采用金相显微镜、扫描电镜(能谱)、透射电镜及比电容检测等方法研究了不同均匀化制度下0.05mm的3003阴极箔腐蚀箔的表面腐蚀形貌和光箔的析出相形貌、大小以及体积分数及其对比电容的影响.结果表明:样品经620℃/24h+水淬+500℃/10h+空冷的双级均匀化后,析出相粒子尺寸细小,分布弥散,体积分数达6.5%,阴极箔腐蚀均匀,比电容可达530μF/cm2,而其他单级均匀化制度下,析出相较粗大且细小析出相相对较少,因而比电容比双级均匀化样品的低.实验结果同时表明,不同的均匀化制度对光箔的位错组态影响不明显,析出相的组态决定了比电容的高低和腐蚀形貌.
参考文献
| [1] | Leo van Alphen;Paul Nauwen;Just Slakhorst .The relationship between the composition,the structure parameters and the etchability of alloyed Al-cathode foil for electrolytic capacitors[J].Zeitschrift fur Metallkunde,1979,70(03):158-167. |
| [2] | 高亢之.电解电容器用铝箔概述[J].轻合金加工技术,2000(11):9-15. |
| [3] | Y.J. Li;L. Arnberg .Evolution of eutectic intermetallic particles in DC-cast AA3003 alloy during heating and homogenization[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2003(1/2):130-135. |
| [4] | Tibballs JE.;Simensen CJ.;Horst JA. .Precipitation of alpha-Al(Fe,Mn)Si from the melt[J].Journal of Materials Science,2001(4):937-941. |
| [5] | Aruna Bahadur .Intermetallic phases in Al-Mn alloys[J].Journal of Materials Science,1988,23:48-54. |
| [6] | Alexander D T L;Greer A L .Solid-state intermetallic phase transformations in 3XXX aluminium alloys[J].Acta Materialia,2002,50:2571-2583. |
| [7] | Jian Li;Saimoto S .The role of solute segregation and precipitation at dislocations to enhance continuous recrystallization[J].Materials Science and Engineering A,1997,A234～236:1011-1014. |
| [8] | Ney Jose Luiggi .Isothermal Precipitation of Commercial 3003 Al Alloys Studied by Thermoelectric Power[J].Metallurgical and Materials Transactions B:Process Metallurgy and Materials Processing Science,1997,28B:125-133. |
| [9] | Chen SP.;Kuijpers NCW.;van der Zwaag S. .Effect of micro segregation and dislocations on the nucleation kinetics of precipitation in aluminium alloy AA3003[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2003(1/2):296-306. |
| [10] | Howe J M .Metallographic and differential scanning calorimetry analyses of precipitation and recrystallization in an Al-Mn alloy[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1986,17A:593-604. |
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