کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10627787 | 990142 | 2005 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Application of the boundary shape perturbation method to stress analysis of laminated composites with ply waviness
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Ply waviness is a manufacturing defect that occurs in thick fibre-reinforced composite laminates during the curing process. It is known to cause significant degradation of mechanical properties and fatigue life, particularly under compressive loading. To predict failure in the vicinity of the wavy layer, accurate information about stresses at the undulating interfaces is needed. In this paper, an analytical approach to determination of stresses in laminated composites with ply waviness subjected to compressive or flexural loading is presented. Using the boundary shape perturbation method, 3D elasticity problem for a laminate with undulating interfaces is transformed into a sequence of 3D elasticity problems for a reference laminate with perfectly flat layers. The application of the presented analytical approach to a particular problem is illustrated with the example of a transversally loaded laminated plate with a wavy layer.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Composites Part A: Applied Science and Manufacturing - Volume 36, Issue 2, February 2005, Pages 137-143
Journal: Composites Part A: Applied Science and Manufacturing - Volume 36, Issue 2, February 2005, Pages 137-143
نویسندگان
M. Kashtalyan,