2014•Acta Aeronautica Et Astronautica SinicaRequires access

Research Progress on New High/ultra-high Temperature Thermal Barrier Coatings and Processing Technologies

Hongbo Guo

Abstract

The research background,significance and current status of high/ultra-high temperature thermal barrier coatings(TBCs)for aero-engine applications are briefly highlighted.The recent research progress in new generation TBCs for ultrahigh temperature applications is reviewed.Emphasis is laid on the recent research achievements of Beihang University which involves new ceramic topcoat materials with superior-high temperature capabilities and thermal barrier performances,novel metallic bond coat materials with good oxidation resistance at temperatures above 1 150°C,new processing technologies of TBCs including electron beam physical vapor deposition(EB-PVD),plasma activated EB-PVD(PA EB-PVD)and plasma spray physical vapor deposition(PS-PVD).Eventually,the prospective trends of TBCs for advanced aero-engine applications are forecast.

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Key concepts: Thermal barrier coating, Physical vapor deposition, Materials science, Ceramic, Chemical vapor deposition, Engineering physics, Electron beam physical vapor deposition, Deposition (geology)