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题名: The influence of preparative parameters on the adhesion of alumina washcoats deposited on metallic supports
作者: Jia, Jingsheng;  Zhou, Jin;  Zhang, Hanguo;  Yuan, Zhongshan;  Wang, Shudong
通讯作者: 王树东
关键词: adhesion ;  alumina coating ;  metallic support
刊名: APPLIED SURFACE SCIENCE
发表日期: 2007-09-30
DOI: 10.1016/j.apsusc.2007.05.034
卷: 253, 期:23, 页:9099-9104
收录类别: SCI
文章类型: Article
部门归属: 9
项目归属: 901
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Materials Science, Coatings & Films ;  Physics, Applied ;  Physics, Condensed Matter
研究领域[WOS]: Chemistry ;  Materials Science ;  Physics
英文摘要: Well-adhered alumina washcoats on FeCrAl metallic supports were prepared using boehmite sols and alumina slurries. The microstructure and the surface performance of the washcoat/support were investigated by SEM, XRD, and ultrasonic vibration. The effects of the main preparative parameters on the coating adherence were studied. The optimal coating conditions are presented as follows: pre-oxidation of the metallic supports was performed at 900 degrees C for 10 h, the sol layer loadings were 2.0-6.6 wt.%, and the slurry layer loadings were less than 25.3 wt.%. The sol layer drying was performed at 30 degrees C for I h and that for the slurry layer the drying was performed at 120 degrees C for 2 h, and the coating calcining was performed at 900 degrees C for 2 h. The SEM photographs of coated samples show that alumina washcoats were well deposited on the metallic supports. (c) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: GAMMA-AL2O3 LAYERS ;  COATINGS ;  HONEYCOMBS ;  CATALYSTS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000249834900010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/98953
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Jia, Jingsheng,Zhou, Jin,Zhang, Hanguo,et al. The influence of preparative parameters on the adhesion of alumina washcoats deposited on metallic supports[J]. APPLIED SURFACE SCIENCE,2007,253(23):9099-9104.
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