文档介绍：第39卷 2003年4月第4期 439—443页金属学跋 ACTAMETALLURGICASINICA —443 (Ni,Pd)A1涂层的抗高温氧化性能李猛进孙晓峰管恒荣姜晓霞胡壮麒(中国科学院金属研究所金属腐蚀与防护国家重点实验室,沈阳110016) 摘要采用低压固体粉末包埋渗铝方法在M38镍基高温合金上制备钯改性铝化物涂层,利用热重分析(TGA)、扫描电镜(SEM)、X射线衍射(XRD)等方法,研究其1100℃,(Ni,Pd),(Ni,Pd)A1涂层具有更优良的抗高温氧化性能,,延缓涂层的退化,有益于提高铝化物涂层的抗高温氧化性能. 关键词一(Ni,Pd)A1涂层,镍基高温合金,高温氧化性能,退化中图法分类号 文献标识码A 文章编号 0412—1961(2003)04—0439—05 HIGHTEMPER觚’UREoXIDATIoNBEHAVIoRoF (Ni,Pd)AIcoATING LIMengjin,SUNXiaofeng,GUANHengrong,JIANGXiaoxia,HUZhuangqi StateKeyLaboratoryforCorrosionandProtection,InstituteofMetalResearch,TheChineseAcademyofSciences, Shenyang110016 Correspondent:LIMengjin,Tel:(024)23971787,Fax:(02~)23891320,E-mail:******@imr. Manuscriptreceived2002-06-26,inrevisedform2002—10-09 ABSTRACTThe1100℃oxidationbehavioroffNi,Pd)AIcoatingpreparedbylowpressurepack cementationonthenickel-basedsuperalloyM38,Wasstudiedbythermalgravimetricanalysis(TGA), X__raydiaction(XRD),,Pd)AIcoating obeysparaboliclawanditsperformanceofhightemperatureoxidationresistanceisbetterthanthatof ofstabilizingthe phase,retardingthedegradationofcoating,andincreasingthehightemperature oxidationresistanceofcoating. KEYwoRDs(Ni,Pd)AIcoating,nickel-basedsuperalloy,hightemperatureoxidationproperty, deg