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首页> 美国政府科技报告 >Reinforced Plastics Laminates Panels. Physical Tests and Surface Examination of Panels Removed After Five Years of Exposure.
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Reinforced Plastics Laminates Panels. Physical Tests and Surface Examination of Panels Removed After Five Years of Exposure.

机译：增强塑料层压板。经过五年的暴露后，面板的物理测试和表面检查被删除。

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Sets of coated and uncoated glass-reinforced epoxy and thermosetting polyester laminate panels have been exposed to the atmosphere at Port Hueneme and China Lake,California,and at Kwajalein,Marshall Islands. A fourth set was maintained at CEL as a control. Results of physical tests performed on the panels exposed at the three field locations for all periods up to five years,and the results from the same tests on the control panels are reported. Comparisons of the mean and standard deviations of the tensile strength,compressive strength,flexural strength,and flexural modulus of elasticity are presented. Also,panels exposed at the three sites for five years together with the control panels stored for that length of time were examined visually;their surface condition is reported. Weather data from the test sites for the entire test period are presented. (Modified author abstract)

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