纤维金属层合板的抗爆性能及失效机理

张磊; 马小敏; 李如江; 李鑫; 吴桂英

doi:10.11858/gywlxb.20180567

纤维金属层合板的抗爆性能及失效机理

doi: 10.11858/gywlxb.20180567

张磊^1,,
马小敏¹,
李如江²,
李鑫¹,
吴桂英^1,*, ,

1.
太原理工大学力学学院，山西太原　030024
2.
中北大学化工与环境学院，山西太原　030051

基金项目: 山西省自然科学基金（201701D221012）；国家自然科学基金（11772215）

详细信息

作者简介:
张　磊（1994－），男，硕士研究生，主要从事复合材料力学行为研究. E-mail: 1073268909@qq.com

通讯作者:
吴桂英（1962－），女，教授，博士生导师，主要从事弹塑性力学研究. E-mail: wgy2005112@163.com

中图分类号: O382.1
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出版历程
- 收稿日期: 2018-05-18
- 修回日期: 2018-08-17

Anti-explosion Performance and Failure Mechanism of Fiber-Metal Laminates

ZHANG Lei^1
,,
MA Xiaomin¹,
LI Rujiang²,
LI Xin¹,
WU Guiying^{1,*
, ,}

1.
College of Mechanics, Taiyuan University of Technology, Taiyuan 030024, China
2.
Institute of Chemical and Environmental Sciences, North Central University, Taiyuan 030051, China

摘要

摘要: 采用爆炸冲击摆锤系统，对玄武岩纤维-铝合金层合板和碳纤维-铝合金层合板进行了爆炸加载实验。实验中通过改变炸药质量获得不同的加载冲量，分析了载荷冲量、结构组合形式以及纤维类型对纤维金属层合板变形/失效模式的影响。实验中观察到分层、基质失效、金属撕裂、塑性大变形等典型的变形失效模式。实验结果表明：随着冲量的增加，纤维金属层合板中铝合金层的塑性变形以及纤维层的损伤区域不断增大；纤维金属层合板相对于单一的金属层合板具有更优异的抗冲击性能。
- 纤维金属层合板 /
- 爆炸载荷 /
- 变形/失效模式 /
- 抗爆性能
Abstract: In this work we performed blast loading tests on basalt fiber-aluminum alloy laminates and carbon fiber-aluminum alloy laminate using an explosion impact pendulum system and obtained different loading impulses by changing the quality of the explosive, thereby analyzing the influences of load impulse, structure combination and fiber type on the deformation/failure mode of fiber metal laminates and revealing the laminates’ typical failure modes such as delamination, matrix failure, metal tear and plastic deformation. The experimental results showed that the plastic deformations of the aluminum alloy layer in the fiber metal laminate and the damage area of the fiber layer increase with the increase of the impulse, and the fiber metal laminates have better impact resistance than that of the single metal laminate.
- fiber metal laminate /
- blast load /
- deformation/failure modes /
- blast resistance

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图 1 真空辅助成型工艺说明

Figure 1. Illustration of vacuum bagging process

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图 2 弹道摆锤系统

Figure 2. Four-cable ballistic pendulum system

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图 4 在13.13 N·s冲量下A/B₂/A/B₂/A 的变形/失效模式

Figure 4. Deformation/failure pattern of A/B₂/A/B₂/A under the impulse of 13.13 N·s

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图 5 不同冲量下碳纤维铝合金层合板A/C₂/A前后面板变形/失效模式

Figure 5. Deformation/failure modes of front and back faces of carbon fiber aluminum-alloy laminate A/C₂/A under different impulses

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图 6 不同冲量下A/B₂/A和A/C₂/A/C₂/A背面铝板变形剖面

Figure 6. Deformation profile of back aluminum face of A/B₂/A and A/C₂/A/C₂/A under different impulses

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图 7 纤维-铝合金层合板背面铝层变形轮廓

Figure 7. Deformation profile of aluminum layer on the back of fiber-aluminum alloy laminate

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图 3 FML典型的变形/失效模式（A/B₂/A，I=5.42 N·s）

Figure 3. Typical deformation/failure modes of FML（A/B₂/A，I=5.42 N·s）

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图 8 铝合金层合板A₃的变形/失效模式( I=5.07 N·s)

Figure 8. Deformation/failure modes of A₃ under impulse I=5.07 N·s

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图 9 单位质量FML后面板残余挠度

Figure 9. Specific deflection of FML with different impulses

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表 1 材料属性

Table 1. Mechanical property of materials

Material	Type	ρ/(g·m^–2)	σ_b/GPa	E/GPa	h/mm	σ_s/MPa	ε/%	ν
Aluminum alloy	Al-6061	810	0.124	68.9	0.30	103	12.0	0.33
Carbon fiber cloth	HexForceTM 282	197	4.654	231	0.26		1.8
Basalt fiber cloth	FGMW0002	210	4.300	100	0.15		3.1

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表 2 FML爆炸实验结果

Table 2. Experimental results of FMLs

Sample configuration	m_s/g	H/mm	m_e/g	I/(N·s)	γ/mm
A₃	218.2	0.94	5.0	5.07
A/B₂/A	223.8	0.95	5.0	5.42	36.95
A/B₂/A	203.2	0.91	3.0	4.32	29.96
A/B₂/A	214.8	0.94	1.0	1.16	5.01
A/C_2/A	220.2	1.02	5.0	5.35	32.55
A/C_2/A	225.3	1.07	3.0	4.23	26.64
A/C_2/A	214.8	1.05	1.0	1.69	4.36
A/B₂/A/B₂/A	424.6	1.71	9.0	13.13	28.41
A/B₂/A/B₂/A	398.5	1.67	7.0	8.39	17.57
A/B₂/A/B₂/A	406.2	1.67	5.0	5.31	8.21
A/C₂/A/C₂/A	349.4	1.86	9.0	12.96	24.88
A/C₂/A/C₂/A	348.5	1.85	7.0	8.32	21.35
A/C₂/A/C₂/A	348.6	1.84	5.0	5.06	6.24

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