Development of TiCN-based cermets: Mechanical properties and wear mechanism

Peng, Ying; Hao, Miao; Peng, Zhijian

doi:10.1016/j.ijrmhm.2012.07.001

Cited by 275 publications

(104 citation statements)

References 79 publications

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“…Mo or Mo 2 C is usually added into TiC or TiCN based cermets to improve the wetting and refine the ceramic grain size [5,7]. In this study, the goal of Mo addition into a carbon-rich NbC-12 vol % Ni system was to decrease the total carbon content and to evaluate its influence on mechanical properties.…”

Section: Influence Of Mo Content In Carbon-rich Nbc-12 Vol % Ni Cermetsmentioning

confidence: 99%

“…Like the NbC-12 Ni-5 VC cermets, the Mo-modified cermets also have a simple two-phase structure, i.e., NbC and Ni binder, even with 15 vol % Mo addition. In TiCN-based cermets, Mo or Mo 2 C is usually added to refine the ceramic grains [4][5][6][7]. Core-rim carbonitride grains are commonly reported for these cermets, with a Mo-enriched rim area and Mo-rich Ni binder phase.…”

Section: Influence Of Mo Content In Carbon-rich Nbc-12 Vol % Ni Cermetsmentioning

confidence: 99%

“…To improve the sintering behavior, refine the carbide grain size, and fine tune the mechanical properties, transition metal carbides, such as VC, Cr 3 C 2 , NbC, TaC, and Mo 2 C, are commonly added in small quantities to WC-Co cemented carbides [1][2][3] and in larger fractions to TiCN-Ni based cermets [4][5][6][7]. Compared to WC and Ti(C,N), NbC has a higher melting point (3522 • C) and is, on average, softer [8].…”

Section: Introductionmentioning

confidence: 99%

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Effect of Carbon Content on the Microstructure and Mechanical Properties of NbC-Ni Based Cermets

Huang

Baets

Sukumaran

et al. 2018

Metals

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Abstract:The aim of this work was to correlate the overall carbon content in NbC-Ni, NbC-Ni-VC and NbC-Ni-Mo starting powders with the resulting microstructure, hardness, and fracture toughness of Ni-bonded NbC cermets. A series of NbC-Ni, NbC-Ni-VC and NbC-Ni-Mo cermets with different carbon content were prepared by conventional liquid phase sintering for 1 h at 1420 • C in vacuum. Microstructural analysis of the fully densified cermets was performed by electron probe microanalysis (EPMA) to assess the effect of carbon and VC or Mo additions on the NbC grain growth and morphology. A decreased carbon content in the starting powder mixtures resulted in increased dissolution of Nb, V, and Mo in the Ni binder and a decreased C/Nb ratio in the NbC based carbide phase. The Vickers hardness (HV 30 ) and Palmqvist indentation toughness were found to decrease significantly with an increasing carbon content in the Mo-free cermets, whereas an antagonistic correlation between hardness and toughness was obtained as a function of the Mo-content in Mo-modified NbC cermets. To obtain optimized mechanical properties, methods to control the total carbon content of NbC-Ni mixtures were proposed and the prepared cermets were investigated in detail.

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Section: Influence Of Mo Content In Carbon-rich Nbc-12 Vol % Ni Cermetsmentioning

confidence: 99%

Section: Influence Of Mo Content In Carbon-rich Nbc-12 Vol % Ni Cermetsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Effect of Carbon Content on the Microstructure and Mechanical Properties of NbC-Ni Based Cermets

Huang

Baets

Sukumaran

et al. 2018

Metals

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show abstract

“…But some reports found that excessive Co in the binder phase will make the atoms of the metal phase and the hard phase mismatching increase [6], and the cermets toughness decrease. But some other studies has found that phase interface doping can improve the phase interface conjunction of cermet [7][8]. Early tests have confirmed that Ti(C,N) based cermet, by using cobalt as the binder phase, and adding metal elements such as Ta, V, Mo to dop, has solved issues on cobalt and hard phase interfacial bonding, atomic matching, etc.. Cobalt, at room temperature, usually presents two kinds of structures: the hcp (α-Co) and fcc (β-Co) structure [9] .…”

Section: Introductionmentioning

confidence: 96%

Preparation of Ultrafine Ti(C,N) Based Cermet Constructed by a#946;-Co and Research on Its Toughening Mechanism

Deng¹,

Xie²,

Liu³

et al. 2017

Proceedings of the 3rd Annual International Conference on Advanced Material Engineering (AME 2017)

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Abstract. Ti(C,N) based cermet material which composed by hard phase and binder phase, has excellent performance, is the best choice for manufacturing industry and military product etc.. However, it's application areas has been limited due to the shortcoming of toughness of hard phase, and a study in this area has important scientific theoretical value and practical significance. The project intends to design a new high tough Ti(C,N) based cermet material through the face-centred cubic cobalt β-Co building reinforced cermet structure and starts a systematic research on the binder phase mechanism. This study base on the toughening mechanism of ultrafine β-Co in cermet materials, the ultra-fine mix-powders 50Ti(C,N)-15WC-10Mo2C-8TaC-17Co were used as basic ingredients, using high-energy ball milling, spray drying, low pressure sintering technology, Ti(C,N) based cermet of excellent performance was successfully prepared. IntroductionWith the rapid development of the aerospace, military, energy and other modern industry, has put forward higher requirements to the manufacturing and processing technology. Ti (C, N) based cermets material having a low density, high hardness, high wear resistance, etc., is the best choice for modern tool materials [1]. Cermet is a composite material of hard phase and binder phase structure. Wherein the hard phase is of brittleness, lacks toughness. Therefore, the cermet toughening has become one of the main directions of today's cermet material studies.

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“…Alternatively, the low fracture toughness of TiC/Ti(CN)-Ni could be overcome by introducing SiC whiskers [9][10][11]. The SiC reinforced TiC/Ti(CN)-Ni showed enhanced toughness due to such crack-whisker interaction as crack bridging, whisker pull-out, and crack deflection.…”

Section: Introductionmentioning

confidence: 99%

Preparation of a highly toughened (Ti,W)C-20Ni cermet through in situ formation of solid solution and WC whiskers

Kwon

Suh

Kim

2015

Ceramics International

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Development of TiCN-based cermets: Mechanical properties and wear mechanism

Cited by 275 publications

References 79 publications

Effect of Carbon Content on the Microstructure and Mechanical Properties of NbC-Ni Based Cermets

Effect of Carbon Content on the Microstructure and Mechanical Properties of NbC-Ni Based Cermets

Preparation of Ultrafine Ti(C,N) Based Cermet Constructed by a#946;-Co and Research on Its Toughening Mechanism

Preparation of a highly toughened (Ti,W)C-20Ni cermet through in situ formation of solid solution and WC whiskers

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