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 …

Overcoming the intrinsic brittleness of high-strength Al2O3–GdAlO3 ceramics through refined eutectic microstructure

Y Aoki, H Masuda, E Tochigi, H Yoshida - Nature Communications, 2024 - nature.com
High-strength ceramic materials are known for their exceptional mechanical properties;
however, they are often plagued by brittleness, limiting their applications. Because of the …

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 …

Distinguishing contributions of metal binder and ceramic phase to mechanical performance of cermets at different temperatures

L Luo, H Lu, X Liu, H Wang, C Liu, M Wang… - Journal of Alloys and …, 2022 - Elsevier
It is crucial to clarify the effects of the ceramic phase, the metal binder, and temperature on
the mechanical properties of WC-Co cermets, as a typical representative of cermet materials …

Wear mechanism analysis and its effect on the cutting process of CBN tools during laser ultrasonically assisted turning of tungsten carbide

C Zhang, Y Cao, F Jiao, J Wang - … Journal of Refractory Metals and Hard …, 2024 - Elsevier
Tungsten carbide, known for its high hardness and brittleness, presents a challenge in
traditional processes due to severe tool wear and shortened tool life, impacting machining …

Microstructural and mechanical properties at the submicrometric length scale under service-like working conditions on ground WC-Co grades

G Riu, MA Monclús, S Slawik, N Cinca, E Tarrés… - International journal of …, 2023 - Elsevier
The unique combination of hardness, toughness, and wear resistance exhibited by
heterogeneous hard materials, particularly cemented carbides (WC-Co), has made them …

Aspects of room temperature compression tests for WC/Co Hardmetals

B Roebuck, KP Mingard, MG Gee - … Journal of Refractory Metals and Hard …, 2024 - Elsevier
Hard materials, particularly tooling compositions based on WC/Co structures, are
predominantly designed for applications that take advantage of their extremely good …

Micropillar compression of single crystal tungsten carbide, part 2: Lattice rotation axis to identify deformation slip mechanisms

V Tong, H Jones, K Mingard - … Journal of Refractory Metals and Hard …, 2022 - Elsevier
The plastic deformation mechanisms of tungsten carbide at room and elevated temperatures
influence the wear and fracture properties of WC-Co hardmetal composite materials. The …

Nanostructural effects beyond Hall-Petch: Towards superhard tungsten carbide

KP Anderson, JA Wollmershauser, H Ryou, R Goswami… - Acta Materialia, 2024 - Elsevier
Industrial application of superhard materials (Vickers hardness, HV> 40 GPa) such as
diamond and cubic boron nitride is limited by high costs and complex routes of synthesis …

[HTML][HTML] Does flash sintering alter the deformation mechanisms of tungsten carbide?

I Mazo, MA Monclus, JM Molina-Aldareguia, VM Sglavo - Acta Materialia, 2023 - Elsevier
The study aims at unravelling the effect of fast and ultrafast electric current-assisted sintering
on the plasticity of ultrahard binderless tungsten carbide. The small-scale deformation of …