Cosmic radiation shielding property of boron reinforced continuous fiber nanocomposites produced by electrospinning

IF 4.703 3区材料科学

Nanoscale Research Letters Pub Date : 2023-12-11 DOI:10.1186/s11671-023-03940-3

Mücahid Özcan, Cengiz Kaya, Figen Kaya

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Abstract

Electrospinning, a cutting-edge production technique, is used to create boron-reinforced continuous fiber nanocomposites that shield space missions from cosmic radiation, a significant hazard. By incorporating boron, which is known for its exceptional neutron shielding properties, into the polymer matrix, a composite material that is flexible, lightweight, and highly resistant to radiation is produced. The results indicate that continuous fiber nanocomposites reinforced with boron, boric acid, or both have a high shielding efficiency against cosmic radiation. The adaptability and low weight of the manufactured nanocomposites make them ideal for space applications. While boric acid combines with PVA at the molecular level and alters the molecular chain structure of PVA, it is believed that elemental boron is only incorporated as particulates into the PVA polymer. It is known that both boric acid and elemental boron doped nanocomposites provide samples with a thickness of 10 microns with 13.56% neutron shielding and superior photon blocking ability.

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电纺丝法生产的硼增强连续纤维纳米复合材料的宇宙辐射屏蔽性能

电纺丝是一种先进的生产技术，用于制造硼增强连续纤维纳米复合材料，以保护太空任务免受宇宙辐射这一重大危害。通过在聚合物基体中加入硼元素（硼元素以其卓越的中子屏蔽性能而著称），生产出了一种柔韧、轻质、抗辐射能力强的复合材料。研究结果表明，用硼、硼酸或两者增强的连续纤维纳米复合材料具有很高的宇宙辐射屏蔽效率。生产出的纳米复合材料适应性强、重量轻，非常适合太空应用。虽然硼酸会在分子水平上与 PVA 结合并改变 PVA 的分子链结构，但人们认为元素硼只是以微粒的形式加入到 PVA 聚合物中。众所周知，硼酸和元素硼掺杂纳米复合材料都能提供厚度为 10 微米的样品，具有 13.56% 的中子屏蔽率和卓越的光子阻挡能力。

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来源期刊

Nanoscale Research Letters NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

15.00

自引率

0.00%

发文量

110

审稿时长

2.5 months

期刊介绍： Nanoscale Research Letters (NRL) provides an interdisciplinary forum for communication of scientific and technological advances in the creation and use of objects at the nanometer scale. NRL is the first nanotechnology journal from a major publisher to be published with Open Access.