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Số người truy cập: 60,368,171

  Moisture-uptake induced internal stresses in sandwich composite plate: Modeling and Experimental
Tác giả hoặc Nhóm tác giả: Luan TRANVAN, Minh NGUYENVAN, Long PHANTHANH, Dung DUONGVIET
Nơi đăng: The 3rd International Symposium of Maritime Sciences, Japan
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; Số: 3;Từ->đến trang: 207-213;Năm: 2014
Lĩnh vực: Kỹ thuật; Loại: Báo cáo; Thể loại: Quốc tế
TÓM TẮT
In order to analyse the internal stresses induced due to moisture absorption in material, moisture absorption characteristic was investigated for specimens of a dual material balsa wood-composite composed of E-glass/polyester face sheets bonded to a balsa wood. These specimens were immersed in distilled water at 40°C, and the weight gain was measured. The hygroscopic strains were measured for balsa wood specimens. A hygro-mechanical finite element model has been built and is used to simulate the moisture diffusion-induced internal stresses.
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ABSTRACT
In order to analyse the internal stresses induced due to moisture absorption in material, moisture absorption characteristic was investigated for specimens of a dual material balsa wood-composite composed of E-glass/polyester face sheets bonded to a balsa wood. These specimens were immersed in distilled water at 40°C, and the weight gain was measured. The hygroscopic strains were measured for balsa wood specimens. A hygro-mechanical finite element model has been built and is used to simulate the moisture diffusion-induced internal stresses.
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