Strategic Study of CAE >> 2002, Volume 4, Issue 9
Spray Preparation, Microstructure and Properties of Al2O3-MxO Hard - Faced Ceramic Coating
Scientific and Technological University of Kunming, Kunming 650051, Chima
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Abstract
On carbon steel substrate, base coating of nickel-coated aluminium and intermediate coating of 50% Al2O3 + 50% Ni were prepared by means of oxyacetylene spray, and final coating of Al2O3 ~ MxOy was prepared by means of plasma spray. In the fluid consisting of 60% (mass) sulphuric acid with 60 % concentration, and 40% (mass) phosphoric ore powder, the Al2O3 ~ MxOy coating resistance to corrosion and wear, is 7.46 times as strong as 18 - 8 stainless steel and is 4.06 times as strong as 316L stainless steel.
Keywords
Al2O3-MxOy ; coating ; plasma ; resistance to corrosion ; resistance to wear.
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