Effect of Mo and C additions on magnetic properties of TiC-TiN-Ni cermets

被引：15
作者：
Zhang, Man [1 ]
Yang, Qingqing [1 ]
Xiong, Weihao [1 ]
Zheng, Liyun [2 ]
Huang, Bin [1 ]
Chen, Shan [1 ]
Yao, Zhenhua [1 ]
机构：
[1] Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Peoples R China
[2] Hebei Univ Engn, Sch Equipment Manufacture, Handan 056038, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2015年 / 650卷
关键词：
Cermets; Nickel; Molybdenum; Carbon; Magnetic properties; MECHANICAL-PROPERTIES; N)-BASED CERMETS; PHASE-COMPOSITION; CARBON CONTENT; HEAT-TREATMENT; CUTTING TOOLS; MICROSTRUCTURE; TI(C; POWDERS; CARBIDE;
D O I：
10.1016/j.jallcom.2015.08.009
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The effect of 2-8 mol.% Mo and 4 mol.% C additions on magnetic properties of TiC-10TiN-30Ni (mol.%) cermet was investigated. Saturation magnetization M-s, remanence M-r and Curie temperature T-c of assintered cermets (1420 degrees C, 1 h) decreased with increasing Mo. This was mainly attributed to that the total content of non-magnetic alloying elements Mo and Ti in Ni-based binder phase increased with increasing Mo in cermets, leading to the weakening of magnetic exchange interaction among Ni atoms in binder phase. The further addition of 4 mol.% C inversely increased M-s, M-r and T-c of cermets, which was mainly attributed to that it decreased the total content of Mo and Ti in binder phase, leading to the strengthening of magnetic exchange interaction among Ni atoms in binder phase. T-c of cermets without C addition was about 250 K at 6 mol.% Mo and 115 K at 8 mol.% Mo, respectively, and that of cermets with 4 mol.% C addition was about 194 K at 8 mol.% Mo. (C) 2015 Elsevier B.V. All rights reserved.
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页码：700 / 704
页数：5
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