OoA成型T800/607复合材料制备及性能
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Preparation and Properties of an Out-of-Autoclave T800/607 C/E Composite
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    摘要:

    采用非等温DSC对非热压罐(OoA)成型环氧树脂基体607进行了固化动力学研究,确定了树脂的固化动力学方程。制备了T800/607热熔预浸料和复合材料单向板,并比较了热压罐和OoA成型工艺下T800/607复合材料的性能。结果表明:该类预浸料室温储存期大于30 d,OoA成型质量优异,复合材料孔隙率远低于1%。OoA成型复合材料的弯曲强度为1 480 MPa,层剪强度为96.7 MPa,与在热压罐条件下固化的复合材料性能相当。

    Abstract:

    The cure kinetics of the epoxy resin 607 for an out-of-autoclave(OoA) composite was investigated by differential scanning calorimetry(DSC),and the cure kinetic formula of the resin was established. The prepreg with dry fiber regions remaining and the OoA composites were prepared. The quality and properties of the T800/607 composite were studied. The results indicated that the T800/607 prepreg owed a tack life at room temperature over 30 days and the void content of the OoA composite is far below 1%. The short beam shear strength and flexural strength of the OoA composite are 96.7 and 1480 MPa,respectively, which can be compared with the autoclave cured ones.

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周宇,樊孟金,尚呈元,凌辉,孙宏杰. OoA成型T800/607复合材料制备及性能[J].宇航材料工艺,2017,47(3):57-60.

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  • 收稿日期:2016-09-09
  • 最后修改日期:2017-02-08
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  • 在线发布日期: 2017-06-06