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Structure for transporter using glass fiber reinforced resin foam having high performance fatigue resistance and high thermal insulation properties, and method for producing the same
Structure for transporter using glass fiber reinforced resin foam having high performance fatigue resistance and high thermal insulation properties, and method for producing the same
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机译:使用具有高性能抗疲劳性和高隔热性的玻璃纤维增强树脂泡沫的运输车结构及其制造方法
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摘要
A vehicle sandwich structure according to the present invention is characterized as follows: being composed of a foamed resin article in sheet form forming the core, a fiber-reinforced composite layer forming a surface material that is located on one or both sides of the foamed resin article in thickness direction; forming a binding layer of core and surface materials between the foamed resin article and the fiber-reinforced composite layer; a large number of glass fibers being inserted within said foamed resin article; more than 70% of total glass fibers being the glass fibers which form an angle between the longitudinal direction of each glass fiber and said foamed resin article, the angle of which satisfying a range from 45° to 90°; more than 70% of total glass fibers being a glass fiber that satisfies a range of smaller than or equal to 90 degrees; the exposed glass fiber being impregnated and bound to the binding layer and the fiber-reinforced composite layer, wherein one or both ends of the glass fiber are exposed on the entire foamed resin article. Also, it is characterized by the height of the glass fiber which is exposed above the foamed resin article being 0.5 ˆ¼ 10 mm. Also, a vehicle sandwich structure according to the present invention has the effect that the cohesion between a foamed resin article of core part and a fiber-reinforced composite material of surface part is reinforced, and flexural fatigue resistance is improved. Also, a glass fiber inserted into a foamed resin article is arranged in thickness direction, so that the flexural maximum load is large, and there is the effect that there is small deflection quantity when loaded.
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