拓扑工程化3D打印架构互锁花瓣-施瓦茨体
Topological engineered 3D printing of Architecturally Interlocked Petal-Schwarzites
AI总结：
本文提出架构互锁花瓣-施瓦茨体（AIPS），通过3D打印六种多层互锁施瓦茨体结构并结合单轴压缩实验与全原子分子动力学模拟，揭示了层数与拓扑对高比强度和能量吸收的调控机制。
摘要：
拓扑工程化的复杂施瓦茨体（Schwarzites）架构已被用于构建具有高比强度的新型独特结构部件。这些构建块的力学性能可以通过更强且高表面积的架构进行进一步增强和调控。在当前工作中，我们构建了六种具有多层互锁结构的不同施瓦茨体结构，并将其命名为架构互锁花瓣-施瓦茨体（AIPS）。这些复杂结构被3D打印成宏观尺寸，并采用单轴压缩进行测试。实验结果表明，力学响应强烈依赖于层数以及层的拓扑结构。我们还进行了全原子分子动力学压缩模拟，其结果与实验观察高度吻合。这些模拟能够解释AIPS实现高比强度和能量吸收的底层机制。所提出的方法为开发具有可调且增强力学性能的新型3D打印材料开辟了新的视角。
英文摘要：
The topologically engineered complex Schwarzites architecture has been used to build novel and unique structural components with a high specific strength. The mechanical properties of these building blocks can be further tuned, reinforcing with stronger and high surface area architecture. In the current work, we have built six different Schwarzites structures with multiple interlocked layers, which we named architecturally interlocked petal-schwarzites (AIPS). These complex structures are 3D printed into macroscopic dimensions and compressed using uniaxial compression. The experimental results show a strong dependency of mechanical response on the number of layers and topology of the layers. Fully atomistic molecular dynamics compressive simulations were also carried out, and the results are in good agreement with experimental observations. They can explain the underlying AIPS mechanism of high specific strength and energy absorption. The proposed approach opens a new perspective on developing new 3D-printed materials with tunable and enhanced mechanical properties.
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