树脂含量对装甲车体内饰用轻质复合材料弯曲性能的影响
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江南大学纺织服装学院

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TB33

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Impact of Resin Content on Bending Property ofLightweight Composites for Armed Car Interior
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    摘要:

    以2 400 tex 的玻璃纤维为原料,在SGA598 型三维织机上,采用三维浅交弯联结构制备了一种装
    甲车体内饰用轻质复合材料预制件。将环氧树脂E51 和固化剂聚醚胺WHR-H023 以质量比3 颐1 的比例组成
    树脂体系,并将复合材料预制件与配制好的树脂体系以质量比为2 颐1、3 颐2、1 颐1、2 颐3、1 颐2 的比例进行手糊复合
    成型,制成装甲车体内饰用轻质复合材料。借助Instron 3385H 型万能材料试验机对材料的弯曲能进行测试,
    研究树脂含量对复合材料弯曲性能的影响;并通过扫描电子显微镜(SEM) 观察材料的断裂界面,研究材料的
    弯曲破坏机理。结果表明,三维浅交弯联复合材料具有优异的力学性能,织物与树脂的质量比为1 颐1 时材料的
    弯曲强度与模量均达到最大值;材料的破坏模式主要为脆性破坏,具体表现为树脂基体的碎裂以及纤维的抽拔
    及断裂。

    Abstract:

    A 3D six鄄layer curved shallow鄄crossing linking lightweight fabric used for armed car interior was pre鄄
    pared using glass fiber with the linear density of 2 400 tex as raw material on a 3D loom modeled SGA598. The curved
    shallow鄄crossing linking composite applying in armored car interior was successfully prepared by hand composite mod鄄
    eling. The curved shallow鄄crossing linking and resin system was composed of epoxy resin and polyether amine in a
    mass ratio of 3 颐1,in the mass ratio of 2 颐1,3 颐2,1 颐1,2 颐3 and 1 颐2. Universal material testing machine modeled Instron
    3385H was employed to characterize the bending property of the composite and the effect of resin content to the ben鄄
    ding property of the composites was studied. Scanning electron microscope was employed to observe the fracture inter鄄
    faces of the composite and for further study on bending failure mechanism of the composite. the composite possesses
    excellent mechanical. Both of the bending strength and the bending modulus reach the maximum when the mass ratio
    of fabrics and resin is 1 颐1. The fragmentation of resin matrix and the extraction and breakage of fiber is the main fail鄄
    ure mode of the composite.

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冯古雨.树脂含量对装甲车体内饰用轻质复合材料弯曲性能的影响[J].宇航材料工艺,2015,45(5).

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  • 在线发布日期: 2016-11-28
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