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The pack cementation was employed to produce rare earth modified chromium coatings on P110 steel aiming at improving its performance and increasing the usage lifetime during operation. The orthogonal array design (OAD) was applied to set experiments. Contents of NH 4 Cl, types of RE, contents of RE, test temperature and soaking time were the main factors, and each factor was endowed with four...
In order to improve the corrosion resistance and increase the service lifetime of P110 steel during operation, four chromizing coatings were formed onto its surface with/without addition of rare earths via pack cementation process. The surface morphologies and microstructures of the chromizing coatings were observed using scanning electron microscopy (SEM), and the phase constitutions were investigated...
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