Selected Abstracts of Thermal Spray Literature
Journal of Thermal Spray Technology
Hoboken
Automotive and Mechanical Industry
Low-friction coatings prepared by high-performance type spray gun. To produce low-friction coatings to be used as overlays for automobile journal bearings and to perform depositions with high rate, the authors prepared c om-
posite coatings of silver and graphite by using the new-type spray gun based on the forced constricted type plasma jet generator (i.e., the high-performance type spray gun). Characterization of the films showed the graphite phase
dispersed into the silver matrix, analyzed by optical microscopy, electron probe microanalysis, and x-ray diffraction. The coefficient of friction of thesilver/graphite overlay measured using ball-on-disk tribometer was reduced by a factor of five compared with that of bronze substrate and by factor of two compared with that of the silver/graphite overlay prepared by ECR sputter ing.
Keywords: deposition, friction, journal bearings, plasma jets, spray guns, x-ray
diffraction analysis
A.M. Lungu, O. Fukumasa, K. Osaki, S. Fujimoto, and C.P. Lungu, Dept. of
Electrical/Electronic Eng., Faculty of Engineering, Yamaguchi Univ., Y amagu-
chi, Ube 755-8611, Japan. Cited: Surf. Coat. Technol., 169-170(1), 2 June
2003, Elsevier, pp. 415-418 [in English]. ISSN 0257-8972.
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