Investigation of mechanism and causes pinhole and strip break formation in thin aluminum foil at HEZAR aluminum foil company
محل انتشار: پنجمین کنفرانس بین المللی آلومینیوم ایران
سال انتشار: 1397
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 379
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شناسه ملی سند علمی:
IIAC05_064
تاریخ نمایه سازی: 27 تیر 1398
چکیده مقاله:
Thin Aluminum sheets used as packaging, household and Pharma foil in 20- 30-40 micron thickness. As with rolling method thickness of foil is reduced the possibility of having pinholes and strip break increases. In this study various samples of foil with a thickness between 20-60 μm that produced with twin roll cast (TRC) AA8011 and AA8006 coils are gathered. Causes of pinhole and strip breaks are investigated using optical, Scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy. Results of experiments elucidate mechanisms which lead to pinholes and strip breaks in foil production . exogenic inclusions such as silicates and iron and chromium oxides (as known roll chips) are as important sources of these defects that can lead various breaks (as known butt breaks) in long lines during rolling direction.
کلیدواژه ها:
نویسندگان
Masoud Hasankhani
Hezar Aluminum, Industrial City No.۲ Baghein Road, Kerman
Meysam Mohamadi
Hezar Aluminum, Industrial City No.۲ Baghein Road, Kerman
Alireza Bagherpour
Hezar Aluminum, Industrial City No.۲ Baghein Road, Kerman