石墨烯增强空心微点阵材料的制备与表征

doi:10.1007/s12204-021-2339-8

J Shanghai Jiaotong Univ Sci ›› 2023, Vol. 28 ›› Issue (2): 192-196.doi: 10.1007/s12204-021-2339-8

石墨烯增强空心微点阵材料的制备与表征

鲍海生，刘龙权

（上海交通大学航空航天学院飞机结构强度试验平台，上海200240)

收稿日期:2020-06-17 接受日期:2020-08-07 出版日期:2023-03-28 发布日期:2023-03-21

Fabrication and Characterization of Graphene-Enhanced Hollow Microlattice Materials

BAO Haisheng (鲍海生), LIU Longquan∗ (刘龙权)

(Laboratory of Aircraft Structure and Strength, School of Aeronautics and Astronautics, Shanghai Jiao Tong University, Shanghai 200240, China)

Received:2020-06-17 Accepted:2020-08-07 Online:2023-03-28 Published:2023-03-21

摘要/Abstract

摘要： 提出一套石墨烯增强空心微点阵材料的制备方法和工艺技术，主要包括3D打印、纳米复合镀和聚合物蚀刻等先进制造技术。系统地表征和分析了石墨烯增强金属镀层的微观组织形貌和均匀性，并开展了准静态压缩试验，研究了石墨烯增强空心微点阵材料的力学性能。试验结果表明，归功于纳米材料物理和化学分散工艺的综合应用，成功获得了均匀的镍-磷-石墨烯（Ni-P-G）镀层，从而提高了空心微点阵材料的比模量和比强度。在此基础上，对比分析了石墨烯含量对空心微点阵材料力学性能的影响规律，得到了较优的石墨烯含量，并结合细观力学分析模型，揭示了石墨烯对空心微点阵材料弹性模量和强度的影响机理。

关键词: 空心微点阵, 石墨烯, 多孔材料, 化学镀, 力学性能

Abstract: A method was developed and proposed to fabricate graphene-enhanced hollow microlattice materials, which include the three-dimensional (3D) printing, nanocomposite electroless plating, and polymer etching technologies. The surface morphology and uniformity of as-deposited coatings were systematically characterized and analyzed. Moreover, the mechanical properties of the microlattices were investigated through quasi-static compression tests. The results demonstrated that a uniform Nickel-phossphorous-graphene (Ni-P-G) coating was obtained successfully, and the specific modulus and strength were increased by adding graphene into the microlattice materials. The optimal mass concentration of graphene nanoplatelets was obtained after comparing the specific modulus and strength of the materials with different densities of graphene, and the strength mechanism was discussed.

中图分类号:

TG 146.1

鲍海生, 刘龙权. 石墨烯增强空心微点阵材料的制备与表征[J]. J Shanghai Jiaotong Univ Sci, 2023, 28(2): 192-196.

BAO Haisheng (鲍海生), LIU Longquan∗ (刘龙权). Fabrication and Characterization of Graphene-Enhanced Hollow Microlattice Materials[J]. J Shanghai Jiaotong Univ Sci, 2023, 28(2): 192-196.

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石墨烯增强空心微点阵材料的制备与表征

Fabrication and Characterization of Graphene-Enhanced Hollow Microlattice Materials

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