Mechanical properties of boron nitride nanotube reinforced PEEK composite: a molecular dynamics study

IF 4.2 3区 材料科学 Q2 MATERIALS SCIENCE, COMPOSITES Nanocomposites Pub Date : 2023-10-27 DOI:10.1080/20550324.2023.2268312
Zheng Li, Tong Li, Zhuoyu Song, Ke Zhang, Bo Wang
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Abstract

Poly (ether-ether-ketone) (PEEK) is one of the most promising engineering plastics in aerospace engineering because of their reliable mechanical properties under various conditions. However, next-generation engineering plastics also call for more comprehensive outputs, such as higher thermal conductivity and antiwear performances. Boron Nitride Nanotubes (BNNT) have been proven to have outstanding physical properties as additives to the resin of the composites. In this article, the influence of BNNT additives on the PEEK resin is studied to provide a more insightful understanding of the development of BNNT-reinforced engineering plastics in the future. It has been found that the interfacial shear strength (IFSS) between BNNT and PEEK is 151% higher than carbon nanotube reinforcements., and amino groups (–NH2) modified BNNT can further improve the IFSS value by 14%. This mechanical improvement is further evaluated, and the molecular mechanisms are explained with an atomistic resolution.
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氮化硼纳米管增强PEEK复合材料力学性能的分子动力学研究
聚醚醚酮(PEEK)因其在各种条件下可靠的力学性能而成为航空航天工程中最有前途的工程塑料之一。然而,下一代工程塑料也需要更全面的输出,如更高的导热性和抗磨性能。氮化硼纳米管(BNNT)作为复合材料树脂的添加剂,具有优异的物理性能。本文研究了BNNT添加剂对PEEK树脂性能的影响,为今后BNNT增强工程塑料的发展提供更深刻的认识。研究发现,与碳纳米管增强材料相比,BNNT与PEEK的界面抗剪强度提高了151%。,氨基(-NH2)修饰的BNNT可进一步提高IFSS值14%。进一步评价了这种机械改进,并用原子分辨率解释了分子机制。
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来源期刊
Nanocomposites
Nanocomposites Multiple-
CiteScore
7.40
自引率
15.20%
发文量
18
审稿时长
16 weeks
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