短切碳纤维增强热塑性塑料的拉伸和冲击性能

IF 1 4区工程技术 Q3 MATERIALS SCIENCE, TEXTILES

Industria Textila Pub Date : 2023-05-02 DOI:10.35530/it.074.02.202225

Fangtao Ruan, Qingyong Yang, Bobo Zhang, Xinyu Xie, Li Yang, Zhenzhen Xu

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引用次数: 0

摘要

高价值碳纤维在复合材料中的日益使用与废物产生的增加有关。针对多种再生碳纤维增强热塑性复合材料，提出了一种简单可行的短切/热压成型方法。实验研究了再生次数对碳纤维增强聚丙烯热塑性复合材料拉伸和冲击性能的影响。结果表明，与v-CFRTP相比，r1 CFRTP试样的抗拉强度降低了69.34%，拉伸模量降低了48.66%。然而，随着再生次数的增加（在3次之前），其拉伸性能有所改善。2 CFRTP和r3 CFRTP的冲击强度分别为12.65%和20.85%，而r1和r4 CFRTP分别比v-CFRTP低8.02%和7.06%。当第三次再生使回收的碳纤维/PP复合材料具有相对优异的力学性能时，短切/热压法是回收和再利用热塑性复合材料的一次有意义的尝试。

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Tensile and impact properties of chopped carbon fibre reinforced thermoplastics with multiple recycle and regenerate

The increasing use of high-value carbon fibre in composites is linked with increasing waste generation. A simple and feasible chopped/hot-press method was proposed for multiple recycled carbon fibre-reinforced thermoplastic composites. The effect of regeneration times on the tension and impact properties of carbon fibre-reinforced polypropylene thermoplastic composites was investigated experimentally. The results showed that the r1-CFRTP specimen decreased by 69.34% in tensile strength and 48.66 % in tensile modulus compared with v-CFRTP. However, its tensile properties were improved with the increase of regeneration times (before 3 times). The impact strength of r2-CFRTP and r3-CFRTP is 12.65%, 20.85% higher than v-CFRTP, while r1-CFRTP and r4-CFRTP are 8.02% and 7.06% lower than v-CFRTP. When the third regeneration makes relatively excellent mechanical properties for recycled carbon fibre/PP composite, the chopped/hot-press method is a meaningful attempt at recycling and reusing the thermoplastic composites.

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来源期刊

Industria Textila 工程技术-材料科学：纺织

CiteScore

1.80

自引率

14.30%

发文量

审稿时长

3.5 months

期刊介绍： Industria Textila journal is addressed to university and research specialists, to companies active in the textiles and clothing sector and to the related sectors users of textile products with a technical purpose.