porous structure of platane wood was well retained in the resulting C templates. The apparent porosities of C templates increased and the bulk densities decreased with the increase of carbonization temperature. The increase of reaction time can strengthen the bin-ding force of ZrC layer and C template. The amount of KF requires strict control because excess KF can damage the structure of the composite material.

Key words： biomimetic synthesis ZrC/C composite ceramic molten salt synthesis platane

Published: 25 May 2018 Online: 2018-07-06

CLC number:

TQ175

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	Articles by authors
	KAN Xiaoqing
	DING Jun
	YU Chao
	DENG Chengji
	ZHU Hongxi
	FAN Guodong
	LENG Guanghui

Cite this article:

KAN Xiaoqing,DING Jun,YU Chao, et al. Biomimetic Synthesis of Porous ZrC/C Composite Ceramic Materials[J]. Materials Reports, 2018, 32(10): 1602-1605.

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https://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2018.10.006 OR https://www.mater-rep.com/EN/Y2018/V32/I10/1602

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