Microstructural stability of cemented carbides at high temperatures: Modeling the effect on the hot hardness

V Lamelas, MB Rolland, M Walbrühl… - International Journal of …, 2024 - Elsevier
There are several semi-empirical models available in literature that correlate the intrinsic
hardness of cemented carbides' constitutive phases and certain microstructural parameters …

Room-temperature deformation of single crystals of WC investigated by micropillar compression

K Kishida, M Morisaki, M Ito, Z Wang, H Inui - Acta Materialia, 2023 - Elsevier
The room temperature deformation behavior of single crystals of WC has been investigated
as a function of crystal orientation and specimen size by micropillar compression tests …

Improved electrochemical and mechanical performance of WC-Co cemented carbide by replacing a part of Co with Al2O3

A Fazili, MR Derakhshandeh, S Nejadshamsi… - Journal of Alloys and …, 2020 - Elsevier
In this study, WC/xCo/6-xAl 2 O 3 (x= 1, 2, 3 and 6 wt%) composites were fabricated through
spark plasma sintering. The electrochemical and mechanical properties of the composites …

Vacuum brazed Ni-based coating reinforced with core-shell WC@ Cu/Co-P

MS Mahdi, S Sanjabi - Surface and Coatings Technology, 2022 - Elsevier
Improving the wettability and bond strength of WC with Ni-based matrix and preventing the
growth of WC in the melt of Ni-based alloy are always the challenges that should be …

Void formation driven by plastic strain partitioning during creep deformation of WC-Co

L Weller, R M'saoubi, F Giuliani… - International Journal of …, 2024 - Elsevier
Creep deformation of WC-Co composites at high temperature and stress is accommodated
by either bulk WC phase creep deformation or by Co-infiltrated grain boundary sliding. It has …

A comprehensive constitutive equation for the hot deformation of WC-Co

VC Ciprés, J García, JM Cabrera, L Llanes - International Journal of …, 2024 - Elsevier
Hot deformation of five microstructurally different sintered WC-Co cemented carbides during
hot compression testing was investigated in the temperature range of 700–1000° C and at …

An observation of the binder microstructure in WC-(Co+ Ru) cemented carbides using transmission Kikuchi diffraction

M Eizadjou, H Chen, C Czettl, J Pachlhofer, S Primig… - Scripta Materialia, 2020 - Elsevier
The microstructure of WC-(Co+ Ru) cemented carbides was studied using transmission
Kikuchi diffraction (TKD). We report that the Co FCC grains contain Σ3-annealing twins …

Micropillar compression of single crystal tungsten carbide, Part 1: Temperature and orientation dependence of deformation behaviour

H Jones, V Tong, R Ramachandramoorthy… - International Journal of …, 2022 - Elsevier
Tungsten carbide cobalt hardmetals are commonly used as cutting tools subject to high
operation temperature and pressures, where the mechanical performance of the tungsten …

Creep behaviour of WC-12 wt% Co hardmetals with different WC grain sizes tested in uniaxial tensile and compression step-loading tests at 700° C and 800° C

K Maier, T Klünsner, M Krobath, P Pichler… - International Journal of …, 2021 - Elsevier
At elevated temperatures, the material behaviour of WC-Co hardmetals shows differences
under similar loading conditions depending on WC grain size and Co-content. Variations in …

Improved electrochemical corrosion resistance of hot-press sintered WC–Al2O3 composites with added TiC in alkaline solutions

B Han, S Zhu, W Dong, Y Bai, H Ding, Y Luo, P Di - Ceramics International, 2021 - Elsevier
x) WC–15 wt% Al 2 O 3–xTiC (x= 0, 1.5, 2.5, 5, 10, and 20 wt%) composites were prepared
by vacuum hot-press sintering. The influence of TiC addition on the corrosion behaviour of …