B<sub>4</sub>C包覆ZTA颗粒增强铁基复合材料制备与性能

doi:10.11896/j.issn.1005-023X.2018.24.021

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Abstract The surface of the ZTA (ZrO₂ toughened Al₂O₃) ceramic particles cover with B₄C powder. The ceramic particles were prepared into a ceramic preform with honeycomb structure. The composites of ceramic particles reinforced high chromium cast iron matrix was fabricated by the molten HCCI casting infiltrate the preform. The interface between the ZTA ceramic particles and the high chromium cast iron were studied and the wear resistances of the composites were also studied. The results show that the interface transition zone was formed at the interface between the ZTA particles and the high chromium cast iron. The existence of the interface transition layer can improve the combination of the ceramic particles and metal matrix that improve the overall stability of the composites. At the same time, the three-body abrasive wear test shows that the wear resistance of the composites is higher than the high chromium cast iron about 3.5 times.

Key words： composites interface transition zone high chromium cast iron preform three-body abrasive wear

Published: 23 January 2019

CLC number:	TB333
	TG156.1

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	Articles by authors
	ZHOU Mojin
	JIANG Yehua
	LU Dehong
	ZHANG Xiaozu

Cite this article:

ZHOU Mojin,JIANG Yehua,LU Dehong, et al. Preparation and Properties of the ZTA Particles Cover with B₄C Powder Reinforced Iron Matrix Composites[J]. Materials Reports, 2018, 32(24): 4324-4328.

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http://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2018.24.021 OR http://www.mater-rep.com/EN/Y2018/V32/I24/4324

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