碳源及反应温度对碳热还原法制备纳米ZrC形貌与物相的影响

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Abstract ZrC nano-crystals and 2D-nanosheet ZrC were synthesized by carbothermal reduction method using glucose and graphene as carbon source and zirconium acetate as zirconium source. The effects of carbon source and the synthesized temperature on morphology and phase composition of ZrC were investigated. The results show that using glucose as carbon source, ZrC is formed initially at 1 400 ℃ and completely transformed to ZrC nano-crystals at 1 600 ℃ with the sizes in the range of 140-200 nm. Using graphene as carbon source, ZrC 2D-nanosheet is synthesized at 1 600 ℃ with the thickness of 240 nm. Graphene not only offers carbon source, but also serves as a template for the precipitation of ZrO₂ and growing of ZrC 2D-nanosheet in the carbothermal reduction.

Key words： ZrC carbothermal reduction graphene lamellar structure glucose ZrO₂

Received: 08 March 2017 Published: 11 July 2019

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TB383.3

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	Articles by authors
	ZENG Guang
	YANG Xin
	SU Zhean
	CHEN Lei
	FANG Cunqian
	HUANG Qizhong

Cite this article:

ZENG Guang,YANG Xin,SU Zhean, et al. Effects of carbon source and synthesized temperature on the morphology and phase composition of nano-sized ZrC powders prepared by carbothermal reduction method[J]. Materials Science and Engineering of Powder Metallurgy, 2018, 23(1): 17-24.

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http://pmbjb.csu.edu.cn/EN/ OR http://pmbjb.csu.edu.cn/EN/Y2018/V23/I1/17

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