New attachment for controlling gas flow in the HVOF process

Journal of Thermal Spray Technology

Volumn 14, Issue 1, 2005, Pages 91-99

  Dolatabadi, A ^a   Pershin, V ^b   Mostaghimi, J ^b  

^a Dept of Electrical and Computer Engineering   (Canada)

^b UNIVERSITY OF TORONTO   (Canada)

Author keywords

Air entrainment; HVOF; Particle conditions; Shroud attachment; Spatial distribution

Indexed keywords

AIR ENTRAINMENT; FLOW CONTROL; GAS DYNAMICS; MATHEMATICAL MODELS; NOZZLES; NUMERICAL ANALYSIS; SUPERSONIC FLOW;

HIGH VELOCITY OXYFUEL PROCESS; PARTICLE CONDITIONS; SHROUD ATTACHMENT; SPATIAL DISTRIBUTION;

SPRAYED COATINGS;

EID: 15744401396     PISSN: 10599630     EISSN: None     Source Type: Journal    
DOI: 10.1361/10599630522774     Document Type: Article

References (14)

1. W. Brandl, D. Toma, J. Kruger, H.J. Grabke, and G. Matthaus, The Oxidation Behaviour of HVOF Thermal-Sprayed MCrAlY Coatings, J. Surf. Coat. Technol., Vol 94-95, 1997, p 21-26
2. E. Lugscheider, C. Herbst, and L. Zhao, Parameter Studies on High-Velocity Oxy-Fuel Spraying of MCrAlY Coatings, J. Surf. Coat. Technol., Vol 108-109, 1998, p 16-23
3. G. Irons and V. Zanchuk, Comparison of MCrAlY Coatings Sprayed by HVOF and Low Pressure Processes, Thermal Spray Coatings: Research, Design and Applications, C.C Berndt and T.F. Bernecki, Ed., ASM International, 1993, p 191-197
4. D. Toma, W. Brandl, and U. Koster, Studies on the Transient Stage of Oxidation of VPS and HVOF Sprayed MCrAlY Coatings, J. Surf. Coat. Technol., Vol 120-121, 1999, p 8-15
5. L. Russo and M. Dorfman, High Temperature Oxidation of MCrAlY Coatings Produced by HVOF, Thermal Spray Science and Technology, C.C. Berndt, Ed., ASM International, 1995, p 1179-1184
6. L.N. Moskowitz, Application of HVOF Thermal Spraying to Solve Corrosion Problems in the Petroleum Industry, Thermal Spray: International Advances in Coatings Technology, C.C. Berndt, Ed., ASM International, 1992, p 611-618
7. C.M. Hackett and G.S. Settles, Research on HVOF Gas Shrouding for Coating Oxidation Control, Thermal Spray Sci. Technol., C.C. Berndt and S. Sampath, Ed., ASM International, 1995, p 21-29
8. L. Moskowitz and D.J. Lindley, U.S. Patent No. 5, 019, 426
9. V. Pershin, J. Mostaghimi, S. Chandra, and T. Coyle, A Gas Shroud Nozzle for HVOF Spray Deposition, Thermal Spray: Meeting the Challenges of the 21st Century, C. Coddet, Ed., ASM International, 1998, p 1305-1308
10. A. Dolatabadi, J. Mostaghimi, and V. Pershin, Effect of a Cylindrical Shroud on Particle Conditions in High Velocity Oxy-Fuel (HVOF) Spray Process, Sci. Technol. Adv. Mater., Vol 3, 2002, p 245-255
11. M.J. Walsh, Drag Coefficient Equation for Small Particles in High Speed Flows, AIAA J., Vol 13 (No. 11), 1975, p 1526-1528
12. A. Dolatabadi, V. Pershin, and J. Mostaghimi, Effect of Flow Regime on Particle Velocity in the High Velocity Oxy-Fuel (HVOF) Process, Tagungsband Conference Proceedings, E. Lugscheider, Ed., DVS, Germany, 2002, p 918-925
13. C. Moreau, P. Gougeon, M. Lamontagne, V. Lacasse, G. Vaudreuil, and P. Cielo, On-line Control of the Plasma Spraying Process by Monitoring the Temperature, Velocity and Trajectory of In-flight Particles, Thermal Spray Industrial Applications, C. Berndt and S. Sampath, Ed., ASM International, 1994, p 431-437
14. A. Dolatabadi, J. Mostaghimi, and V. Pershin, High Efficiency Nozzle for Thermal Spray of High Quality, Low Oxide Content Coatings, US Patent US-2003-0178511-A1, filed March 2002