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一项基于模拟的一般性研究,研究直接用墨水写作中的油墨的可打印性
Md Asaduzzaman Sourov1, Seyda Islam Emu1, Md Shajedul Hoque Thakur2
1Department of Mechanical Engineering, Bangladesh University of Engineering and Technology, Dhaka, 1000, Bangladesh.
Scientific reports
|March 22, 2025
概括
这项研究使用有限元法 (FEM) 建模了直接墨水写作 (DIW) 和3D打印墨水打印能力. 纤维素纳米晶油墨显示出最好的打印能力,由于剪切稀释和形状保留.
科学领域:
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
- 计算力学 计算力学 计算力学
背景情况:
- 直接墨水写作 (DIW) 是一种多功能3D打印技术.
- 开发具有最佳风湿性质的可打印油墨仍然是一个挑战.
研究的目的:
- 以数值建模和评估DIW的各种油墨的打印能力.
- 为了确定区分高和低可打印性油墨的关键质特征.
- 为墨水打印能力提出一个分级参数.
主要方法:
- 使用有限元法 (FEM) 进行数值模拟.
- 模拟了五种不同的油墨类型:水泥,环氧,纤维素纳米晶体,酸盐水凝和金属粉水凝.
- 评估了剪切薄化行为,形状保留和油墨阻塞.
主要成果:
- 具有更好的打印能力的墨水表现出增强的剪切稀释,产生剪切强度和形状保留.
- 一个基于质性质的可打印度分级参数被提出.
- 20%重量%的纤维素纳米晶体在测试的油墨中显示出优越的打印能力.
结论:
- FEM是预测DIW墨水打印能力的有效工具.
- 诸如剪切薄化和形状保持等风病学性质对于成功的DIW至关重要.
- 优化的纤维素纳米晶配方为DIW应用提供了有前途的打印能力.
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