IMPROVING HIGH TEMPERATURE PERFORMANCE OF ALUMINUM FOAMS BY NICKEL COATING

被引：0

作者：

Cao, Zhuokun ^{[1
]}

Liu, Huan ^{[1
]}

Liu, Yihan ^{[1
]}

Yao, Guangchun ^{[1
]}

机构：

[1] Northeastern Univ, Sch Met & Mat, Shenyang, Peoples R China

来源：

TMS2011 SUPPLEMENTAL PROCEEDINGS, VOL 1: MATERIALS PROCESSING AND ENERGY MATERIALS | 2011年

关键词：

Aluminum foam; Nickel coating; High Temperature Property; SOUND-ABSORPTION; CELLULAR METALS;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In order to meet the application of aluminum foams as high temperature acoustic absorbers, nickel coating was formed on the surface of aluminum foams by direct electroplating. Microstructure of the pretreated and nickel coated specimens was observed by SEM, and influences of pretreatment, current density, operating time and additives on the property of coating were discussed. Flat and smooth coating was obtained by electroplating for 2 hours at a current density of 0.02A/m(2) with certain additives. Compressive tests were performed on the specimens both with and without nickel coating at room temperature and at 540, 660 and 700 degrees C. The results show the fact that nickel coating can effectively improve the compressive property of aluminum foams, especially at high temperatures near and beyond the melting point of aluminum.

引用

页码：71 / 76

页数：6

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