Stereolithography 3D Printer for Micromodel Fabrications with Comprehensive Accuracy Evaluation by Using Microtomography
Stereolithography 3D Printer for Micromodel Fabrications with Comprehensive Accuracy Evaluation by Using Microtomography
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DOI：
10.3390/geosciences12050183
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发表时间：
2022-05-01
期刊：
影响因子：
2.7
通讯作者：
Suekane, Tetsuya
中科院分区：
文献类型：
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作者：
Patmonoaji, Anindityo;Mahardika, Mohammmad Azis;Suekane, Tetsuya
微观模型是研究水文地质中各种孔隙尺度现象的重要手段。然而，定制微模型的制造涉及复杂的步骤和成本高昂的设备。使用3D打印机直接制造微型模型可以加快制造步骤并降低成本。立体光刻（SLA）3D打印机是最好的选择之一，因为它具有足够的打印性能用于微模型制造，并且相对便宜。然而，它并非没有缺点。在本报告中，我们探讨了SLA 3D打印机用于微模型制造的能力。影响印刷结果的各种参数，如几何形状，尺寸，印刷轴配置，印刷厚度分辨率和图案厚度的影响进行了研究，首次使用显微层析成像。最后，还讨论了最佳打印配置。最后，一个完整的微型模型被打印，组装，并用于流体驱替实验。作为示范，粘性和毛细指法成功地进行了使用这种微模型设计。
Micromodels are important for studying various pore-scale phenomena in hydrogeology. However, the fabrication of a custom micromodel involves complicated steps with cost-prohibitive equipment. The direct fabrication of micromodels with a 3D printer can accelerate the fabrication steps and reduce the cost. A stereolithography (SLA) 3D printer is one of the best options because it has sufficient printing performance for micromodel fabrication and is relatively inexpensive. However, it is not without drawbacks. In this report, we explored the capability of an SLA 3D printer for micromodel fabrication. Various parameters affecting the printing results, such as the effects of geometries, dimensions, printing axis configurations, printing thickness resolutions, and pattern thicknesses were investigated using microtomography for the first time. Eventually, the most optimal printing configuration was then also discussed. In the end, a complete micromodel was printed, assembled, and used for fluid displacement experiments. As a demonstration, viscous and capillary fingerings were successfully performed using this micromodel design.