东北大学学报:自然科学版 ›› 2019, Vol. 40 ›› Issue (6): 852-856.DOI: 10.12068/j.issn.1005-3026.2019.06.017

• 机械工程 • 上一篇    下一篇

多孔结构对Vero White型光敏树脂力学性能的影响

于天彪1, 赵雨1, 毕晓夕1, 陈亚东2   

  1. (1. 东北大学 机械工程与自动化学院, 辽宁 沈阳110819; 2. 东北大学 中荷生物医学与信息工程学院, 辽宁 沈阳110169)
  • 收稿日期:2018-04-16 修回日期:2018-04-16 出版日期:2019-06-15 发布日期:2019-06-14
  • 通讯作者: 于天彪
  • 作者简介:于天彪(1968-),男,吉林榆树人,东北大学教授,博士生导师.
  • 基金资助:
    国家工信部绿色系统集成重大专项(201675514); 国家自然科学基金资助项目(51505075); 沈阳市重点实验室项目(F15153100); 沈阳市科技计划项目(18006001).

Effect of Porous Structure on Mechanical Properties of Vero White Photosensitive Resin

YU Tian-biao1, ZHAO Yu1, BI Xiao-xi1, CHEN Ya-dong2   

  1. 1. School of Mechanical Engineering & Automation, Northeastern University, Shenyang 110819, China; 2. School of Sino-Dutch Biomedical & Information Engineering, Northeastern University, Shenyang 110169, China.
  • Received:2018-04-16 Revised:2018-04-16 Online:2019-06-15 Published:2019-06-14
  • Contact: YU Tian-biao
  • About author:-
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摘要: 多孔结构设计是影响使用性能的主要因素之一,优化多孔结构是减少质量的重要途径.利用静力学仿真分析不同板材内部结构力学性能的变化规律及特点.采用以色列Objet Eden250光固化设备,对Vero White型光敏树脂进行不同结构光固化成型,利用AG-Xplus电子万能试验机测试了试样抗压性能,并与仿真结果对比.研究结果表明,多孔结构的抗压强度随着孔隙率的升高而降低,不同结构的多孔结构的抗压强度的变化范围在15~70MPa.蜂窝状结构的性能优于六面体结构,六面体结构优于八面体结构.研究结果与理论结果基本一致,为多孔结构在增材制造的成功应用提供了理论依据和实验依据.

关键词: 光固化快速成型, 增材制造, 光敏树脂, 多孔结构, 力学性能

Abstract: The design of porous structure is one of the main factors that affect performance. It is an important way to reduce the material mass by optimizing porous structure. Static mechanics simulation is used to analyze the change rules of different plate inner structures. Israel Objet Eden250 stereo lithography apparatus is used to solidify different structures of Vero White photosensitive resin, AG-Xplus electronic universal testing machine is used to test the compressive properties of samples, and the simulation results are compared as well. The results show that the compressive strength of porous structure reduces with the increase of porosity, and the value of different structures is in the range of 15~70MPa. The honeycomb structure has a better performance than the hexahedron structure, and the hexahedron structure has a better than the octahedron structure. The results are basically consistent with the theoretical results, which provide a theoretical and experimental basis for the successful application of porous structure in the additive manufacturing.

Key words: stereo lithography apparatus, additive manufacturing, photosensitive resin, porous structure, mechanical property

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