مقاله Matrix Crack and Delamination Analyses in Composite Laminates by FEM Based Micromechanical Approach با word دارای 6 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 Matrix Crack and Delamination Analyses in Composite Laminates by FEM Based Micromechanical Approach با word :

سال انتشار: 1389

محل انتشار: دومین کنفرانس بین المللی کامپوزیت

تعداد صفحات: 6

نویسنده(ها):

H Hosseini-Toudeshky – Department of Aerospace Engineering, Amirkabir University of Technology,24 Hafez Avenue, Tehran
B Mohammadi – School of Mechanical Engineering, Iran University of Science & Technology, Tehran, Iran
H.A Rashtiyani –

چکیده:

In this paper, a finite element based micromechanical approach are performed to study the effect of matrix cracking (also known as intralaminar cracking) on the behavior of cross-ply [0n/90m]s and angle-ply [n/90m]s laminates. The laminates material is carbon/epoxy and loaded statically in tension. The developed procedure is employed for different cross-ply and angle-ply symmetric laminates with various lay-up configurations. Prediction of mechanical properties degradation due to the damage formation are calculated using the developed micromechanical approach which is able to predict the stress transfer between the 90 plies in a [0n/90m]s cross-ply or an angle-ply [n/90m]s laminatecontaining parallel transverse cracks. In addition, reduction of axial stiffness versus crack density in off-axis plies will be presented for [45/-45]. It is shown that the predicted stiffness reductions and energy release rates are close to the available experimental measurements and theoretical results for carbon/epoxy laminates