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1篇 您的检索式:作者名="K.N.Pandey"
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1Microstructure studies of air-plasma-spray-deposited CoNiCrAlY coatings before and after thermal cyclic loading for high-temperature application显示文摘In the present study, bond-coats for thermal barrier coatings were deposited via air plasma spraying(APS) techniques onto Inconel 800 and Hastelloy C-276 alloy substrates. Scanning electron microscopy(SEM), transmission electron microscopy(TEM), X-ray diffraction(XRD), and atomic force microscopy(AFM) were used to investigate the phases and microstructure of the as-sprayed, APS-deposited Co Ni Cr Al Y bond-coatings. The aim of this work was to study the suitability of the bond-coat materials for high temperature applications. Confirmation of nanoscale grains of the γ/γ′-phase was obtained by TEM, high-resolution TEM, and AFM. We concluded that these changes result from the plastic deformation of the bond-coat during the deposition, resulting in Co Ni Cr Al Y bond-coatings with excellent thermal cyclic resistance suitable for use in high-temperature applications. Cyclic oxidative stability was observed to also depend on the underlying metallic alloy substrate.Dipak Kumar K.N.Pandey Dipak Kumar Das 2016International Journal of Minerals,Metallurgy and Materials2016,23,8:6
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