Improvement of wear and adherence properties of composite coatings by a gradual increase in particle volume fraction

This paper reports an important application of graded materials. The effect of deposition current density, which controls the volume fraction of embedded particles, is used to produce composite coatings with a gradual increase in the particle volume fraction (PVF). The gradual increase in PVF leads...

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Bibliographic Details
Published in:Scripta materialia 1997-09, Vol.37 (5), p.685-690
Main Authors: Ding, X.M., Merk, N.
Format: Article
Language:English
Subjects:
Applied sciences
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Mechanical and acoustical properties
Metals. Metallurgy
Physical properties of thin films, nonelectronic
Physics
Surfaces and interfaces
thin films and whiskers (structure and nonelectronic properties)
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Summary:This paper reports an important application of graded materials. The effect of deposition current density, which controls the volume fraction of embedded particles, is used to produce composite coatings with a gradual increase in the particle volume fraction (PVF). The gradual increase in PVF leads to an optimization of wear resistance and adherence to the substrate of electrodeposited composite coatings; similar wear resistance is obtained when compared to uniform composites with a high volume fraction of powders, with a much improved adherence to the substrate. (AIAA)
ISSN:1359-6462
1872-8456
DOI:10.1016/S1359-6462(97)00100-0