Method for improving specific volume of etched foil

The invention relates to a method for improving the specific volume of a corrosion foil. The method for improving the specific volume of the etched foil comprises the following steps: placing the etched foil in an ammonia atmosphere, and then annealing; the annealing temperature ranges from 320 DEG...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LI HONGWEI, LI JUN, DOU JIE, GUO XUDONG, HUANG QIQIAN, FAN LIJIN, LYU GENPIN
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention relates to a method for improving the specific volume of a corrosion foil. The method for improving the specific volume of the etched foil comprises the following steps: placing the etched foil in an ammonia atmosphere, and then annealing; the annealing temperature ranges from 320 DEG C to 540 DEG C, and the time ranges from 2 hours to 10 hours. After the corrosion foil is placed in the ammonia atmosphere and subjected to high-temperature annealing treatment, the specific volume of the corrosion foil can be obviously increased, and the bending strength of the corrosion foil cannot be reduced. 本发明涉及涉及一种提高腐蚀箔比容的方法。该提高腐蚀箔比容的方法包括如下步骤:将腐蚀箔置于氨气氛围中,然后进行退火;所述退火的温度为320~540℃,时间为2~10小时。该将腐蚀箔置于氨气氛围中并进行高温温度的退火处理之后,可以明显提高腐蚀箔的比容,而且不会降低腐蚀箔的耐弯折强度。