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金属学报  2004, Vol. 40 Issue (1): 83-87     
  论文 本期目录 | 过刊浏览 |
电弧离子镀沉积Al(Cr)--O--N扩散阻挡层的研究
王启民;武颖娜;纪爱玲
中国科学院金属研究所金属腐蚀与防护国家重点实验室
Study Of Al--O--N And Cr--O--N Films Deposited By Arc Ion Plating As Diffusion Barriers
WANG Qimin; WU Yingna; JI Ailing
State Key Laboratory for Corrosion and Protection;Institute of Metal Research;The Chinese Academy of Sciences
引用本文:

王启民; 武颖娜; 纪爱玲 . 电弧离子镀沉积Al(Cr)--O--N扩散阻挡层的研究[J]. 金属学报, 2004, 40(1): 83-87 .
, , . Study Of Al--O--N And Cr--O--N Films Deposited By Arc Ion Plating As Diffusion Barriers[J]. Acta Metall Sin, 2004, 40(1): 83-87 .

全文: PDF(1953 KB)  
摘要: 采用电弧离子镀方法在高温合金DSM11基材上沉积Al--O--N和Cr--O--N薄膜, 研究了不同O2, N2流量对薄膜相结构的影响以及高温下DSM11/NiCoCrAlY,DSM11/Al--O--N/NiCoCrAlY和DSM11/Cr--O--N/ NiCoCrAlY体系的元素互扩散行为.实验结果表明, Al(Cr)--O--N薄膜均为多晶膜,分别具有α--Al2O3+六方AlN和Cr2O3+CrN的相结构,随着N2, O2流量的改变, 两相的相对含量发生变化. 在1050℃下氧化100 h后, Al--O--N层阻挡基体与涂层间元素互扩散的作用优于Cr--O--N层. 扩散阻挡层对涂层的氧化动力学影响不大.
关键词 Al--O--NCr--O--N扩散阻挡层    
Abstract:Al--O--N and Cr--O--N thin films were deposited on superalloy DSM11 by arc ion plating (AIP). The effects of flow rates of oxygen and nitrogen on phase composition and the interdiffusion of various elements at high temperature between DSM11 substrate and NiCoCrAlY coating were studied in the systems of DSM11/NiCoCrAlY, DSM11/Al--O--N/NiCoCrAlY and DSM11/Cr--O--N/NiCo- CrAlY. The results indicate that the Al(Cr)--O--N films are polycrystalline with phase constitution of α--Al2O3 + hexagonal AlN or Cr2O3+CrN , respectively. The relative intensity of AlN to Al2O3 or CrN to Cr2O3 is changed with the change of flow rates of oxygen and nitrogen. After oxidation at 1050℃ for 100 h, Al--O--N hindered the interdiffusion of elements between DSM11 and NiCoCrAlY more effectively than Cr--O--N film. The diffusion barrier layers hardly influenced the oxidation kinetics of the NiCoCrAlY coating.
Key wordsAl--O--N    Cr--O--N    diffusion barrier layer
收稿日期: 1900-01-01     
ZTFLH:  TG111.5  
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