Effect of the Amorphous Silica Coating Derived by Sol-gel Processing on the Oxidation Behavior of Ni

摘要：

Amorphous silica coating was deposited on the surface of Ni by dip-coating processing from commercial silica sol. Isothermal oxidation of the coated and uncoated specimens at 973 K to 1173 K in air was conducted to investigate the effect of the silica coating on the oxidation behavior of Ni by TGA, SEM and XRD. Results of the oxidation tests showed that the oxidation rate of Ni was reduced greatly due to the applied thin film. The possible mechanism of the effect of thin film on the oxidation of Ni was discussed.

关键词： Sol-gel processing SiO2 thin film Ni high temperature oxidation

作者: B. Y. Ren Y. H. Gao S. J. Wang X. J. Zhang N. X. Feng

作者单位: School of Materials and Metallurgy, Northeastern University, Shenyang 110004 China College of Applie College of Applied Chemistry, Shenyang Institute of Chemical Technology, 110142 China School of Materials and Metallurgy, Northeastern University, Shenyang 110004 China

会议类型: 国际会议

会议名称: 第二届多功能材料与结构国际会议

会议地点: 青岛

会议语种:英文

页码: 671-674

在线出版日期: 2009-10-09（万方平台首次上网日期，不代表论文的发表时间）