کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1563579 999614 2007 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
The effects of disbonds on the pure mode II stress intensity factor of aluminium plate reinforced with bonded composite materials
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مکانیک محاسباتی
پیش نمایش صفحه اول مقاله
The effects of disbonds on the pure mode II stress intensity factor of aluminium plate reinforced with bonded composite materials
چکیده انگلیسی

Adhesively bonded composite patch repair has been widely used to restore or extend the service life of cracked structural components due to its effectiveness to mechanical repair technique. In this work, the finite element method is applied to analyse the performance of the bonded composite patch for repairing cracks emanating from semicircular notch root in pure mode II. The stress intensity factor was computed at the crack tip repaired using a boron/epoxy patch for different orientation of fibers, taking into account the disbond. In this case, the increase of a patch thickness reduces the negative effects of disbond. When this effect is significant between the patch and the plate, it reduces the repair effectiveness. The maximum reduction obtained by using a boron/epoxy of fibers in the x-direction is of the order of 20% more important compared to a patch having its fibers in the y-direction. The stress intensity factor exhibits an asymptotic behaviour as the disbond size increases.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Computational Materials Science - Volume 39, Issue 4, June 2007, Pages 782–787
نویسندگان
, , ,