Hot Corrosion Resistance of La2Zr2O7 Coat on Stainless Steel Alloy

MOHAMED, ELHORINY and A.M., HASSAN and ANDREAS, KILLINGER and H. F., EL-MAGHRABY and M., AWAAD and RAINER, GADOW and S. M., NAGA (2016) Hot Corrosion Resistance of La2Zr2O7 Coat on Stainless Steel Alloy. In: Fourth International Conference on Advances in Civil, Structural and Mechanical Engineering - CSM 2016, 17 - 18 March, 2016, Birmingham City University, Birmingham, UNITED KINGDOM.

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In the present study, La2Zr2O7 was used as a coat for stainless steel alloy. Lanthanum zirconate coat was sprayed using plasma spray technique. The preparation and characterization of La2Zr2O7 coat was studied. Hot corrosion of the coat surface was conducted in (1:1) V2O5 / Na2SO4 molten mixture at 900oC for 50 and 100 h. The results showed that molten mixture of V2O5 / Na2SO4 attacks La2Zr2O7 coat heavily after 100 h. Depending on the nature of molten salt, La2Zr2O7 can considered either a strong basic oxide or strong acidic oxide.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Plasma coating, Lanthanum zirconate, Hot corrosion resistance
Depositing User: Mr. John Steve
Date Deposited: 25 Mar 2019 12:10
Last Modified: 25 Mar 2019 12:10

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