树脂含量对F-8H3/602 芳纶复合材料性能的影响

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树脂含量对F-8H3/602 芳纶复合材料性能的影响
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作者单位:航天材料及工艺研究所
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中图分类号:V258
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Effect of Resin Content on Performances of Aramid Fiber Reinforced Composites

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摘要:

探索研究了F-8H3/602 芳纶织物增强树脂基复合材料层合板不同树脂含量对其冲击韧性、层间

剪切强度及弯曲性能的影响,并采用显微镜及扫描电镜对破坏试样形貌进行观察。结果表明芳纶复合材料的

树脂含量对其冲击韧性、层间剪切强度及弯曲性能影响较为明显,树脂含量为46. 02wt% 的芳纶复合材料层合

板的0毅冲击韧性为22 J/ cm2、0毅层间剪切强度为49. 1 MPa、0毅弯曲强度为506 MPa;在一定的树脂含量下,芳纶

复合材料的0毅冲击韧性、层间剪切强度及弯曲性能较90毅的性能更优异;破坏试样的形貌表明纤维与树脂界面

结合较为薄弱。

Abstract:

The F-8H3/602 aramid fiber reinforced composites laminates with different content of epoxy resin

were prepared. The effect of resin content on impact toughness, interlaminar shear strength and flexural properties

were studied. The morphologies of damaged samples were observed by microscope and scanning electronic microscopy

(SEM). The results indicated that impact toughness, interlaminar shear strength and flexural properties were close re鄄

lated to the resin content of aramid fiber reinforced composites. For F-8H3/602 aramid fiber reinforced composites

with 46. 02wt% resin content, the impact toughness, interlaminar shear strength and flexural strength were 22 J/ cm2,

49. 1 MPa and 506 MPa respectively. At certain weight content of resin, the mechanical properties of aramid fiber re鄄

inforced composites in 0毅direction were much better than in 90毅direction. The interface between fiber and matrix of F

-8H3/602 composites was weak according to SEM images of samples.

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易凯.树脂含量对F-8H3/602 芳纶复合材料性能的影响[J].宇航材料工艺,2015,45(2).

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在线发布日期: 2016-11-28
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