Protective performance of shear stiffening gel-modified foam against ballistic impact: Experimental and numerical study

doi:10.1016/j.dt.2023.10.001

CORC > 力学研究所 > 中国科学院力学研究所 > 流固耦合系统力学重点实验室(2012-)

	Protective performance of shear stiffening gel-modified foam against ballistic impact: Experimental and numerical study
	Tu H(涂欢)5; Yang HW(杨昊玮)1,5; Xu, Pengzhao 3,4; Yang, Zhe 2; Tang F(唐帆)1,5; Dong C(董承)1,5; Chen YC(陈玉超)1,5; Ren L(任磊)5; Cao WJ(曹文健)5; Huang CG(黄晨光)5
刊名	DEFENCE TECHNOLOGY
	2024-02-01
卷号	32 页码:510-520
关键词	Ballistic behavior Composite foam Shear stiffening gel Finite element analysis Protective mechanism
ISSN号	2096-3459
DOI	10.1016/j.dt.2023.10.001
通讯作者	Guo, Yacong(guoyacong@imech.ac.cn) ; Wei, Yanpeng(weiyanpeng@imech.ac.cn)
英文摘要	As one of the most widely used personal protective equipment (PPE), body armors play an important role in protecting the human body from the high-velocity impact of bullets or projectiles. The body torso and critical organs of the wear may suffer severe behind-armor blunt trauma (BABT) even though the impactor is stopped by the body armor. A type of novel composite material through incorporating shear stiffening gel (STG) into ethylene-vinyl acetate (EVA) foam is developed and used as buffer layers to reduce BABT. In this paper, the protective performance of body armors composed of fabric bulletproof layers and a buffer layer made of foam material is investigated both experimentally and numerically. The effectiveness of STG-modified EVA in damage relief is verified by ballistic tests. In parallel with the experimental study, numerical simulations are conducted by LS-DYNA (R) to investigate the dynamic response of each component and capture the key mechanical parameters, which are hardly obtained from field tests. To fully describe the material behavior under the transient impact, the selected constitutive models take the failure and strain rate effect into consideration. A good agreement between the experimental observations and numerical results is achieved to prove the validity of the modelling method. The tests and simulations show that the impact-induced deformation on the human body is significantly reduced by using STG-modified EVA as the buffering material. The improvement of protective performance is attributed to better dynamic properties and more outstanding energy absorption capability of the composite foam. (c) 2023 China Ordnance Society. Publishing services by Elsevier B.V. on behalf of KeAi Communications Co. Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/ licenses/by-nc-nd/4.0/).
分类号	二类/Q1
资助项目	Beijing Municipal Science and Technology Commission[6142606221105] ; [Z221100005822006]
WOS关键词	BODY ARMOR ; FABRIC COMPOSITES ; BEHAVIOR ; INJURIES ; MODEL
WOS研究方向	Engineering
语种	英语
WOS记录号	WOS:001189017400001
资助机构	Beijing Municipal Science and Technology Commission
其他责任者	Guo, Yacong ; Wei, Yanpeng
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/94753]
专题	力学研究所_流固耦合系统力学重点实验室(2012-)
作者单位	1.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China 2.Sci & Technol Transient Impact Lab, Beijing 102202, Peoples R China; 3.Xian Inst Electromech Informat Technol, Xian 710065, Peoples R China; 4.Northwestern Polytech Univ, Sch Mech Engn, Xian 710072, Peoples R China; 5.Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China;
推荐引用方式 GB/T 7714	Tu H,Yang HW,Xu, Pengzhao,et al. Protective performance of shear stiffening gel-modified foam against ballistic impact: Experimental and numerical study[J]. DEFENCE TECHNOLOGY,2024,32:510-520.
APA	涂欢.,杨昊玮.,Xu, Pengzhao.,Yang, Zhe.,唐帆.,...&魏延鹏.(2024).Protective performance of shear stiffening gel-modified foam against ballistic impact: Experimental and numerical study.DEFENCE TECHNOLOGY,32,510-520.
MLA	涂欢,et al."Protective performance of shear stiffening gel-modified foam against ballistic impact: Experimental and numerical study".DEFENCE TECHNOLOGY 32(2024):510-520.