超高分子量聚乙烯平纹织物布的弹道冲击响应与破坏特征

doi:10.7527/S1000-6893.2026.432315

Abstract

Abstract:

Aircraft components in real combat environments are frequently exposed to threats from high-speed penetrating projectiles such as explosive fragments and bullets. Enhancing their anti-penetration capability is critical to ensuring the safe operation of aircraft. Ultra-High Molecular Weight Polyethylene （UHMWPE） fabric， renowned for its lightweight nature and exceptional strength， has been widely adopted in ballistic protection applications. This study focuses on UHMWPE plain weave fabrics， employing ballistic impact experiments and meso-scale numerical simulations to systematically investigate the effects of projectile geometry， impact velocity， and penetration angle on its ballistic resistance and damage mechanisms. The results reveal that UHMWPE plain weave fabrics subjected to ballistic impact primarily exhibit a cross-shaped deformation zone accompanied by a distinct pyramidal back protrusion. Compared to spherical projectiles， flat-nosed projectiles demonstrate lower penetration capability and a higher ballistic limit velocity. This is attributed to the larger contact area between flat-nosed projectiles and the fabric， which induces broader deformation zones and shear plugging-dominated failure. In contrast， spherical projectiles tend to cause yarn slippage and pull-out within the fabric. Additionally， the penetration angle of flat-nosed projectiles significantly influences the fabric’s energy absorption capacity. As the impact angle increases， the fabric’s anti-penetration performance deteriorates. This research provides critical insights into the ballistic failure mechanisms of UHMWPE plain weave fabric and offers a foundation for optimizing the design of high-performance fiber-based protective materials.

Key words: high-speed impact, UHMWPE plain weave fabric, damage characteristics, ballistic test, impact response

CLC Number:

V214.8

Hong ZHEN, Xiao XU, Xulong XI, Weidong SONG, Lijun XIAO. Ballistic impact response and damage characteristics of ultra-high molecular weight polyethylene plain weave fabrics[J]. Acta Aeronautica et Astronautica Sinica, 2026, 47(6): 432315.

Figures/Tables 16

Fig.1

Fig.2

Fig.3

Table 1

Material parameters of fabrics［6，22］

参数	数值
密度ρ/（g∙cm^-3）	0.97
1方向弹性模量E₁₁/GPa	152.88
2方向弹性模量E₂₂/GPa	1.528 8
3方向弹性模量E₃₃/GPa	1.528 8
泊松比 $ν 12$	0.3
泊松比 $ν 13$	0.3
泊松比 $ν 23$	0.4
1-2方向剪切模量G₁₂/MPa	300
1-3方向剪切模量G₁₃/MPa	300
2-3方向剪切模量G₂₃/MPa	150
失效应力X_T/GPa	3.16

Table 1

Table 2

Fig.4

Fig.5

Fig.6

Fig.7

Fig.8

Fig.9

Fig.10

Fig.11

Table 3

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Fig.13

References 23

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编号	冲击动能/J	初始速度/（m∙s^-1）	剩余速度/（m∙s^-1）	倾斜角度/（°）	动能减少量/J
PW1-1	6.12	201.92	131.58	18	3.52
PW1-2	7.18	218.75	147.06	32	3.93
PW1-3	7.82	228.26	180.00	6	2.96
PW5-1	24.46	403.84	0（未穿透）	0	24.26
PW5-2	28.71	437.50	0（未穿透）	0	28.71
PW5-3	31.26	456.52	89.00	0	30.07
PW5-4	31.56	458.67	104.17	0	29.93
QW1-1	5.29	194.44	165.00	0	1.48
QW1-2	5.88	205.00	180.00	0	1.35
QW1-3	6.17	210.00	187.00	0	1.28

弹丸形状	偏转角/（°）	弹道极限速度/（m∙s^-1）
球形	0	78.6
平头	0	146.3
	10	132.8
	20	110.0
	30	100.1

Ballistic impact response and damage characteristics of ultra-high molecular weight polyethylene plain weave fabrics

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