| 铝在氢氧化钠溶液中的腐蚀动力学行为 |
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| 引用本文： | 张豪,邢丕峰,李萍,赵利平,杨蒙生,易泰民,郑凤成.铝在氢氧化钠溶液中的腐蚀动力学行为[J].强激光与粒子束,2013,25(7):1701-1704. |
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| 作者姓名： | 张豪 邢丕峰 李萍 赵利平 杨蒙生 易泰民 郑凤成 |
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| 作者单位： | 1.四川大学 原子与分子物理研究所, 成都 61 0065; |
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| 摘 要： | 在高效率转化腔的制备过程中，使用氢氧化钠溶液去除铝芯轴是最关键的步骤之一。为掌握铝在氢氧化钠溶液的腐蚀行为，采用失重法，研究铝在30 ℃条件下，1~5 mol/L的氢氧化钠溶液中的动力学行为；以及在3 mol/L的氢氧化钠溶液中，30~50 ℃条件下的氢氧化钠溶液中的动力学行为。对数据进行拟合和经验公式处理，求出各动力学参数（反应级数，速率常数，表观活化能、指前因子），并通过X射线衍射仪对其产物进行分析。
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| 关 键 词： | 铝 氢氧化钠 温度 浓度 腐蚀动力学 氢氧化铝 |
| 收稿时间： | 2012-12-20; |
Kinetics of corrosion action of aluminum in sodium hydroxide solution |
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| Zhang Hao,Xing Pifeng,Li Ping,Zhao Liping,Yang Mengsheng,Yi Taimin,Zheng Fengcheng.Kinetics of corrosion action of aluminum in sodium hydroxide solution[J].High Power Laser and Particle Beams,2013,25(7):1701-1704. |
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| Authors: | Zhang Hao Xing Pifeng Li Ping Zhao Liping Yang Mengsheng Yi Taimin Zheng Fengcheng |
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| Affiliation: | 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 |
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| 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. |
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| Keywords: | sodium hydroxide temperature concentration corrosion kinetics aluminum hydroxide |
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