Coating treatment for alloy resistance at high temperatures to AISI 304 alloy
Section: Article
Abstract
The oxidation resistance of the austenitic alloy AISI 304 was studied, after being coated by cementing with aluminum at a high temperature of 900°C, because the alloy is used industrially, and in very harsh environmental conditions such as sulfur and oxidation. A light microscope was used in the research, to study the structural composition of the alloy, In its three phases, X-ray diffraction was used to determine the phases.In addition to measuring the hardness, the results proved that the coated alloy gave a high oxidation resistance of about 75% of the base alloy, while the corrosion resistance increased by 100% after treating it to the same degree.
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