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The purpose of this paper was to investigate the damage tolerance of single-stiffener panels. The impact response and the influence of impact damage on compression behavior were studied. Barely visible impact damage (BVID) was introduced to the stiffener flange tip on the smooth side. By applications of visual inspections and C-scan, massive damage was detected. After the impact experiment, compression...
For composite structure design, determining the relationships between failure time and mechanical properties in the full range of working temperatures is essential. Dynamic mechanical analysis (DMA) and tensile tests were performed to get the dynamic and static mechanical properties of resin 5228A respectively at various temperatures. The master curves of storage modulus and Young's modulus were constructed...
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