Parameter study of HP/HVOF deposited WC-Co coatings

Journal of Thermal Spray Technology

Volumn 7, Issue 1, 1998, Pages 97-107

  de Villiers Lovelock, H L ^a   Richter, P W ^a   Benson, J M ^a   Young, P M ^a  

^a DSI CSIR Nanotechnology Innovation Centre   (South Africa)

Author keywords

Abrasion tests; HVOFprocess; Process optimization; WC Co coatings

Indexed keywords

ABRASION TESTS; POWDER COMPOSITION;

DEPOSITION; LIQUID FUELS; OPTIMIZATION; PARTICLE SIZE; PHASE COMPOSITION; POROSITY; TAGUCHI METHODS; WEAR RESISTANCE; IMPROVEMENT; MICROSTRUCTURE; OXYGEN; TUNGSTEN CARBIDE; VELOCITY;

THERMAL SPRAYING; CERAMIC COATINGS;

ABRASION RESISTANCE;

EID: 0032027935     PISSN: 10599630     EISSN: None     Source Type: Journal    
DOI: 10.1361/105996398770351106     Document Type: Article

References (29)

1. R. Kingswell, K.T. Scott, and L.L. Wassell, Optimizing the Vacuum Plasma Spray Deposition of Metal, Ceramic, and Cermet Coatings using Designed Experiments, Thermal Spray: International Advances in Coatings Technology, C.C. Berndt, Ed., ASM International, 1992, p 421-426
2. T.C. Nerz, J.E. Nerz, B.A. Kushner, and A.J. Rotolico, Evaluation of HEP Sprayed Tungsten Carbide/Cobalt Coating using Design of Experiment Method, Thermal Spray: International Advances in Coatings Technology, C.C. Berndt, Ed., ASM International, 1992, p 402-412
3. D.J. Varacalle, G.R. Smolik, G.C. Wilson, G. Irons, and J.A. Walter, An Evaluation of Tungsten Carbide-Cobalt Coatings Fabricated with the Plasma Spray Process, Protective Coatings: Processing and Characterization, R.M. Yazici, Ed., The Minerals, Metals, and Materials Society, 1990, p 121-134
4. T.J. Steeper, D.J. Varacalle, G.C. Wilson, W.L. Riggs, A.J. Rotolico, and J.E. Nerz, A Design of Experiment Study of Plasma Sprayed Alumina-Titania Coatings, Thermal Spray: International Advances in Coatings Technology, C.C. Berndt, Ed., ASM International, 1992, p 415-420
5. W.L. Riggs, R.K. Betz, and N. Jayaraman, Taguchi Experimental Design Study of Plasma and HVOF Chrome Carbide/Nickel Chromium, Thermal Spray Research and Applications, T.F. Bernecki, Ed., ASM International, 1991, p 711-728
6. J. Walter and W.L. Riggs, Plasma Spray Coating Parameter Development, Thermal Spray Research and Applications, T.F. Bernecki, Ed., ASM International, 1991, p 729-733
7. H.E. Exner et al., Prakt. Metallogr., Vol 30, 1996, p 322
8. K. Korpiola and P. Vuoristo, Effect of HVOF Gas Velocity and Fuel to Oxygen Ratio on the Wear Properties of Tungsten Carbide Coating, Thermal Spray: Practical Solutions for Engineering Problems, C.C. Berndt, Ed., ASM International, 1996, p 177-184
9. H.L. de Villiers Filmer and A.J. Jurriaanse, The Influence of Starting Powder Properties on the Structure and Wear Behaviour of WC-Co Thermal Spray Coatings, Report No., WBS 131-02, MATTEK, Project No. MMM1R/029, CSIR, Pretoria, South Africa, 1996
10. J.E. Nerz, B.A. Kushner, and A.J. Rotolico, Effects of Deposition Methods on the Physical Properties of Tungsten Carbide-12 wt% Cobalt Thermal Spray Coatings, Protective Coatings: Processing and Characterization, R.M. Yazici, Ed., The Minerals, Metals, and Materials Society, 1990, p 135-143
11. C.-J. Li, A. Ohmori, and Y. Harada, Effect of Powder Structure on the Structure of Thermally Sprayed WC-Co Coatings, J. Mater. Sci., Vol 31, 1996, p 785-794
12. J. R. Fincke, W. D. Swank, and D.C. Haggard, Comparison of the Characteristics of HVOF and Plasma Thermal Spray, Thermal Spray Industrial Applications, C.C. Berndt and S. Sampath, Ed., ASM International, 1994, p 325-330
13. J. Subrahmanyam, M.P. Srivastava, and R. Sivakumar, Characterization of Plasma Sprayed WC-Co Coatings, Mater. Sci. Eng., Vol 84, 1986, p 209-214
14. Ch. Heinzelmaier and K.K. Schweitzer, WC-Co Coatings for Protection Against Hammer Wear in Flight Engines, Proc. Therm. Spray Conf. TS90, (Essen, Germany, August 1990), Deutsche Verband für Schweisstechnik, Düsseldorf, publication No. DVS 130, 1990, p 51-54
15. J.E. Nerz, B.A. Kushner, and A.J. Rotolico, Microstructural Evaluation of Tungsten Carbide-Cobalt Coatings, J. Therm. Spray. Technol., Vol 1, 1992, p 147-152
16. A. Karimi, Ch. Verdon, and G. Barbezat, Microstructure and Hydroabrasive Wear Behaviour of High Velocity Oxy-Fuel Thermally Sprayed WC-Co(Cr) Coatings, Surf. Coat. Technol., Vol 57, 1993, p 81-89
17. Ch. Verdon, Microstructure et Résistance à l'Érosion de Revêtements WC-M Déposés par Projection Thermique HVOF (French), Ph.D. thesis No. 1393, École Polytechnique Fédérale de Lausanne (EPFL), Switzerland, 1995
18. L.E. McCandlish, B.H. Kear, B.K. Kim, and L.W. Wu, Low Pressure Plasma Sprayed Coatings of Nanophase WC-Co, Protective Coatings: Processing and Characterization, R.M. Yazici, Ed., The Minerals, Metals, and Materials Society, Warrendale, PA, 1990, p 113-119
19. C.J. Li, A. Ohmori, and Y. Harada, Formation of an Amorphous Phase in Thermally Sprayed WC-Co, J. Therm. Spray Technol., Vol 5 (No. 1), 1996, p 69-73
20. J.E. Nerz, B.A. Kushner, and A.J. Rotolico, Characterization of Tungsten Carbide Coatings as a Function of Powder Manufacturing and Deposition Technologies, Mater. Sci. Monogr. (High Performance Ceramic Films and Coatings), Vol 67, 1991, p 27-36
21. B.A. Detering, J.R. Knibloe, and T.L. Eddy, Occurrence of Tungsten Plasma in Plasma Spraying of WC/Co, Thermal Spray Research and Applications, T.F. Bernecki, Ed., ASM International, 1991, p 27-31
22. G. Barbezat, E. Müller, and B. Walser, Metallurgische Aspekte und Eigenschaften von Wolframkarbid-Kobalt-Schichten hergestellt mit dem KET KOTE Verfahren (in German), VDI-Berichte, Vol 670, 1988, p 853-872
23. J.E. Nerz, B.A. Kushner, and A.J. Rotolico, Effects of Deposition Methods on the Physical Properties of Tungsten Carbide-12 wt% Cobalt Thermal Spray Coatings, Protective Coatings: Processing and Characterization, R.M. Yazici, Ed., The Metals and Mineral Society, 1990, p 135-143
24. T.P. Slavin and J. Nerz, Material Characteristics and Performance of WC-Co Wear Resistant Coatings, Thermal Spray Research and Applications, T.F. Bernecki, Ed., ASM International, 1991, p 159-165
25. P. Vuoristo, K. Niemi, A. Mäkelä, and T. Mäntylä, Spray Parameter Effects on Structure and Wear Properties of Detonation Gun Sprayed WC + 17%Co Coatings, Thermal Spray: Research, Design, and Applications, C.C. Berndt and T.F. Bernecki, Ed., ASM International, 1993, p 173-178
26. M.S.A. Khan and T.W. Clyne, Microstructure and Abrasion Resistance of Plasma Sprayed Cermet Coatings, Thermal Spray: Practical Solutions for Engineering Problems, C.C. Berndt, Ed., ASM International, 1996, p 113-122
27. W.J. Lenling, M.F. Smith, and J.A. Henfling, Process for Producing Plasma Sprayed Carbide-Based Coatings with Minimal Decarburization and Near Theoretical Density, Thermal Spray Research and Applications, T.F. Bernecki, Ed., ASM International, 1991, p 451-455
28. A. Karimi and C. Verdon, Hydroabrasive Wear Behaviour of High Velocity Oxyfuel Thermally Sprayed WC-M Coatings, Surf. Coat. Technol., Vol 62, 1993, p 493-498
29. P.L. Kuhanen and P.O. Kettunen, Comparison of Plasma and Detonation Gun Sprayed Tungsten Carbide-Cobalt Coatings, Proc. Therm. Spray. Conf. TS93, Aachen, Germany, 3-5 March 1993, Pub. Deutsche Verband für Schweisstechnik, Düsseldorf, Publication No. DVS 152, 1993, p 100-102