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요약정보
聚脲涂层抗爆抗侵彻性能研究进展 / Review on Blast Mitigation and Anti-Penetration Performance of Polyurea Coating
Resource Type
Academic Journal
Authors
蔡军锋
;
李少杰
;
闫军
;
杜仕国
;
CAI Junfeng
;
LI Shaojie
;
YAN Jun
;
DU Shiguo
Source
兵器装备工程学报 / Journal of Sichuan Ordnance
. 42(8):112-118
Subject
聚脲涂层;抗爆防护;冲击波;防护机理
Language
Chinese
ISSN
2096-2304
Online Access
Find it @ DONGA
초록
聚脲作为新兴的弹性体涂层材料,近年来在抗爆防护领域的应用受到广泛关注.国内外研究表明聚脲涂层在提升基体抗爆冲击以及破片侵彻防护方面具有显著的效果.聚脲是由异氰酸酯与端氨基组分快速反应而成的一类弹性体共聚物,其中硬段微区随机分布在软段形成的连续基质中,在纳米尺度上形成相分离的微观结构,使其具有优异的力学性能.尽管对聚脲在多种防护结构的应用研究方面进行了大量探索,并取得了部分规律性的认识,但针对具体防护结构设计而言,聚脲涂层位置、厚度比例、底材处理方法等还缺乏系统性的研究.在作用机理方面,抗侵彻性能归因于在高应变加载下聚脲发生橡胶态向玻璃态转变,而衰减冲击波机理还未有确定的结论,有待进一步研究分析.主要综述了近年来聚脲涂层在复合防护结构应用中的研究现状,包括研究方法、复合防护结构设计以及防护机理分析等.分析认为,聚脲配方优化设计及改性、系统探究复合结构防护性能的影响因素、计算机模拟与实验相结合结合研究聚脲防护机理是未来的重点研究方向.
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