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WHAT IS THERMAL SPRAYING ? It is a molten or a semi-molten state process in which impacting particles land on a prepared substrate or an underlying lamella.

Published byMeredith Wilcox Modified over 8 years ago

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Presentation on theme: "WHAT IS THERMAL SPRAYING ? It is a molten or a semi-molten state process in which impacting particles land on a prepared substrate or an underlying lamella."— Presentation transcript:

1 WHAT IS THERMAL SPRAYING ? It is a molten or a semi-molten state process in which impacting particles land on a prepared substrate or an underlying lamella. COATING MATERIAL (Powder/Wire) HEAT GENERATION (Combustion / Plasma/Arc) Acceleration of particles Impacting Lamella Deposited Coating SUBSTRATE Typical ProcessesSPEED TEMPRATURE HVOF750 ~ 1200 m/s4000 K D-GUN900 m/s4500 K APS400~900 m/s5000 K

2 COATING MICROSTRUCTURE - WC-Co W-Co-C (amorphous) Porosity W, W 2 C

3 TRIBOLOGICAL APPLICATIONS - THERMAL SPRAYING WHY THERMAL SPRAYING? Cost effectiveness Thicker coatings Technically competitive Environmental friendly dies, shafts, rollers, gears, bearings in oil, chemical and food processing industry

4 For Further information visit the following websites: http://www.gordonengland.co.uk/tsc.htm http://www.matscieng.sunysb.edu/tsl/ctsr/ http://www.sulzermetco.com/eprise/SulzerMetco/Sites/main.htm http://www.monitorcoatings.co.uk

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