Alumina and chromia coatings were deposited on steel substrates by detonation spraying in order to determine the effect of spray parameters on adhesion, hardness, porosity, and dielectric strength. Test results show that both coatings have low porosity, high hardness, and good adhesion strength and that both can be effective as wear-resistant electrically insulating layers on metal parts.

adhesion strength, alumina coatings, chromia coatings, detonation spraying, dielectric strength, porosity
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2014
DVS Media GmbH
Topics
Alumina ceramics Detonation gun spraying Dielectric strength Insulation resistance Bonding strength Porosity
Issue Section:
Novel Industrial Applications
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