基于熔融沉积建模的3D打印聚己内酯/纳米羟基磷灰石复合支架压缩力学性能和吸水性能优化

IF 4.2 Q2 NANOSCIENCE & NANOTECHNOLOGY

Proceedings of the Institution of Mechanical Engineers Part N-Journal of Nanomaterials Nanoengineering and Nanosystems Pub Date : 2023-10-25 DOI:10.1177/23977914231205639

Behnam Akhoundi, Yasser Taghipour Lahijani, Vahid Modanloo

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引用次数: 0

摘要

本研究利用基于熔融沉积建模(FDM)技术的3D打印机，研究了纳米羟基磷灰石(N-HA)颗粒增强聚己内酯(PCL)支架的力学性能和吸水性。制造这种复合材料的目的是复制类似骨组织的组织。生物相容性N-HA(重量比50%)用于强化基质相和提高力学性能。压缩试验结果表明，N-HA的加入使支架(名义孔隙率为60%，填充模式为0/60/120)的抗压强度和模量分别提高了240%和150%。吸水率提高了600%。

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Optimizing compressive mechanical properties and water absorption of polycaprolactone/nano-hydroxyapatite composite scaffolds by 3D printing based on fused deposition modeling

This research examines the mechanical properties and water absorption of polycaprolactone (PCL) scaffolds reinforced with nano-hydroxyapatite (N-HA) particles, printed using a 3D printer based on fused deposition modeling (FDM) technology. Fabricating this composite material aims to replicate a tissue similar to bone tissue. Biocompatible N-HA (50% by weight) was utilized to fortify the matrix phase and enhance the mechanical properties. The compression test results showed that the addition of N-HA augmented the compressive strength and modulus of the scaffolds (with a nominal porosity of 60% and a filling pattern of 0/60/120) by 240% and 150%, respectively. Moreover, the water absorption increased by 600%.

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来源期刊

Proceedings of the Institution of Mechanical Engineers Part N-Journal of Nanomaterials Nanoengineering and Nanosystems NANOSCIENCE & NANOTECHNOLOGY-

CiteScore

6.00

自引率

1.70%

发文量

期刊介绍： Proceedings of the Institution of Mechanical Engineers Part N-Journal of Nanomaterials Nanoengineering and Nanosystems is a peer-reviewed scientific journal published since 2004 by SAGE Publications on behalf of the Institution of Mechanical Engineers. The journal focuses on research in the field of nanoengineering, nanoscience and nanotechnology and aims to publish high quality academic papers in this field. In addition, the journal is indexed in several reputable academic databases and abstracting services, including Scopus, Compendex, and CSA's Advanced Polymers Abstracts, Composites Industry Abstracts, and Earthquake Engineering Abstracts.