Copper-Tungsten Composites Sprayed by HVOF |
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| Authors: | Ji?í Matějí?ek Franti?ek Zahálka Jan Bensch Weiguang Chi Josef Sedlá?ek |
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| Affiliation: | (1) Institute of Plasma Physics, Praha, Czech Republic;(2) Škoda Research, Plzeň, Czech Republic;(3) Center for Thermal Spray Research, State University of New York, Stony Brook, USA;(4) Faculty of Electrical Engineering, Czech Technical University, Praha, Czech Republic |
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| Abstract: | Copper and copper-tungsten composite coatings were produced by high-velocity oxy-fuel spraying (HVOF). After initial optimization
of the spraying parameters, coatings of various compositions were made and their structure, composition, mechanical, thermal,
and electrical properties were characterized. The HVOF technique was able to produce rather dense coatings with minimal oxide
content and relatively good mechanical and thermal properties compared to, for example, plasma-sprayed coatings; however,
the achieved tungsten content was quite low. |
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| Keywords: | composite materials high velocity/electric arc sprayed coatings HVOF spray parameters |
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