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Oxidation Behavior of Pd-modified aluminide coating at high temperature
M. J. Li; X. F. Sun; H. R. Guan; X. X. Jiang; Z. Q. Hu
2003
发表期刊Journal of Materials Science & Technology
ISSN1005-0302
卷号19期号:3页码:213-217
摘要(Ni,Pd)Al coating, prepared by low pressure pack cementation on the Ni-base superalloy M38 where Pd-20 wt pct Ni alloy was predeposited, consists of a single beta-(Ni, Pd)AI phase. The initial isothermal oxidation behavior of (Ni,Pd)AI coating was investigated by TGA, XRD, SEM/EDS at 800similar to1100degreesC. Results show that oxidation kinetics accord preferably with parabolic law at 800, 900 and 1100degreesC, but not at 1000degreesC. theta-Al2O3 was observed at 800similar to1100degreesC. It is found that Pd plays an important role in accelerating the diffusion of Ti from the substrate to the coating surface in the aluminide coating.
部门归属chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china.;li, mj (reprint author), chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china
关键词(Ni Pd)Al Coating High Temperature Oxidation Oxidation Kinetics Theta-al2o3 Oxygen Partial-pressure Superalloys Mechanisms Transition Corrosion Kinetics Scale Ni3al Cr
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WOS记录号WOS:000183282000006
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被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/35895
专题中国科学院金属研究所
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M. J. Li,X. F. Sun,H. R. Guan,et al. Oxidation Behavior of Pd-modified aluminide coating at high temperature[J]. Journal of Materials Science & Technology,2003,19(3):213-217.
APA M. J. Li,X. F. Sun,H. R. Guan,X. X. Jiang,&Z. Q. Hu.(2003).Oxidation Behavior of Pd-modified aluminide coating at high temperature.Journal of Materials Science & Technology,19(3),213-217.
MLA M. J. Li,et al."Oxidation Behavior of Pd-modified aluminide coating at high temperature".Journal of Materials Science & Technology 19.3(2003):213-217.
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