Study on quasi-static penetration mechanical behavior of fiber-metal laminates
Journal of Mechanical StrengthVol. 48, Issue 7, Pages: 120-126(2026)
作者机构:
1.广东工业大学 材料与能源学院,广州 510006
2.化学与精细化工广东省实验室揭阳分中心,揭阳 522000
作者简介:
WU Fei, E-mail: julie.wu@gdut.edu.cn
基金信息:
National Natural Science Foundation of China(52175294;51705085);Innovation Research Project of Education Bureau of Foshan City(2023XJZZ02);Jieyang Branch Laboratory of Chemistry and Fine Chemicals of Guangdong Province(RJDT240027)
Hong Yihao,Wen Yuxi,Zhao Shunqiu,et al. Study on quasi-static penetration mechanical behavior of fiber-metal laminates[J]. Journal of Mechanical Strength,2026,48(7):120-126.
Hong Yihao,Wen Yuxi,Zhao Shunqiu,et al. Study on quasi-static penetration mechanical behavior of fiber-metal laminates[J]. Journal of Mechanical Strength,2026,48(7):120-126.DOI: 10.16579/j.issn.1001.9669.2026.07.014.
Study on quasi-static penetration mechanical behavior of fiber-metal laminates
To address the challenge of single materials struggling to simultaneously satisfy anti-penetration performance and lightweight design requirements
the quasi-static penetration mechanical behavior and energy absorption characteristics of fiber-metal laminates with crochet core structures were investigated.
Methods
2
Firstly
laminate samples featuring different fiber crochet core layers were fabricated using short-needle crocheting and bonding methods
followed by quasi-static penetration tests on an electronic universal testing machine. Then
equivalent idealized numerical models were established using SolidWorks and imported into Abaqus finite element analysis software for simulations
with evaluation metrics introduced to process the test and numerical data.
Results
2
The numerical simulation results exhibit excellent agreement with the test curves. Single-layer cores exert a negligible effect on the peak load of the laminates
whereas double-layer or hybrid crochet structures display a pronounced buffering effect. Compared with the reference un-cored plates (40.08 kN)
the peak loads of PSP and PKP laminates increase by 0.52 kN and 0.54 kN
while those of PSSP
PKKP
PSKP
and PMP laminates decrease by 13.17
0.87
10.48
and 8.12 kN
respectively. Due to reduced stiffness and expanded deformation
their energy absorption capacities significantly increase by 95.12%
80.93%
95.59%
153.2%
65.95%
and 30.70%
respectively
with the double-layer stainless steel crochet laminate (PSSP) demonstrating the optimal energy dissipation capability.
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