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مقاله Numerical Study of Polymer Composite Lap Joints with Different Configurations تحت word دارای 7 صفحه می باشد و دارای تنظیمات در microsoft word می باشد و آماده پرینت یا چاپ است

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بخشی از متن مقاله Numerical Study of Polymer Composite Lap Joints with Different Configurations تحت word :

سال انتشار: 1390

محل انتشار: هفتمین کنگره ملی مهندسی شیمی

تعداد صفحات: 7

نویسنده(ها):

Hadi Khoramishad – School of Mechanical Engineering, Iran University of Science and Technology, Tehran, 16846-13114, Iran
Saeed Akbari R. – School of Mechanical Engineering, Iran University of Science and Technology, Tehran, 16846-13114, Iran

چکیده:

This research deals with carbon-fiber-reinforced epoxy composite laminates bonded with an epoxy adhesive. The effect of joint configuration is investigated by means of a numerical approach based on a finite element method. This approach is developed in order to calculate the peel and shearstress distribution along the overlap in different configurations of composite lap joints. These configurations include: the single-lap, the double-lap, the beveled-lap, the joggle-lap and the wavy-lap joints. The adherends were considered to be transversely isotropic materials while theadhesive was considered as an isotropic material. Carbon/epoxy composite laminate and epoxyresin were used as adeherend and adhesive material, respectively. Results of simulation showedthat the wavy lap joint creates the best results because of the compressive normal stresses createdat the end of joint overlap length. Also, this design caused more uniformity in the distribution of shear stress.