Multifunctional Polymer-Metal Lattice Composites via Hybrid Additive Manufacturing Technology.
Multifunctional Polymer-Metal Lattice Composites via Hybrid Additive Manufacturing Technology.
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DOI：
10.3390/mi14122191
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发表时间：
2023-11-30
期刊：
影响因子：
3.4
通讯作者：
Li, Ji
中科院分区：
文献类型：
--
作者：
He, Liu;Wang, Peiren;Wang, Lizhe;Chen, Min;Liu, Haiyun;Li, Ji
随着人们对网格结构快速发展的兴趣越来越大，混合增材制造（HAM）技术已成为传统解决方案（如水射流切割和熔模铸造）的有力替代方案。在此，HAM技术相结合的瓮光聚合（VPP）和无电/电镀工艺开发的多功能聚合物-金属晶格复合材料的制造。VPP 3D打印工艺用于提供复杂的晶格框架，然后，采用化学镀存款一层镍-磷（Ni-P）导电种子层的薄层。随着后续电镀工艺的进行，铜层厚度在1 h内可达到40 μm左右，电阻率在1000左右，与纯铜相当接近（）。厚金属壳可以大大提高网格结构的机械性能，包括结构强度、延展性和刚度，同时为电气应用提供电流供应能力。利用该技术，开发了无人机（UAV）的框架臂，以展示这种HAM技术在制造多功能聚合物-金属网格复合材料方面的应用潜力。
With increasing interest in the rapid development of lattice structures, hybrid additive manufacturing (HAM) technology has become a competent alternative to traditional solutions such as water jet cutting and investment casting. Herein, a HAM technology that combines vat photopolymerization (VPP) and electroless/electroplating processes is developed for the fabrication of multifunctional polymer-metal lattice composites. A VPP 3D printing process is used to deliver complex lattice frameworks, and afterward, electroless plating is employed to deposit a thin layer of nickel-phosphorus (Ni-P) conductive seed layer. With the subsequent electroplating process, the thickness of the copper layer can reach 40 μm within 1 h and the resistivity is around , which is quite close to pure copper (). The thick metal shell can largely enhance the mechanical performance of lattice structures, including structural strength, ductility, and stiffness, and meanwhile provide current supply capability for electrical applications. With this technology, the frame arms of unmanned aerial vehicles (UAV) are developed to demonstrate the application potential of this HAM technology for fabricating multifunctional polymer-metal lattice composites.
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影响因子：
4.2
作者：
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发表时间：
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影响因子：
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