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Updated: Jul 5, 2025

Fused Filament Fabrication FFF of Metal-Ceramic Components
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通过数字光处理增强PUMA/SiO2陶复合材料的机械性能.

Jiwan Kang1, Seong Hyeon Park2, Keun Park1,3

  • 1Institute of 3D Printing Convergence Technology, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea.

Polymers
|January 23, 2024
PubMed
概括

将陶颗粒 (SiO2) 添加到尿甲酸盐 (UDMA) 树脂中,可以提高3D打印部件的强度. 高SiO2含量和低加工温度为功能应用提供了卓越的机械和热性能.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 聚合物化学 聚合物化学
  • 增材制造 增材制造 增材制造

背景情况:

  • 增材制造 (AM) 允许复杂的聚合物零件制造.
  • 增强AM聚合物部件的机械性能对于功能应用至关重要.
  • 陶颗粒的合并提供了一条改善聚合物复合材料性能的途径.

研究的目的:

  • 研究二氧化 (SiO2) 纳米颗粒含量对数字光处理 (DLP) 打印的尿甲基酸盐 (UDMA) 复合材料的机械和热性能的影响.
  • 为了确定PUMA/SiO2复合材料的最佳加工条件.
  • 通过DLP提供制造高性能陶复合材料的指导方针.

主要方法:

  • 数字光处理 (DLP) 3D打印不同SiO2含量 (16.7,28.5,37.5%重量%) 的PUMA/SiO2复合材料.
  • 机械测试包括硬度,曲和拉伸性测试.
  • 使用热重力测量分析 (TGA) 和导热/扩散度测量进行热分析.

主要成果:

  • 含37.5%重量%SiO2的复合材料表现出优越的硬度,加工条件的灵敏度最小.
  • 升高的温度降低了曲性质,但高SiO2含量可以减轻这种情况.
  • 增加的SiO2含量将拉伸性能从粘弹性转变为线性弹性,在低温度 (<35°C) 超过28.5 wt%SiO2.5%以上的情况下保持高强度.
关键词:
添加剂制造 添加剂制造 添加剂制造陶 3D 打印 3D 打印数字光处理 (DLP) 是指数字光处理.聚合物 - 矩阵复合材料 (PMCs)复合材料中的二氧化.

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  • 添加SiO2提高了分散性,导热性和扩散性,同时降低了特定热量.

    • 结论:

    • 高SiO2含量 (37.5%重量%) 和低温度 (<35°C) 是DLP制造的PUMA/SiO2复合材料的最佳选择.
    • 这些优化的条件显著提高了硬度和抗拉强度等机械性能.
    • 该研究为开发高性能陶聚合物复合材料提供了有价值的见解,用于苛刻的应用.