| Pd—Ni—Al涂层的循环氧化和在Na2SO4熔盐中的热腐蚀行为 |
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| 引用本文： | 何大雄,管恒荣,姜晓霞,孙晓峰.Pd—Ni—Al涂层的循环氧化和在Na2SO4熔盐中的热腐蚀行为[J].腐蚀科学与防护技术,2000,12(4):207-210. |
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| 作者姓名： | 何大雄 管恒荣 姜晓霞 孙晓峰 |
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| 作者单位： | 中国科学院金属研究所,沈阳,110015 |
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| 基金项目： | 国家重点实验室基金，， |
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| 摘 要： | 研究了底温高活性（ＨＴＨＡ）Ｐｄ－Ｎｉ－Ａｌ涂层在１０５０℃人的循环氧化和Ｎａ２ＡＳＯ４熔盐中的热腐蚀结果表明，Ｐｄ－Ｎｉ－Ａｌ涂层表面生成一层致密的氧化膜，抗热腐蚀性能接近Ｐｔ－Ａｌ涂层，优于单渗铝涂层，初步分析了Ｐｄ－Ｎｉ－Ａｌ涂层的高温腐蚀机理。
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| 关 键 词： | Pd－Ni－Al涂层 循环氧化 热腐蚀 |
CYCLIC OXIDATION AND HOT CORROSION BEHAVIOR OF Pd-Ni-A1 COATINGS |
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| HE Daxiong,GUAN Hengrong,JIANG Xiaoxia,SUN Xiaofeng.CYCLIC OXIDATION AND HOT CORROSION BEHAVIOR OF Pd-Ni-A1 COATINGS[J].Corrosion Science and Protection Technology,2000,12(4):207-210. |
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| Authors: | HE Daxiong GUAN Hengrong JIANG Xiaoxia SUN Xiaofeng |
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| Abstract: | The behavior of cyclic oxidation at 1323K and hgh temperature hot cormsion in NaZS4 melt at 1173K of Pd-Ni-A1 coatings was studied, The coating was prepared by lm-temperature-high-activitypack aluminizing technolcgy on nickel-based superalloy M.8 with a thin layer of pre-electroplated Pd-Ni alloy. The Pd-Ni-Al coating showed excellent perfmce in cyclic oxidation as well as in NaZS4 hot cormion tests. Palladium not only stabilizes the protective P-phase, but also btically increases the hot co~l~sion
resistance of coatings. |
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| Keywords: | Pd Ni Al coating cyclic oxidation hot corrosion |
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