Energy-absorbing performance of graded Voronoi foams

被引：16
作者：
Lin, Hui [1 ]
Lv, Lin [1 ]
Zhang, Jianjun [2 ,3 ]
Wang, Zhihua [3 ]
机构：
[1] Zhejiang Ind Polytech Coll, Coll Transportat, Shaoxing, Peoples R China
[2] Swinburne Univ Technol, Fac Sci Engn & Technol, Hawthorn, Vic 3122, Australia
[3] Taiyuan Univ Technol, Inst Appl Mech & Biomed Engn, Taiyuan 030002, Shanxi, Peoples R China
来源：
JOURNAL OF CELLULAR PLASTICS | 2019年 / 55卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Voronoi; graded profiles; constant and initial velocity impact; gradient convergence; numerical simulations; DYNAMIC CRUSHING BEHAVIOR; CELLULAR STRUCTURES; COMPRESSIVE STRAIN; ELASTIC PROPERTIES; IMPACT RESISTANCE; SANDWICH; ABSORPTION; HONEYCOMBS; GRADIENT; DESIGN;
D O I：
10.1177/0021955X19853422
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Cellular foams are usually used as energy absorbers in engineering such as cushioning to alleviate the impact energy. To explore their energy absorption property, Voronoi foams with different density gradients were established. Numerical simulations were conducted by using Ls-dyna 971. Two loading conditions were considered: the constant velocity impact and the densification velocity impact. The results indicate that the energy absorption is closely related to loading conditions and profiles of density gradients. Therefore, it is of great importance to select suitable graded foams accordingly. This study paves the way for engineering applications of graded cellular materials as protective devices.
引用
收藏
页码：589 / 613
页数：25
相关论文
共 44 条
[1]   Mechanical properties of functionally graded 2-D cellular structures: A finite element simulation [J].
Ajdari, A. ;
Canavan, P. ;
Nayeb-Hashemi, H. ;
Warner, G. .
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2009, 499 (1-2) :434-439
[2]   Dynamic crushing and energy absorption of regular, irregular and functionally graded cellular structures [J].
Ajdari, Amin ;
Nayeb-Hashemi, Hamid ;
Vaziri, Ashkan .
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, 2011, 48 (3-4) :506-516
[3]   On the influence of the property gradient on the impact behavior of graded multilayer sandwich with corrugated cores [J].
Cao, B. T. ;
Hou, B. ;
Zhao, H. ;
Li, Y. L. ;
Liu, J. G. .
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING, 2018, 113 :98-105
[4]   Optimal design of sandwich panels with layered-gradient aluminum foam cores under air-blast loading [J].
Chen, De ;
Jing, Lin ;
Yang, Fei .
COMPOSITES PART B-ENGINEERING, 2019, 166 :169-186
[5]   Mitigating performance of elastic graded polymer foam coating subjected to underwater shock [J].
Chen, Yong ;
Chen, Feng ;
Du, Zhi-peng ;
Wang, Yu ;
Hua, Hong-xing .
COMPOSITES PART B-ENGINEERING, 2015, 69 :484-495
[6]   Designing the energy absorption capacity of functionally graded foam materials [J].
Cui, Liang ;
Kiernan, Stephen ;
Gilchrist, Michael D. .
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2009, 507 (1-2) :215-225
[7]   Dynamic crushing behavior of random and functionally graded metal hollow sphere foams [J].
Fan, Jianhui ;
Zhang, Jianjun ;
Wang, Zhihua ;
Li, Zhiqiang ;
Zhao, Longmao .
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2013, 561 :352-361
[8]   Design of transversely-graded foam and wall thickness structures for crashworthiness criteria [J].
Fang, Jianguang ;
Gao, Yunkai ;
An, Xiuzhe ;
Sun, Guangyong ;
Chen, Junning ;
Li, Qing .
COMPOSITES PART B-ENGINEERING, 2016, 92 :338-349
[9]   The correct analysis of shocks in a cellular material [J].
Harrigan, J. J. ;
Reid, S. R. ;
Yaghoubi, A. Seyed .
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING, 2010, 37 (08) :918-927
[10]   Mechanical response and dynamic deformation mechanisms of closed-cell aluminium alloy foams under dynamic loading [J].
Islam, M. A. ;
Brown, A. D. ;
Hazell, P. J. ;
Kader, M. A. ;
Escobedo, J. P. ;
Saadatfar, M. ;
Xu, S. ;
Ruan, D. ;
Turner, M. .
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING, 2018, 114 :111-122
12345