期刊
CERAMICS INTERNATIONAL
卷 42, 期 2, 页码 3569-3574出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2015.10.168
关键词
Mechanical properties; Ti(C, N)-based cermets; Mo2C; TaC; Microstructure
In this paper, the effects of Mo2C and TaC additions on the microstructure and mechanical properties of Ti(C, N)-based cermets prepared through the powder metallurgical method were investigated by scanning electron microscopy, X-ray diffraction and mechanical properties tests. The results show that the microstructure of cermets with core/rim structure have a trend to become finer with increasing Mo2C and TaC content. The addition of Mo2C and TaC improve the mechanical properties of Ti(C, N)-based cermets. The cermets with 5 wt% Mo2C and 5 wt% TaC addition demonstrate excellent hardness and fracture toughness values (HRA; 91.4; K-IC: 13.5 MPa m(1/2)). (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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