%0 Journal Article %T EFFECT OF MICROSTRUCTURE OF ALUMINIDE COATING ON HIGH-CYCLE FATIGUE PERFORMANCE OF COATING-SUPERALLOY SYSTEM %A FA N Ruilin Institute of Aeronautical Materials %A Beijing %A China %A
FA N Ruilin Institute of Aeronautical Materials %A Beijing %A China %J 金属学报(英文版) %D 1992 %I %X The high-cycle fatigue performance of different microstructures of aluminide coating-superalloy system has been studied at 900℃.The single phase coating of coarse equiaxialgrain NiAI(β)has unfavorable eJfect onJatigue life of the coating-superalloy.The fatigue lifemay shorten if the coating of NiAl(β)was an enrichment of coarse refractory metal grains.While an improvement can be made by dispersing numerous secondary phase particles such asextreme.fine γ′,quasi-σ-phase and others. %K aluminide coating %K coating microstructure %K high temperature %K high cycle fatigue
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=C19B08D052F5FD8445F4BB80A1A5D7BF&aid=980228AD66F6C0AF717D8D784D8D75E6&yid=F53A2717BDB04D52&vid=94C357A881DFC066&iid=0B39A22176CE99FB&sid=CDEBD1ACE0A4C1C1&eid=B344543C2864D684&journal_id=1006-7191&journal_name=金属学报(英文版)&referenced_num=0&reference_num=8