Journal
JOURNAL OF THERMAL SPRAY TECHNOLOGY
Volume 26, Issue 7, Pages 1732-1740Publisher
SPRINGER
DOI: 10.1007/s11666-017-0615-9
Keywords
bearings; deposition efficiency; HVOF
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Funding
- National Science and Engineering Research Council of Canada (NSERC)
- Hydro-Quebec
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This work presents HVOF as an alternative means to produce dense Babbitt coatings by thermal spray. A radial injection setup and low fuel flow rates were used to minimize heat transfer to the low melting point alloy. In-flight particle diagnostic systems were used to correlate spray parameters with the changes in particle velocity and thermal radiation intensity. The use of particles with larger diameters resulted in higher deposition efficiencies. It was shown that HVOF Babbitt coatings combine a dense structure and a fine distribution of intermetallic phases when compared to more traditional babbitting techniques.
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