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51312-01668-Effect of coating on the durability at high temperature of Fe and Ni-based alloys

Picture for Effect of coating on the durability at high temperature of Fe and Ni-based alloys
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Product Number: 51312-01668-SG
ISBN: 01668 2012 CP
Author: Sebastien Dryepondt
Publication Date: 2012
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$20.00
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Meeting the growing energy demand will require to improve the efficiency of fossil fuels and alternative energy systems. Increasing temperature and/or pressure is a straightforward way to do so but it will necessitate new material solutions to ensure component durability in harsh environments. Coating application represents a cost-effective solution and some aluminide coatings deposited on Fe and Ni-based alloys have indeed demonstrated excellent oxidation resistance in aggressive atmospheres at high temperature. However the coating impact on the substrate mechanical properties remains a concern. Creep tests have been performed on bare annealed and coated Fe and Ni-based alloys at temperature ranging from 600 to 800ºC Results indicate that coating application has a marginal effect on the substrate creep properties as long as the coating is considered as non-load bearing and is deposited at the appropriate temperature. In light of these findings the potential benefit of coating application on component durability in aggressive environments will be discussed.
Meeting the growing energy demand will require to improve the efficiency of fossil fuels and alternative energy systems. Increasing temperature and/or pressure is a straightforward way to do so but it will necessitate new material solutions to ensure component durability in harsh environments. Coating application represents a cost-effective solution and some aluminide coatings deposited on Fe and Ni-based alloys have indeed demonstrated excellent oxidation resistance in aggressive atmospheres at high temperature. However the coating impact on the substrate mechanical properties remains a concern. Creep tests have been performed on bare annealed and coated Fe and Ni-based alloys at temperature ranging from 600 to 800ºC Results indicate that coating application has a marginal effect on the substrate creep properties as long as the coating is considered as non-load bearing and is deposited at the appropriate temperature. In light of these findings the potential benefit of coating application on component durability in aggressive environments will be discussed.
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