| 侵蚀电流对中高压电容器铝箔孔密度和电容量的影响 |
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| 引用本文： | 阎康平,涂铭旌,严季新,胡广军,王建中.侵蚀电流对中高压电容器铝箔孔密度和电容量的影响[J].电子元件与材料,1999,18(3):26-27. |
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| 作者姓名： | 阎康平 涂铭旌 严季新 胡广军 王建中 |
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| 作者单位： | 1. 四川大学,成都,610065
2. 南通电极箔厂,通州,226361 |
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| 摘 要： | 研究了盐酸与硫酸的混酸中直流电侵蚀下，电流密度对电解电容器用高纯铝箔的腐蚀行为的影响。结果表明：铝箔侵蚀电流密度可以决定蚀孔的尺寸和孔密度，改变电流密度，可以使铝箔获得不同的起始发孔密度和电容量。大电流侵蚀形成孔径小但孔密度较大的铝箔蚀孔；小电流侵蚀形成孔径较大但孔密度较小的铝箔蚀孔；同一种铝箔的发孔密度随电流密度的增大而增加。
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| 关 键 词： | 铝箔 侵蚀电流 铝箔孔密度 中高压电容器 |
The Effect of Current Density on Pit Density and Capacitance in Tunnel Etching of Al Foil |
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| Yan Kangping,Tu Mingjing,Yan Jixing,Hu Guangjun,Wang Gianzhong.The Effect of Current Density on Pit Density and Capacitance in Tunnel Etching of Al Foil[J].Electronic Components & Materials,1999,18(3):26-27. |
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| Authors: | Yan Kangping Tu Mingjing Yan Jixing Hu Guangjun Wang Gianzhong |
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| Abstract: | Al foil for
electrolytic capacitors of middle and high voltage is etched by DC current in hot mixture solution of
hydrochloric and sulfuric acid. The test results show that the size and density of the etched pits
change with the current density. The pit size is smaller and the pit density higher at higher current
density; and vice versa. (6 refs.) |
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| Keywords: | Aluminum foil etching current pit density in Aluminum foil capacitors of middle and high voltage |
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