Synthesis of polymer composites using cryogenic grinding and study of their mechanical characteristics and theoretcal calculations for neutron-protective parameters

IF 3.3 3区工程技术 Q1 NUCLEAR SCIENCE & TECHNOLOGY

Progress in Nuclear Energy Pub Date : 2024-09-19 DOI:10.1016/j.pnucene.2024.105449

N.I. Cherkashina , V.I. Pavlenko , A.V. Noskov , D.S. Romanyuk , V.M. Gavrish , T.V. Chayka

引用次数: 0

Abstract

The article deals with the problems of creating composite materials for neutron shielding. A method for creating a composite material is proposed and described based on polyethylene and B₄C boron carbide. For the first time, the possibility of synthesizing composites of the proposed composition using cryogenic grinding under low-temperature processing conditions was established in this article. The main physical-mechanical, thermal and neutron-protective properties of the composite material were studied depending on the content of B₄C. A composite containing 30% boron carbide synthesized using cryogenic grinding has the following mechanical characteristics: flexural strength - 5.96 MPa, flexural strain at flexural strength 8.56 %, Vickers microhardness, 7.7 ± 0.8 HV₂₀₀.

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利用低温研磨合成聚合物复合材料并研究其机械特性和中子保护参数的理论计算

文章论述了制造用于中子屏蔽的复合材料的问题。文章提出并描述了一种基于聚乙烯和 B4C 碳化硼的复合材料制造方法。本文首次提出了在低温加工条件下利用低温研磨合成所建议成分的复合材料的可能性。根据 B4C 含量的不同，研究了复合材料的主要物理机械性能、热性能和中子保护性能。利用低温研磨合成的碳化硼含量为 30% 的复合材料具有以下机械特性：抗弯强度 - 5.96 兆帕，抗弯强度下的抗弯应变为 8.56 %，维氏硬度为 7.7 ± 0.8 HV200。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Progress in Nuclear Energy 工程技术-核科学技术

CiteScore

5.30

自引率

14.80%

发文量

331

审稿时长

3.5 months

期刊介绍： Progress in Nuclear Energy is an international review journal covering all aspects of nuclear science and engineering. In keeping with the maturity of nuclear power, articles on safety, siting and environmental problems are encouraged, as are those associated with economics and fuel management. However, basic physics and engineering will remain an important aspect of the editorial policy. Articles published are either of a review nature or present new material in more depth. They are aimed at researchers and technically-oriented managers working in the nuclear energy field. Please note the following: 1) PNE seeks high quality research papers which are medium to long in length. Short research papers should be submitted to the journal Annals in Nuclear Energy. 2) PNE reserves the right to reject papers which are based solely on routine application of computer codes used to produce reactor designs or explain existing reactor phenomena. Such papers, although worthy, are best left as laboratory reports whereas Progress in Nuclear Energy seeks papers of originality, which are archival in nature, in the fields of mathematical and experimental nuclear technology, including fission, fusion (blanket physics, radiation damage), safety, materials aspects, economics, etc. 3) Review papers, which may occasionally be invited, are particularly sought by the journal in these fields.