Effects of nano-TiC substitution on the magnetic properties of Ti(C, N)-based cermets

被引:2
作者
Zhang, Man [1 ,2 ]
Liu, Jiesheng [1 ,2 ]
Xiong, Weihao [3 ]
Yang, Qingqing [3 ]
Peng, Hao [1 ,2 ]
Fang, Tao [1 ,2 ]
Tan, Xiaoming [1 ,2 ]
机构
[1] Wuhan Polytech Univ, Sch Civil Engn & Architecture, Wuhan 430023, Peoples R China
[2] Wuhan Polytech Univ, Pilot scale Platform Marine Engn Struct Protect Ma, Wuhan 430023, Peoples R China
[3] Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Peoples R China
来源
MATERIALS TODAY COMMUNICATIONS | 2023年 / 37卷
基金
中国国家自然科学基金;
关键词
Cermets; Nano-TiC; Microstructure; Magnetic properties; Mechanical properties; TI(C; N)-BASED CERMETS; MECHANICAL-PROPERTIES;
D O I
10.1016/j.mtcomm.2023.107303
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this study, the impact of partial substitution of micro-TiC by nano-TiC on the microstructure, magnetic characteristics and mechanical behaviors of TiC-10TiN-6WC-30Ni-4 C (mol%) cermets was investigated. The results revealed that these cermets consisted of mostly ceramic phases and some Ni-based binder phases, regardless of the substitution level. The average size of ceramic grains altered slightly with increasing nano-TiC substitution, which firstly decreased a little and then increased. The partial substitution of micro-TiC by nano-TiC caused a significant reduction of the magnetization in cermets with increasing the lattice parameter of the binder phase. The saturation magnetization and remnant magnetization reduced with the increase of nano-TiC substitution. The cermets underwent a ferromagnetic to paramagnetic transition at room temperature, as the nanoTiC substitution increased. The magnetization variation is related to the increased solid solution of Ti and W in the binder phase by nano-TiC substitution. Cermet with 7.5 mol% nano-TiC substitution demonstrated the best comprehensive properties, with the Curie temperature of 210 K, bending strength of 1665 MPa and hardness of 87.1 HRA, respectively.
引用
收藏
页数:8
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