退火時(shí)間對(duì)電解電容器高壓鋁箔腐蝕發(fā)孔的影響-閱讀頁(yè)
2024-08-28 16:34本頁(yè)面
【正文】 electrochemical corrosion were applied to observe and analyze the influence of different annealing time on the volume fraction of cube texture and the behaviors of pit corrosion of high voltage aluminum foils for electrolytic capacitors. It was found that the cube texture kept high volume fraction with increasing annealing time, while the rate and homogeneity of pit corrosion were modified obviously. It was indicated that the distribution homogeneity of microalloyed copper atoms increased with increasing annealing time, which resulted in the modified pit corrosion. The stirring treatment by casting and the homogenization heat treatment before hot rolling could also achieve the homogeneous distribution of microalloyed copper atoms.Keywords: High voltage aluminum foil, annealing, cube texture, pit corrosion.
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