关于量化结构金属/聚合物TPMS/基于格子的互穿相复合材料的动态行为
K B Shingare1, Andreas Schiffer2, Kin Liao3
1Department of Aerospace Engineering, Khalifa University of Science and Technology, 127788, Abu Dhabi, UAE.
Scientific reports
|February 5, 2025
概括
这项研究数值分析了结构化的金属/聚合物互穿相复合材料 (IPC),发现TPMS架构的体积分数增加增强了机械性能和自然频率.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 计算力学 计算力学 计算力学
背景情况:
- 建筑材料提供可调节的特性.
- 互穿相复合材料 (IPC) 结合了不同的材料相,以提高性能.
- 三重周期性最小表面 (TPMS) 和格子结构提供了独特的建筑可能性.
研究的目的:
- 为了数值分析结构金属/聚合物IPCs.
- 研究这些复合材料的有效机械性能和动态行为.
- 为了比较不同的TPMS和格子架构.
主要方法:
- 使用了有限元 (FE) 模拟.
- 考虑了四种TPMS/格子架构 (陀螺,原始,立方,八度).
- 应用周期性边界条件来计算动态分析的有效性质.
主要成果:
- IPC 的有效性质随体积分数的增加而增加.
- 自然频率得到增强,变形减少较高的体积分数.
- 对比分析显示,相对于传统复合材料,复合材料具有优势.
结论:
- 与传统材料相比,建筑金属/聚合物IPC具有优越的机械和动态性能.
- 选择TPMS/格子架构显著影响复合性能.
- FE模拟是设计先进复合结构的可行工具.
更多相关视频
11:38Environmentally-controlled Microtensile Testing of Mechanically-adaptive Polymer Nanocomposites for ex vivo Characterization
Published on: August 20, 2013
10.1K
09:41Magnet Assisted Composite Manufacturing: A Flexible New Technique for Achieving High Consolidation Pressure in Vacuum Bag/Lay-Up Processes
Published on: May 17, 2018
13.4K
相关概念视频
Bending of Members Made of Several Materials
138
In analyzing a structural member composed of two different materials with identical cross-sectional areas, it is crucial to understand how their distinct elastic properties affect the member's response under load. The analysis involves assessing stress and strain distributions using the transformed section concept, which accounts for variations in material properties.
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each...
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each...
138
Members Made of Elastoplastic Material
93
The behavior of elastoplastic materials under bending stresses, particularly in structural members with rectangular cross-sections, is crucial for predicting material responses and understanding failure modes. Initially, when a bending moment is applied, the stress distribution across the section follows Hooke's Law and is linear and elastic. This distribution means the stress increases from the neutral axis to the maximum at the outer fibers, up to the elastic limit.
As the bending moment...
As the bending moment...
93
