相关实验视频

Updated: May 4, 2026

Casting Protocols for the Production of Open Cell Aluminum Foams by the Replication Technique and the Effect on Porosity

Casting Protocols for the Production of Open Cell Aluminum Foams by the Replication Technique and the Effect on Porosity

Published on: December 11, 2014

对抗腐蚀的泡三明治面板进行实验和数值研究,该面板受到低速度冲击的影响

Jian Yuan¹, Kun Liu^2,3, Cheng-Qiang Gao¹

¹Academy of Combat Support, Rocket Force University of Engineering, Xi'an, 710025, China.

Scientific reports

|November 4, 2024

概括

不钢面板泡三明治板 (AFSPs) 显示出更好的抗冲击性能. 增加上层板厚度是最有效的,以减少板块在冲击时的变形.

科学领域:

材料科学材料科学材料科学
机械工程机械工程

背景情况:

泡三明治板 (AFSP) 为工程应用提供高抗冲击能力.
耐腐蚀性是传统AFSP的一个主要限制.

研究的目的:

为了研究新型抗腐蚀AFSP与不钢上板的冲击性能.
分析组件厚度和冲击器特征对AFSP动态响应的影响.

主要方法:

在十个AFSP上进行了落撞击测试.
激光移位计测量了底部中心移位.
用有限元建模 (FEM) 来进行参数分析.

主要成果:

组件厚度显著影响冲击力和位移.
增加上方不钢板厚在减少底部位移方面比增加泡或下方板厚更有效.
更大的冲击器直径导致更高的峰值力和减少AFSP变形.

结论:

拟议的防腐 AFSP 设计增强了抗冲击性能.
优化组件厚度,特别是上层不钢层,对于管理冲击响应至关重要.
FEM分析为AFSP在冲击负载下的行为提供了有价值的见解.

关键词:

底部变形底部变形失败机制的故障机制冲击阻力冲击阻力冲击阻力低速度撞击的影响.不钢-金泡合金钢三明治板

更多相关视频

Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System

Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System

Published on: August 7, 2018

Determining Tribocorrosion Rate and Wear-Corrosion Synergy of Bulk and Thin Film Aluminum Alloys

Determining Tribocorrosion Rate and Wear-Corrosion Synergy of Bulk and Thin Film Aluminum Alloys

Published on: September 11, 2018

相关概念视频

Impact Strength of Concrete

Impact Strength of Concrete

Impact strength in concrete is a critical measure that reflects the material's capability to endure the forces applied during pile driving and when supporting machinery foundations that experience impulsive loads. It is also essential when handling precast concrete components to prevent accidental damage. The impact strength is assessed by observing the concrete's resistance to repeated impacts and energy absorption capacity. A key indicator of significant damage to concrete is when it...