Journal
ADVANCED ENGINEERING MATERIALS
Volume 16, Issue 6, Pages 713-728Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adem.201400090
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Funding
- NRC Canada [801309]
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Chemical vapor deposition (CVD) boride coatings obtained through thermal diffusion of boron into metallic base of engineering components provide significant improvement of wear and corrosion resistance, integrity and service life of the components in several times. Thermal diffusion process and coating quality are defined by the batch composition providing the boron deposition and diffusion, temperature and time of the process, type of metallic base and its surface quality, and engineering design of the CVD process system. The obtained coatings with thicknesses of 50-250 up to 300-400mm (depending on the application) are uniform and dense with consistent saw-tooth structures (for carbon steels) through the entire surface of the components with no delamination issues. Wear test studies demonstrated the coatings' adequate performance defined by high hardness and specific morphology of the coatings.
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