Vacuum sintering of WC-8 wt.% Co hardmetals from WC powders with different dispersity

International Journal of Refractory Metals and Hard Materials

Volumn 29, Issue 2, 2011, Pages 221-231

  Kurlov, A S ^a   Gusev, A I ^a   Rempel, A A ^a  

^a INSTITUTE OF SOLID STATE CHEMISTRY   (Russian Federation)

Author keywords

Hardmetal; Microstructure; Phase composition; Sintering; Tungsten carbide

Indexed keywords

AVERAGE PARTICLE SIZE; AVERAGE SIZE; CARBIDE PHASE; CHEMICAL SYNTHESIS; COARSE-GRAINED; CUBIC SOLID SOLUTIONS; DENSITY MEASUREMENTS; DISPERSITY; HARD METALS; HIGH-ENERGY BALL MILLING; NANOCRYSTALLINES; OPTIMAL SINTERING; SINTERING TEMPERATURES; STARTING POWDERS; SUBMICROCRYSTALLINE; TERNARY CARBIDE; VACUUM SINTERING; WC-CO HARDMETALS;

ASTATINE; BALL MILLING; COBALT; MICROSTRUCTURE; NANOCRYSTALLINE POWDERS; PARTICLE SIZE; PHASE COMPOSITION; POWDERS; SCANNING ELECTRON MICROSCOPY; SINTERING; SYNTHESIS (CHEMICAL); TUNGSTEN; X RAY DIFFRACTION;

TUNGSTEN CARBIDE;

EID: 79251599036     PISSN: 02634368     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijrmhm.2010.10.010     Document Type: Article

References (27)

1. J.H. Westbrook, and E.R. Stover Carbides for high-temperature materials I.E. Campbell, E.M. Sherwood, High-temperature materials and technology 1967 Wiley New York 312 348
2. G.S. Upadhyaya Nature and properties of refractory carbides 1996 Nova Science Publishers New York 545 pp
3. Gusev A.I. Nonstoichiometry, disorder, short-range and long-range order in solids 2007 Nauka-Fizmatlit Moscow 856 pp. (in Russian)
4. P. Rautala, and J.T. Norton Tungsten-cobalt-carbon system Trans AIME 194 4 1952 1045 1050
5. J. Gurland A study of the effect of carbon content on the structure and properties of sintered WC-Co alloys Trans AIME 200 3 1954 285 290
6. C.B. Pollock, and H.H. Stadelmaier The eta carbides in the Fe-W-C and Co-W-C systems Metall Trans 1 4 1970 767 770
7. P. Ettmayer, and R. Suchentrunk Über die thermische Stabilität der Eta-Carbide Monatsh Chem 101 4 1970 1098 1103
8. T. Johansson, and B. Uhrenius Phase equilibria, isothermal reactions, and a thermodynamic study in the Co-W-C system at 1150 °C Met Sci 12 1 1978 83 94
9. V. Adelsköld, A. Sundelin, and A. Westgren Carbide in kohlenstoffhaltigen Legierungen von Wolfram und Molybdän mit Chrom, Mangan, Eisen, Kobalt und Nickel Z Anorg Allg Chem 212 4 1933 401 409
10. A.F. Guillermet Thermodynamic properties of the Co-W-C system Metall Trans AIME A 20A 5 1989 935 956
11. Villars P., Prince A., and Okamoto H. Handbook of ternary alloy phase diagrams Metals Park v.5 1995 ASM Publication Ohio, USA 6585 6605
12. A.S. Kurlov, and A.I. Gusev Tungsten carbides and W-C phase diagram Inorg Mater 42 2 2006 121 127
13. Kurlov A.S., and Gusev A.I. Phase equilibria in the W-C system and tungsten carbides Russ Chem Rev 75 7 2006 617 636
14. 2C Phys Rev B 76 17 2007 174115-01 174115-16
15. C-W (carbon-tungsten) Massalski T.B. Subramanian P.R. Okamoto H. Kasprzak L. Binary alloy phase diagrams 2nd ed Metals Park v.1 1990 ASM Intern. Publ Ohio, USA 895 896
16. A.S. Kurlov, and A.A. Rempel Effect of sintering temperature on the phase composition and microhardness of WC-8 wt.% Co cemented carbide Inorg Mater 43 6 2007 602 607
17. P. Arato, L. Bartha, R. Porat, S. Berger, and A. Rosen Solid or liquid phase sintering of nanocrystalline WC/Co hardmetals Nanostruct Mater 10 2 1998 245 255
18. M. Sommer, W.-D. Schubert, E. Zobetz, and P. Warbichler On the formation of very large WC crystal during sintering of ultrafine WC-Co alloys Int J Refract Met Hard Mater 20 1 2002 41 50
19. G.Q. Shao, X.L. Duan, J.R. Xie, X.H. Yu, W.F. Zhang, and R.Z. Yuan Sintering of nanocrystalline WC-Co composite powder Rev Adv Mater Sci 5 4 2003 281 286
20. A.I. Gusev, and A.A. Rempel Nanocrystalline materials 2004 Cambridge International Science Publishing Cambridge 351 pp
21. Gusev A.I., and Kurlov A.S. Production of nanocrystalline powders by high-energy ball milling: model and experiment Nanotechnology 19 26 2008 paper 265302, 265302-01 - 265302-08
22. A.I. Gusev, and A.S. Kurlov Mechanical milling process modelling and making WC nanocrystalline powder Inorg Mater 45 1 2009 35 42
23. Kurlov A.S., and Gusev A.I. Production of nanocrystalline powder of WC via ball-milling Sigl L.S. Rödhammer P. Wildner H. 17 Plansee Seminar 2009: Proc. Intern. Conf. on high performance P/M materials (Reutte/Austria, May 25-29, 2009) v.3 2009 Plansee Group Reutte, Austria GT24/1-GT24/11
24. H. Krebs Grundzüge der Anorganischen Kristallchemie 1968 Ferdinand Enke Verlag Stuttgart
25. H. Okamoto Co-W J Phase Equilib 23 2 2002 193 194
26. Nagender Naudi S.V., Sriramamurty A.M., and Rama Rao P. Co-W (cobalt-tungsten) J Alloy Phase Diagrams 2 1 1986 43 52
27. A. Markström, B. Sundman, and K. Frisk A revised thermodynamic description of the Co-W-C system J Phase Equilib Diffus 26 2 2005 152 160