کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
833743 1470371 2006 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Effect of annealing on the wrinkling behaviour of the commercial pure aluminium grades when drawn through a conical die
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی (عمومی)
پیش نمایش صفحه اول مقاله
Effect of annealing on the wrinkling behaviour of the commercial pure aluminium grades when drawn through a conical die
چکیده انگلیسی

Experiments have been carried out to evaluate the onset of wrinkling behaviour in three grades of annealed commercial aluminium sheets namely ISS 19000, ISS 19600 and ISS 19660 having thickness 2.00 mm, while drawing them through a conical die. The deep drawing of circular blanks of different diameters of the aforesaid sheet metals was carried out using flat bottom punch. The analysis of the experimental data has revealed that the onset of wrinkling takes place when the ratio of the plastic strain increments (dεr/dεθ) reached a critical value. It was further found that the measured strains followed non-linear paths in the wrinkling limit diagrams. Further, it was observed that the aluminium grade having high strain hardening index value, low yield stress and high normalized hardening rate shows better resistance against wrinkling. Furnace cooled aluminium grades showed better resistance against wrinkling compared with air cooled blanks.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials & Design - Volume 27, Issue 10, 2006, Pages 1163–1168
نویسندگان
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