2008•Heat Treatment Technology and EquipmentRequires access
Research States of High-temperature Oxidation Resistance Technology on TiAl Alloys
Lida Shen
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Abstract
TiAl alloys are new type high-temperature structural materials applied for aerospace and aircraft industry because of their low density,high strength and good creep resistance.But when the tempreture is above 800 ℃,Its high-temperature oxidation resistance is bad,which obstructs its practical application,how to improve high-temperature oxidation resistance of TiAl alloys becomes a problem aroused general concern.The present situation of domestic and foreign researches of high-temperature oxidation resistance technology on TiAl alloys is reviewed.And surface alloying technology and surface coating protection technology and their developing trends are mainly described.