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数字预测和实验验证存储的线程在直接墨水写作:存储状态和配置尺寸的维度
Yongqiang Tu1, Haoran Zhang1, Xue Shi2
1College of Marine Equipment and Mechanical Engineering, Jimei University, Xiamen 361021, China.
Polymers
|March 13, 2025
概括
这项研究引入了一种改进的3D数值模型,用于预测直接墨水写作 (DIW) 中的线丝沉积. 它量化了工艺参数的影响,确定了控制沉积状态和打印件质量的关键因素.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 增材制造 增材制造 增材制造
背景情况:
- 直接墨水写作 (DIW) 的质量取决于沉积的导线特性.
- 之前的研究缺乏对工艺参数对DIW沉积影响的定量分析.
- 准确预测沉积行为对于优化DIW过程至关重要.
研究的目的:
- 开发和验证一个改进的3D数值模型,用于预测DIW沉积状态和导线轮尺寸.
- 量化分析过程参数对沉积结果的影响.
- 确定控制潜水潜水中的沉积行为的关键参数.
主要方法:
- 开发一个改进的三维 (3D) 数值模型.
- 通过发光线沉积实验验证模型的预测准确度.
- 量化过程参数对沉积状况和配置尺寸的影响.
主要成果:
- 该数值模型准确地预测了导线宽度和高度,最大相对误差分别为10.13%和7.37%.
- 确定了关键过程参数,即无维喷嘴速度 (V*) 和无维高度 (H*).
- 三种不同的沉积状态 (过度沉积,压缩沉积,自由沉积) 根据V*和H*进行了表征.
结论:
- 拟议的数值模型提供了一种有效的方法来预测DIW沉积状态和配置尺寸.
- 这项工作提供了对DIW过程参数效应的定量理解.
- 这些发现可以更好地控制DIW流程,从而提高印刷部件的质量.
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