多层层层玻璃设计在强压负荷下极端的性能
Andrew Bowman1, Alaa El-Sisi2, Ahmed Elbelbisi3,4,5
1U.S. Army Engineer Research and Development Center, Vicksburg, MS, 39180, USA.
Scientific reports
|July 2, 2025
概括
这项研究以数值方式研究了层状玻璃 (LG) 的爆炸性能,发现SentryGlas® (SG) 间层比PVB,TPU和EVA提供了更好的保护. 最佳的LG面板设计涉及特定的玻璃厚度和配置,以提高防爆性能.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 结构工程 结构工程
背景情况:
- 层状玻璃 (LG) 对于安全应用至关重要,特别是对抗爆炸威胁.
- 了解LG截面对冲击性能的影响对于结构完整性至关重要.
研究的目的:
- 为了数值地研究层玻璃横截面对爆破性能的影响.
- 评估不同的间层材料和配置,以获得最佳的抗爆性能.
主要方法:
- 使用高保真性任意拉格朗日-欧勒尔 (ALE3D) 多物理模型来模拟高压负载下的LG行为.
- 经过验证的数值模型与现有文献中的实验数据对比.
- 分析了各种配置,包括带有不同聚合物中间层 (PVB,EVA,TPU,SG) 的双层和多层玻璃板.
主要成果:
- 与PVB,TPU和EVA相比,SentryGlas® (SG) 间层显示出更高的抗爆性能.
- 由于负载共享问题,EVA和TPU间层表现不佳,而混合式间层表现不佳.
- 增加层间厚度提高了阻力,并且特定的玻璃厚度组合 (厚的中间层,薄的外层) 最小化了折曲.
结论:
- 层间材料的选择和布置设计极大地影响了层状玻璃板的爆破性能.
- SG间层为防爆应用提供了显著的优势.
- 优化玻璃和间层配置对于提高LG系统的安全性和弹性至关重要.
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