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| DZ40M钴基合金铝化物涂层的循环氧化 | |
| 引用本文： | 刘培生 梁开明. DZ40M钴基合金铝化物涂层的循环氧化[J]. 稀有金属材料与工程, 2000, 29(4): 231-234 |
| 作者姓名： | 刘培生 梁开明 |
| 作者单位： | 1. 清华大学,北京,100084;中国科学院金属研究所,沈阳,110015 2. 清华大学,北京,100084 3. 中国科学院金属研究所,沈阳,110015 |
| 基金项目： | 国家重点攻关项目，金属腐蚀与防护国家重点实验室资助项目 |
| 摘 要： | 以新型定向凝固钴基高温合金ＤＺ４０Ｍ为基体，研究其低压化学气相沉积铝化物涂层的循环氧化行为，发现该涂层具有较高的抗循环氧化性能，涂层与基体结合良好。涂层退化主要是由外表面氧化膜的愈合消耗Ａｌ源所造成，沉积渗剂中加入Ｔｉ可加速涂层的退化。 |
| 关 键 词： | DZ40M钴基合金 铝化物涂层 循环氧化 |
Cyclic Oxidation Behavior of the Aluminide Coatings on the Co-Base Superalloy DZ40M |
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| Liu Peisheng,Liang Kaiming,Gu Shouren Guan Hengrong,Sun Xiaofeng,Jin Tao,Yang Kenu. Cyclic Oxidation Behavior of the Aluminide Coatings on the Co-Base Superalloy DZ40M[J]. Rare Metal Materials and Engineering, 2000, 29(4): 231-234 | |
| Authors: | Liu Peisheng Liang Kaiming Gu Shouren Guan Hengrong Sun Xiaofeng Jin Tao Yang Kenu |
| Abstract: | The cyclic oxidation behavior of aluminide coatings made by low pressure chemical vapor deposition on to a new Co base superalloy DZ40M has been investigated. It was found that these coatings bonded well to the matrix well. Coating degradation when it occurs is due primarily to a depleting Al source as the oxide scale on outer surface is heated during cyclic oxidation. This degradation will be accelerated if Ti is added to the aluminizing reagent during deposition. |
| Keywords: | alloy DZ40M aluminide coating cyclic oxidation Biography: Liu Peisheng Ph.D. Assistant Professor Dept. of Mater. Sci. & Eng. Tsinghua University Beijing 100084 P. R. China Tel:0086 10 62782126 |
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