Abstract
Micrometer and nanometer Al particles were codeposited with nickel by electrodeposition from a nickel sulfate bath containing a similar content of Al particles. The microstructure, the friction and wear performance of the co-deposited Ni-Al composite coatings were comparatively evaluated. The results indicated that the co-deposition of smaller nanometer Al particles with Ni effectively reduces the size of Ni crystals and significantly increases the hardness of the composite coatings due to grain-refinement strengthening and dispersion-strengthening, resulting in a significant improvement of wear resistance of the Ni-Al nanocomposite coatings. The effect of Al particles size on the microstructure, friction and wear resistance is discussed in detail.
Funder
Scientific Research Fund of Liaoning Provincial Education Department
Program for University Innovative Talents of Liaoning Province
Doctoral double innovation program of Yingkou’ company
Subject
Materials Chemistry,Metals and Alloys,Mechanics of Materials,Computational Mechanics
Cited by
1 articles.
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