Kinetics of corrosion action of aluminum in sodium hydroxide solution

Zhang Hao; Xing Pifeng; Li Ping; Zhao Liping; Yang Mengsheng; Yi Taimin; Zheng Fengcheng

doi:10.3788/HPLPB20132507.1701

Volume 25 Issue 07

May 2013

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Wu Zhaoyang, Chen Zhigang, Xue Changjiang, et al. Experimental research on GaAs photoconductive semiconductor switches triggered by laser diode[J]. High Power Laser and Particle Beams, 2012, 24: 635-638. doi: 10.3788/HPLPB20122403.0635

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Zhang Hao, Xing Pifeng, Li Ping, et al. Kinetics of corrosion action of aluminum in sodium hydroxide solution[J]. High Power Laser and Particle Beams, 2013, 25: 1701-1704. doi: 10.3788/HPLPB20132507.1701

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Kinetics of corrosion action of aluminum in sodium hydroxide solution

doi: 10.3788/HPLPB20132507.1701

1.
Institute of Atomic and Molecular Physics,Sichuan University,Chengdu 610065,China;
2.
Research Center of Laser Fusion,CAEP,P.O.Box 919-987,Mianyang 621900,China

Received Date: 2012-12-20
Rev Recd Date: 2013-01-21
Publish Date: 2013-05-02

Abstract

Abstract

In fabrication of high conversion efficiency hohlraums, one of the most important steps is using sodium hydroxide solution to etch away the aluminum mandrel. In order to grip the corrosion action of aluminum in sodium hydroxide solution, we use weight loss method to investigate the corrosion action of aluminum in 1-5 mol/L sodium hydroxide solution at 30 ℃ and that in 3 mol/L sodium hydroxide solution in the condition of 30-50 ℃. Through disposing the experiment data by experience formula, we obtain the kinetic parameters, i.e. reaction rate constant, order of reaction, apparent activation energy, and pre-exponential factor. Moreover, the reaction products are analyzed by means of X-ray diffraction.
- aluminum,
- sodium hydroxide,
- temperature,
- concentration,
- corrosion kinetics,
- aluminum hydroxide

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