3D打印的三次周期性高压表面的多机械调节,通过基于里埃合成的自由建模
Yanhong Zhang1, Junming Zhang2, Zhimei Zhou1
1School of Chemical Science and Engineering, Tongji University, Shanghai, 200092, China.
概括
一种新的层次设计方法扩大了三倍周期性过波面 (TPHSs) 的结构多样性和机械可调性. 这种方法可以实现先进的增材制造,用于增强轻量级和强大的TPHS应用.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 添加剂制造 添加剂制造 添加剂制造
背景情况:
- 与其他格子结构相比,三重周期性超标表面 (TPHS) 提供了优越的轻量级和机械性能.
- 目前TPHS的设计方法有限,限制了结构多样性并阻碍了工程应用.
研究的目的:
- 为TPHS引入一种新的层次设计方法,其灵感来源于晶体里埃合成.
- 克服当前设计策略的局限性,扩大TPHS的结构多样性和可调性.
主要方法:
- 开发了一种基于晶体里埃合成的层次设计方法.
- 利用增材制造来制造各种TPHS结构,包括原始,陀螺和类似钻石的表面.
- 通过精确操纵细结构特征来优化3D应力场.
主要成果:
- 能够构建任意复杂的TPHS结构,具有可调整的机械性能.
- 成功添加制造了各种TPHS类型及其变体.
- 通过优化应力场操纵,显著提高了刚性和强度.
- 促进了不平衡TPHS的设计,用于新型组装方法,如形形连接.
结论:
- 提出的层次设计方法大大扩大了基于TPHS的结构的设计空间.
- 这种方法为在工程环境中广泛应用先进TPHS铺平了道路.
- 该方法允许精确控制结构特征和机械性能.
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