Study of the effect of adding nickel on the properties of rust-resistant alloys
Abstract
This research aims to determine the behavior of paint or coating systems on rust-resistant alloys during oxidation processes. The well-known stainless steel alloy type (321) was chosen, and to study aluminum and nickel-aluminum plating systems in one stage at standard atmospheric pressure and at 1000 °C. ) Using the thermal cycle method, X-rays were used to determine the structure of the paint and the resulting oxide products.
Paint or varnish is usually used to promote the formation of a protective oxide crust. However, the results indicate that none of these coatings are completely resistant to oxidation, but the nickel-aluminum coating showed the greatest resistance to oxidation. This is due to the formation of an oxide layer (NiO) under the aluminized oxide layer (Al2O3), which improves oxidation resistance.
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