کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5022231 1469483 2017 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Fabrication and testing of composite orthogrid sandwich cylinder
ترجمه فارسی عنوان
ساخت و آزمایش سیلندر ساندویچ ارتوپدیک کامپوزیت
کلمات کلیدی
ویژگی های مکانیکی، سازه های ساندویچ، رشته سیم پیچ،
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی (عمومی)
چکیده انگلیسی
To get a strong, stiff and weight efficient cylindrical shell, a carbon fiber reinforced orthogrid-core sandwich cylinder was designed and fabricated. The core is made up of orthogonal grids and manufactured by interlocking method. The sandwich cylinder is fabricated by filament winding method. Free vibration test combining with theoretical analysis and numerical simulation was carried out to reveal the vibration responses and estimate the modulus of the wound laminate. Uniaxial compression test was performed to reveal the strength and failure mode. Without end flanges, laminate delamination at the end controls the peak load. Delamination of skins induces interfacial debonding and dimpling of inner skin finally. An engineering method based on the average strain at the peak load is proposed to predict the load capacity of the cylinder. Compared with stiffened cylinder, the orthogrid sandwich cylinder is stiffer and stronger. Meanwhile, its making process is simplified and the mechanical ability is comparable with other lattice-core sandwich cylinders.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Composites Science and Technology - Volume 142, 12 April 2017, Pages 171-179
نویسندگان
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