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Effect of Ni content on microstructure and mechanical properties of NbC-WC-Ti (C0. 7, N0. 3)-Ni cermets

Shuigen Huang, Jozef Vleugels, JinHua Huang, Bert Lauwers, Jun Qian, Hardy Mohrbacher, Jacob Sukumaran (UGent) , Patrick De Baets (UGent) , E Cannizza and Mathias Woydt
(2019) Euro PM2019 Proceedings.
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Abstract
In this study, Ni bonded NbC cermets, i.e., NbC-xNi-18WC-14Ti(C0.7,N0.3) (wt%) with a Ni from 6 to 20 wt%, were prepared by liquid phase sintering in vacuum for 90 min at 1390 or 1450 °C. Microstructural investigation was performed by SEM and XRD analysis. The phase composition in the cermets were simulated by thermodynamic modelling. All cermets were fully densified. Microstructure and phase analysis indicated that the NbC based cermets were composed of a core-rim structured cubic (Nb,W,Ti)(C,N) phase and a cubic Ni alloy binder. The variation in Ni content resulted in a significant effect on the hardness and toughness of the cermets. The hardness decreased whereas the fracture toughness increased nearly linearly with increasing Ni content. The NbC-9Ni-18WC-14Ti(C0.7,N0.3) (wt%) cermets, sintered at 1450 °C, exhibited a good combination of hardness (1500 kg/mm2 ) and indentation toughness (~8.8 MPa.m1/2) as well as a three point flexural strength of 2000 MPa.

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MLA
Huang, Shuigen, et al. “Effect of Ni Content on Microstructure and Mechanical Properties of NbC-WC-Ti (C0. 7, N0. 3)-Ni Cermets.” Euro PM2019 Proceedings, European Powder Metallurgy Association (EPMA), 2019.
APA
Huang, S., Vleugels, J., Huang, J., Lauwers, B., Qian, J., Mohrbacher, H., … Woydt, M. (2019). Effect of Ni content on microstructure and mechanical properties of NbC-WC-Ti (C0. 7, N0. 3)-Ni cermets. Euro PM2019 Proceedings. Presented at the Euro PM2019 Congress & Exhibition, Maastricht, The Netherlands.
Chicago author-date
Huang, Shuigen, Jozef Vleugels, JinHua Huang, Bert Lauwers, Jun Qian, Hardy Mohrbacher, Jacob Sukumaran, Patrick De Baets, E Cannizza, and Mathias Woydt. 2019. “Effect of Ni Content on Microstructure and Mechanical Properties of NbC-WC-Ti (C0. 7, N0. 3)-Ni Cermets.” In Euro PM2019 Proceedings. European Powder Metallurgy Association (EPMA).
Chicago author-date (all authors)
Huang, Shuigen, Jozef Vleugels, JinHua Huang, Bert Lauwers, Jun Qian, Hardy Mohrbacher, Jacob Sukumaran, Patrick De Baets, E Cannizza, and Mathias Woydt. 2019. “Effect of Ni Content on Microstructure and Mechanical Properties of NbC-WC-Ti (C0. 7, N0. 3)-Ni Cermets.” In Euro PM2019 Proceedings. European Powder Metallurgy Association (EPMA).
Vancouver
1.
Huang S, Vleugels J, Huang J, Lauwers B, Qian J, Mohrbacher H, et al. Effect of Ni content on microstructure and mechanical properties of NbC-WC-Ti (C0. 7, N0. 3)-Ni cermets. In: Euro PM2019 Proceedings. European Powder Metallurgy Association (EPMA); 2019.
IEEE
[1]
S. Huang et al., “Effect of Ni content on microstructure and mechanical properties of NbC-WC-Ti (C0. 7, N0. 3)-Ni cermets,” in Euro PM2019 Proceedings, Maastricht, The Netherlands, 2019.
@inproceedings{8640215,
  abstract     = {{In this study, Ni bonded NbC cermets, i.e., NbC-xNi-18WC-14Ti(C0.7,N0.3) (wt%) with a Ni from 6 to 20
wt%, were prepared by liquid phase sintering in vacuum for 90 min at 1390 or 1450 °C. Microstructural
investigation was performed by SEM and XRD analysis. The phase composition in the cermets were
simulated by thermodynamic modelling. All cermets were fully densified. Microstructure and phase
analysis indicated that the NbC based cermets were composed of a core-rim structured cubic
(Nb,W,Ti)(C,N) phase and a cubic Ni alloy binder. The variation in Ni content resulted in a significant
effect on the hardness and toughness of the cermets. The hardness decreased whereas the fracture
toughness increased nearly linearly with increasing Ni content. The NbC-9Ni-18WC-14Ti(C0.7,N0.3)
(wt%) cermets, sintered at 1450 °C, exhibited a good combination of hardness (1500 kg/mm2
) and indentation toughness (~8.8 MPa.m1/2) as well as a three point flexural strength of 2000 MPa.}},
  author       = {{Huang, Shuigen and Vleugels, Jozef and Huang, JinHua and Lauwers, Bert and Qian, Jun and Mohrbacher, Hardy and Sukumaran, Jacob and De Baets, Patrick and Cannizza, E and Woydt, Mathias}},
  booktitle    = {{Euro PM2019 Proceedings}},
  isbn         = {{9781899072514}},
  language     = {{eng}},
  location     = {{Maastricht, The Netherlands}},
  pages        = {{6}},
  publisher    = {{European Powder Metallurgy Association (EPMA)}},
  title        = {{Effect of Ni content on microstructure and mechanical properties of NbC-WC-Ti (C0. 7, N0. 3)-Ni cermets}},
  url          = {{https://www.europm2019.com/}},
  year         = {{2019}},
}