Formation of hexagonal η-MoC1-x phase at a temperature lower than 1660 °C by solar radiation heating under presence of excess free carbon

International Journal of Refractory Metals and Hard Materials

Volumn 25, Issue 3, 2007, Pages 220-225

  Shohoji, Nobumitsu ^a   Badie, Jean Marie ^b   Granier, Bernard ^b   Costa Oliveira, Fernando Almeida ^a   Fernandes, Jorge Cruz ^c   Rosa, Luis Guerra ^c  

^a INETI   (Portugal)

^b CNRS   (France)

^c INSTITUTO SUPERIOR TÉCNICO   (Portugal)

Author keywords

Molybdenum mono carbide; Molybdenum sub carbide; Solar furnace

Indexed keywords

CARBON; HEATING FURNACES; MOLYBDENUM ALLOYS; PHASE DIAGRAMS; SOLAR HEATING; STOICHIOMETRY;

INTERMEDIATE TEMPERATURE RANGES; MOLYBDENUM MONOCARBIDE; MOLYBDENUM SUBCARBIDE; SOLAR FURNACES;

SOLAR RADIATION;

EID: 33846839259     PISSN: 02634368     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijrmhm.2006.05.004     Document Type: Article

References (17)

1. Nowotny H., Parthé E., Kieffer R., and Benesovsky F. Das dreistoffsystem: molybdän-silizium-kohlenstoff. Monatsh Chem 85 (1954) 255-272
2. Rudy E., Windisch S., Stosick A.J., and Hoffman J.R. The constitution of binary molybdenum-carbon alloys. Trans Metall Soc AIME 239 (1967) 1247-1267
3. Schuster J., Rudy E., and Nowotny H. Die "MoC"-phase mit WC-struktur. Monatsh Chem 107 (1976) 1167-1176
4. Storms E.K. The refractory carbides (1967), Academic Press, New York
5. Linus Pauling File Project of NIMS (National Institute for Materials Science, Japan) at http://crystdb.nims.go.jp/[free to access but registration desirable as a user.].
6. Velikanova T.Ya., Kublii V.Z., and Khaenko B.V. Solid state transformations and phase equilibria in the molybdenum-carbon system. Soviet Powder Metallurgy and Metal Ceramics (translated from Poroshkovaya Metallurgiya, Kiev) 27 (1988) 891-896
7. Andersson J.-O. Thermodynamic properties of Mo-C. Calphad 12 (1988) 1-8
8. Lu J., Hugosson H., Eriksson O., Nordström L., and Jansson U. Chemical vapour deposition of molybdenum carbides: aspects of phase stability. Thin Sold Films 370 (2000) 203-212
9. Lu J., and Jansson U. Chemical vapour deposition of molybdenum carbides: aspects of nanocrystallinity. Thin Solid Films 396 (2001) 53-61
10. Guerra Rosa L., Cruz Fernandes J., Amaral P.M., Martínez D., Rodríguez J., and Shohoji N. Photochemically promoted formation of higher carbide of molybdenum through reaction between metallic molybdenum powders and graphite powders in a solar furnace. Internat J Refractory Met Hard Mater 17 (1999) 351-356
11. Shohoji N., Amaral P.M., Cruz Fernandes J., Guerra Rosa L., Martínez D., and Rodríguez J. Catalytic graphitisation of amorphous carbon during solar carbide synthesis of VIa-group metals (Cr, Mo and W). Mater Trans JIM (Japan Institute of Metals) 41 (2000) 246-249
12. Rodríguez J, Martínez D, Guerra Rosa L, Cruz Fernandes J, Amaral PM, Shohoji N. Photochemical effects in carbide synthesis of d-group transition metals (Ti, Zr; V, Nb, Ta; Cr, Mo, W) in a solar furnace at PSA (Plataforma Solar de Almería). J Solar Energy Eng (Trans. ASME (Amer. Soc. Mech. Eng.)) 2001;123:109-16.
13. Cruz Fernandes J, Almeida Costa Oliveira F, Granier B, Badie J-M, Guerra Rosa L, Shohoji N. Kinetic aspects of reaction between tantalum and carbon material (active carbon or graphite) under solar radiation heating. Solar Energy (SE-1807), in press.
14. 2C formed from tungsten/carbon powder mixture during eruptive heating in a solar furnace. Internat J Refractory Met Hard Mater (RMHM-2727), in press, doi:10.1016/j.ijrmhm.2006.03.001.
15. Martínez D, Rodríguez J, Guerra Rosa L, Cruz Fernandes J, Shohoji N, Journal de Physique IV (Symposium Series) 1999; 9 (Proceedings 3); 405-10. "Influence of gas environment on synthesis of silicon carbide and some carbides and carbonitrides of d-group transition metals through reaction between metal powders and amorphous carbon powders in a solar furnace at P.S.A. (Plataforma Solar de Almería)".
16. Shohoji N., Guerra Rosa L., Cruz Fernandes J., Martínez D., and Rodríguez J. Catalytic acceleration of graphitisation of amorphous carbon during synthesis of tungsten carbide from tungsten and excess amorphous carbon in a solar furnace. Mater Chem Phys. 58 (1999) 172-176
17. 1-x. In: Koiwa M, Otsuka K, Miyazaki T, editor. Proceedings of the International Conference on Solid-Solid Phase Transformations '99 (JIMIC-3), Jpn Inst. Met., p. 637-40.