用于3D打印的聚乳酸选择性能的研究

Q3 Engineering
K. Sośniak, D. Biela, D. Szalaty, M. Ścieszka, M. Polok-Rubiniec, A. Włodarczyk-Fligier, A. Kania
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引用次数: 0

摘要

本研究的重点是确定使用FDM 3D打印技术制作的矫形器的最佳结构。为了制作样品,我们选择了一种满足生物可降解性、生物相容性和无毒性条件的热塑性PLA材料。生产的样品进行了拉伸强度和耐腐蚀性测试。利用先进的工程软件CAE - Inventor进行了基于有限元分析的研究。在CAD系统中设计样品,使用Prusa i3 MK3S+打印机专用的PrusaSlicer 2.5.0程序生成G-Code路径,并使用该程序创建模型。采用蔡司SUPRA 35扫描电镜(SEM)观察聚乳酸的表面形貌。根据PN-EN ISO 527:1标准,在Zwick/Roell z100设备上进行静态拉伸试验。电化学腐蚀试验采用Autolab PGSTAT302N Multi BA恒电位器,在37℃的林格溶液中进行。该研究允许使用3D FDM打印技术制作PLA聚合物材料的矫形器的适当结构。静态拉伸试验、扫描电镜和腐蚀试验证实了这种材料在选定用途上的正确应用。可以确定具有10 mm孔的样品具有最高的强度性能。拉伸试验结果表明,试样的平均抗拉强度在61 MPa左右。采用Tafel分析法测定了PLA的腐蚀参数。工作中提出的研究方法可用于其他生物医用材料的研究。所提出的结果可以作为进一步试验的基础,以寻找最佳的骨科稳定剂。这篇文章的创新之处是三种不同版本的结构,用于制作医学上使用的矫形器。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Study of selected properties of PLA used in 3D printing
This study focuses on determining the best possible structure of the orthosis made with FDM 3D printing technology. To produce the samples, a thermoplastic PLA material was selected that met the conditions of biodegradability, biocompatibility and non-toxicity. The samples produced were subjected to a tensile strength test and corrosion resistance.Studies based on FEM analysis were carried out using the advanced engineering software CAE - Inventor. The samples were designed in the CAD system, while the G-Code path was generated using the PrusaSlicer 2.5.0 program dedicated to the Prusa i3 MK3S+ printer, which was used to create the models. Surface morphology observations of PLA were carried out with a Zeiss SUPRA 35 scanning electron microscope (SEM). The static tensile test was performed on the Zwick/Roell z100 device based on the PN-EN ISO 527:1 standard. Electrochemical corrosion tests were carried out using the Autolab PGSTAT302N Multi BA potentiostat in Ringer solution at a temperature of 37C.The research allowed the appropriate structure of the orthosis made of PLA polymer material using 3D FDM printing technology. The static tensile test, SEM and corrosion tests confirmed the correct application of this material for the selected purpose. It was possible to determine that samples with holes of 10 mm had the highest strength properties. Due to the tensile tests, the average tensile strength of those samples was around 61 MPa. The corrosion parameters of PLA were determined using Tafel analysis.The research methodology proposed in work can be used to study other biomedical materials. The results presented can be the basis for further tests in order to search for the best orthopaedic stabiliser.The innovative part of the article are three different versions of structures intended for making orthoses used in medicine.
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来源期刊
Journal of Achievements in Materials and Manufacturing Engineering
Journal of Achievements in Materials and Manufacturing Engineering Engineering-Industrial and Manufacturing Engineering
CiteScore
2.10
自引率
0.00%
发文量
15
期刊介绍: The Journal of Achievements in Materials and Manufacturing Engineering has been published by the Association for Computational Materials Science and Surface Engineering in collaboration with the World Academy of Materials and Manufacturing Engineering WAMME and the Section Metallic Materials of the Committee of Materials Science of the Polish Academy of Sciences as a monthly. It has 12 points which was received during the evaluation by the Ministry of Science and Higher Education journals and ICV 2017:100 on the ICI Journals Master list announced by the Index Copernicus. It is a continuation of "Proceedings on Achievements in Mechanical and Materials Engineering" published in 1992-2005. Scope: Materials[...] Properties[...] Methodology of Research[...] Analysis and Modelling[...] Manufacturing and Processingv Biomedical and Dental Engineering and Materials[...] Cleaner Production[...] Industrial Mangement and Organisation [...] Education and Research Trends[...]
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