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Open AccessArticle

Interfacial Bonding and Abrasive Wear Behavior of Iron Matrix Composite Reinforced by Ceramic Particles

1
State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China
2
Xi’an Microelectronic Technology Institute, Xi’an 710054, China
3
Guangdong Institute of Materials and Processing, Guangzhou 510650, China
4
Yancheng Jiuheng Industry & Trade Co., Ltd., Yancheng 224021, China
*
Author to whom correspondence should be addressed.
Materials 2019, 12(22), 3646; https://doi.org/10.3390/ma12223646
Received: 18 October 2019 / Revised: 1 November 2019 / Accepted: 1 November 2019 / Published: 6 November 2019
Using zirconia toughened alumina (ZTA) particles and Ni–Ti complex powders as raw materials, high-Cr cast iron reinforced by ZTA particles was prepared by an infiltration casting process. A continuous transition layer formed at the interface between ZTA particles and the Cr15 matrix, which proves that there is strong metallurgical interfacial bonding at the interface. The phases in the Ni–Ti layer of the ZTAP/Fe composite were preserved compared with the microstructure of sintered ZTA ceramic preform. The hardness of the Ni3Ti, TiO and AlNi2Ti phases in the interfacial transition layer was measured by the nano-indentation method, which is 12.5 GPa, 16.1 GPa and 9.2 GPa, respectively. The three-body wear resistance of the composite reached 12.6 times that of high-Cr cast iron. View Full-Text
Keywords: iron matrix composite; ceramic particle; slurry coating; three-body abrasive wear iron matrix composite; ceramic particle; slurry coating; three-body abrasive wear
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MDPI and ACS Style

Li, Y.; Li, C.; Tang, S.; Zheng, Q.; Wang, J.; Zhang, Z.; Wang, Z. Interfacial Bonding and Abrasive Wear Behavior of Iron Matrix Composite Reinforced by Ceramic Particles. Materials 2019, 12, 3646.

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