Damage Behaviors of Thin and Thick Laminated Composites Under Ballistic Effect

IF 1.5 4区 材料科学 Q4 MATERIALS SCIENCE, COMPOSITES Mechanics of Composite Materials Pub Date : 2024-04-29 DOI:10.1007/s11029-024-10187-1
R. Gunes, D. S. Al-Behadili
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Abstract

The damage stages of the ballistic impact effect on both thin and thick laminated composites were investigated. Thin and thick laminated composite plates were produced with unsymmetrical cross-ply [0/90], [–45/+45], and [30/60] layups consisting of 16 and 50 unidirectional layers, respectively. Ballistic tests of the composite plates were carried out by means of a single-stage gas gun system at different velocities in the range from 447 to 861 m/s. The thin composite plates were more damaged than the thick plates at ballistic tests with the same velocity. Relatively small strains were observed at low-velocity impact while the projectile rebounded in all thick specimens. All thick plate specimens, except the plates with [–45/+45] layup, were perforated at high velocity impacts. Tests showed an increase in the shear stress between layers with increasing projectile velocity.

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薄层和厚层复合材料在弹道效应下的损伤行为
研究了弹道冲击效应对薄层和厚层压复合材料的破坏阶段。薄层和厚层复合材料板的非对称交叉层[0/90]、[-45/+45]和[30/60]层叠结构分别由 16 层和 50 层单向层组成。复合材料板的弹道试验是通过单级气枪系统在 447 至 861 米/秒的不同速度范围内进行的。在相同速度的弹道试验中,薄复合板比厚复合板受损更严重。在所有厚板试样中,当弹丸反弹时,在低速冲击下观察到的应变相对较小。除[-45/+45]层叠结构的板材外,所有厚板试样在高速撞击时都被击穿。试验表明,随着弹丸速度的增加,层间剪应力也在增加。
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来源期刊
Mechanics of Composite Materials
Mechanics of Composite Materials 工程技术-材料科学:复合
CiteScore
2.90
自引率
17.60%
发文量
73
审稿时长
12 months
期刊介绍: Mechanics of Composite Materials is a peer-reviewed international journal that encourages publication of original experimental and theoretical research on the mechanical properties of composite materials and their constituents including, but not limited to: damage, failure, fatigue, and long-term strength; methods of optimum design of materials and structures; prediction of long-term properties and aging problems; nondestructive testing; mechanical aspects of technology; mechanics of nanocomposites; mechanics of biocomposites; composites in aerospace and wind-power engineering; composites in civil engineering and infrastructure and other composites applications.
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