Theory and technology of sintering, thermal and chemicothermal treatment : DDensification of WC-Co alloys in solid-phase sintering (review)

Powder Metallurgy and Metal Ceramics

Volumn 46, Issue 7-8, 2007, Pages 317-324

  Laptev, A V ^a  

^a FRANTSEVICH INSTITUTE FOR PROBLEMS OF MATERIALS SCIENCE   (Ukraine)

Author keywords

Density; Hard alloy; Shrinkage; Shrinkage rate; Solid phase sintering

Indexed keywords

CHEMICOTHERMAL TREATMENT; SINTERING TEMPERATURES; SOLID-PHASE SINTERING;

APPROXIMATION THEORY; COBALT ALLOYS; SINTERING; THERMAL EFFECTS; TUNGSTEN CARBIDE;

DENSIFICATION;

EID: 36348948561     PISSN: 10681302     EISSN: 15739066     Source Type: Journal    
DOI: 10.1007/s11106-007-0051-3     Document Type: Article

References (28)

1. G. E. Spriggs, "A history of fine grained hardmetal," Int. J. Refractory Metals & Hard Materials, 13, No. 5, 241-255 (1995).
2. W. D. Schubert, A. Bock, and B. Lux, "General aspects and limits of conventional ultrafine WC powder manufacture and hard metal production," in: Proc. 13th Int. Plansee Seminar, H. Bildstein and R. Eck (eds.), Vol. 4, Metallwerk Plansee, Reutte (1993), pp. 283-305.
3. L. E. Mc Candlish, B. H. Kear, and B. K. Kim, "Chemical processing of nanophase WC-Co composite powders," Mater. Sci. Techn., 6, No. 10, 953-957 (1990).
4. V. I. Tretyakov, Fundamentals of Physical Metallurgy and Production Technology of Hard Sintered Alloys [in Russian], Metallurgy, Moscow (1976), p. 528.
5. M. M. Babich, Nonuniform Carbon Content in Hard Alloys and Its Homogenization [in Russian], Naukova Dumka, Kiev (1975), p. 176.
6. R. F. Snowball and D. R. Milner, "Densification processes in the tungsten carbide-cobalt system," Powder Metallurgy, 11, No. 21, 23-40 (1968).
7. J. Gurland and D. J. Norton, J. Metals, 4, No. 10, 1051-1056 (1952).
8. I. N. Chaporova and K. S. Chernyavskii, Structure of Hard Sintered Alloys [in Russian], Metallurgy, Moscow (1975), p. 248.
9. S. Roure and J. M. Missiaen, "Macroscopic and microstructural evolution of WC-Co compacts during solid state sintering," in: Proc. Euro PM'96, Stockholm (1986), pp. 77-84.
10. S. Haglund, B. Uhrenius, and J. Agren, "Solid state sintering of WC-Co," in: Proc. PM'94, Powder Metallurgy World Congress (June 6-9, 1994), Vol. 2, Paris (1994), pp. 1493-1496.
11. S. Haglund, J. Agren, and B. Uhrenius, "Solid state sintering of cemented carbides - an experimental study," Z. Metallk., 89, No. 5, 316-322 (1998).
12. S. M. Missiaen and S. Roure, "A general morphological approach of sintering kinetics: application to WC-Co solid phase sintering," Acta Mater., 46, No. 11, 3985-3993 (1998).
13. G. Leitner, T. Gestrich, and G. Gille, "Shrinkage, liquid phase formation and gaseous reactions during sintering of WC-Co hardmetals and correlation to the WC grain size," in: Proc. 14th Int. Plansee Seminar (May 12-16, 1997), Vol. 2, Reutte, Tirol (1997), pp. 86-99.
14. G. Gille, B. Szesny, and G. Leitner, "A new 0.4 μm WC powder as well as powder-related properties and sintering behavior of 0.6 to 30 μm WC-Co hardmetals," in: Proc. 14th Int. Plansee Seminar (May 12-16, 1997), Reutte, Tirol (1997), pp. 139-167.
15. R. Porat, S. Berger, and A. Rosen, "Synthesis and processing of nanocrystalline WC-Co powders," in: Proc. 14th Int. Plansee Seminar (May 12-16, 1997), Reutte, Tirol (1997), pp. 582-595.
16. L. E. Mc Candlish, B. H. Kear, and B. K. Kim, "Carbothermic reaction process for making nanophase WC-Co powders," Pat. No. 5230729 USA, Publ. July 27, 1993.
17. G. Gille, B. Szesny, K. Dreyer, et al., "Submicron and ultrafine grained hardmetal for microdrills and metal cutting insert," in: Proc. 15th Int. Plansee Seminar (May 28-June 1, 2001), Vol. 2, Reutte (2001), pp. 782-816.
18. A. V. Laptev, "Solid-state consolidation of WC-Co hardmetals. Peculiarities and prospects," in: Science for Materials in the Frontier of Centuries: Advantages and Challenges: Proc. Int. Conf. (November 4-8, 2002), Vol. 2, Kyiv (2002), pp. 491-492.
19. O. Lavergne, F. Hodaj, and C. H. Allibert, "Solid state dissolution behavior of WC in Co binder," in: Proc. Euro PM'96, Stockholm (1986), pp. 153-158.
20. V. V. Skorokhod and S. M. Solonin, Fundamental Physics and Metallurgy of Powder Sintering [in Russian], Metallurgy, Moscow (1984), p. 158.
21. G. Chavdarov and N. Rasskazov, "Compaction of WC-Co hard alloys in hot pressing without a liquid phase, " Annual of the Nonferrous Metallurgy Institute, 21, 110-116 (1983).
22. N. Tsuchiya, M. Fukuda, T. Nakai, and H. Suzuki, "Some properties of WC-Co alloy prepared by solid-phase sintering," J. Jap. Soc. Powder and Powder Metall., 37, No. 8, 1177-1180 (1990).
23. J. Azcona, A. Ordonez, L. Dominguez, et al., "Hot isostatic pressing of nanosized WC-Co Hardmetals, " in: Proc. 15th Int. Plansee Seminar, Vol. 2, Reutte (2001), pp. 35-49.
24. A. V. Laptev, S. S. Ponomarev, and L. F. Ochkas, "Structural features and properties of alloy 84% WC-16% Co obtained by hot pressing in the solid and liquid phases. Part 1. Effect of the temperature at which the specimens are prepared on their density and structure," Powder Metall. Met. Ceram., 39, No. 11-12, 607-617 (2000).
25. A. V. Laptev, S. S. Ponomarev, and L. F. Ochkas, "Solid phase consolidation fine grained WC-16 wt.% Co hard metals," J. Advan. Mat., 33, No. 3, 42-51 (2001).
26. A. V. Laptev, S. S. Ponomarev, and L. F. Ochkas, "Study of possibility of solid phase producing porousless WC-26% Co hard metal at high energy pressing," in: Proc. EURO PM'99, Conf. on Advances in Hard Materials Production (November 8-10, 1999), Turin, Italy (1999), pp. 205-212.
27. V. M. Dotsenko, A. R. Kryuchkova, V. L. Ishchuk, et al., "Some properties and structural features of hard alloys produced under high pressures," in: Effect of High Pressure on Matter [in Russian], Naukova Dumka, Kiev (1978), pp. 91-94.
28. A. K. Butylenko and V. N. Sokolovskii, "Densification of tungsten and titanium carbides and their mixtures with nickel during heating under high pressure," Powder Metall. Met. Ceram., 20, No. 7, 466-469 (1981).