TiMoCN-based cermets: high-temperature deformation
Source abstract
Abstract
Abstract The high-temperature behaviour of Ti(C,N)–Mo 2 C–Co cermets is investigated by three point bend tests in order to describe the deformation mechanisms that appear during their use in cutting tool applications. The results of constant strain rate tests and activation energy measurements by creep tests suggest a description of the mechanical behaviour in three temperature domains: elastic and brittle from room temperature to about 1150 K, limited plasticity between 1150 and 1350 K, and creep above 1350 K. Two mechanisms control the cermet deformation at high temperature: grain deformation (in the second domain) and grain boundary sliding (in the third domain).
Source: openaire · Quality: candidate unverified · Source record ↗
References (29)
Show source-provided references
1. Cermets and hardmetals
2. A new look at carbide tool life10.1016/0043-1648(93)90366-T ↗
3. Advanced TiC and TiC–TiN base cermets
4. Analytical electron microscopy of phase separated Ti/Mo cemented carbides and carbonitrides
5. High resolution microanalysis of titanium-based cermets
6. Mechanisms of surrounding structure formation in sintered TiC–Mo2C–Ni10.2320/jinstmet1952.35.9_936 ↗
7. Reaction during sintering of TiC–20TiN–15WC–10TaC–9Mo–5.5Ni–11Co Cermet
8. Pastor H, Etat Actuel et Développements des Matériaux Durs et Superdurs––Deuxième Partie. Matériaux et Techniques. 1987;7–8:319–2710.1051/mattech/198775070319 ↗
9. Titanium-carbonitride-based hard alloys for cutting tools10.1016/0025-5416(88)90724-0 ↗
10. Phase composition in cemented carbides and cermets10.1016/0263-4368(93)90059-O ↗
11. Experimental strategy to study the mechanical behaviour of hardmetals for cutting tools10.1016/S0263-4368(98)00078-X ↗
12. Microstructure and high temperature mechanical properties of TiC0.7N0.3–Mo2C–Ni Cermets10.1016/0921-5093(95)10100-4 ↗
13. High temperature deformation of WC–Co hard metal
14. Experimental study of the mechanics of fracture in WC–Co alloys10.1007/BF02647199 ↗
15. On the fracture toughness of cemented carbides10.1016/0001-6160(88)90143-5 ↗
16. Mari D, Bolognini S, Cutard T, Feusier G, Verdon C. Int J Refr Hard Metals, submitted for publication
17. Poirier · 1985
18. The cleavage strength of polycrystals
19. Slip systems and dislocation emission from crack tips in single crystal TiC at low temperatures10.1016/1359-6454(95)00360-6 ↗
20. Influence of temperature, strain rate, surface condition, and composition on the plasticity of transition-metal carbide crystals10.1063/1.1713614 ↗
21. Nabarro FRN. Deformation of crystals by the motion of single ions (Report of a Conference on Strength of Solids). Physical Society of London. 1948;60:75–90
22. Diffusional viscosity of polycrystalline solid10.1063/1.1699681 ↗
23. A model for boundary diffusion controlled creep in polycrystalline materials10.1063/1.1702656 ↗
24. Transient creep of ceramics in bending tests
25. Intergranular fracture at elevated temperature10.1016/0001-6160(75)90047-4 ↗
26. Diffusion-accommodated flow and superplasticity10.1016/0001-6160(73)90057-6 ↗
27. Mechanical behaviour of WC-11 wt%Co studied by bending tests, Internal friction and electron microscopy
28. 1992
29. High temperature mechanical behaviour of Ti(C,N)–Mo–Co cermets10.1016/S0263-4368(98)00033-X ↗