开发用于超变量微结构部件的复制成型工艺

IF 2.8 4区 工程技术 Q2 ENGINEERING, CHEMICAL Processes Pub Date : 2024-09-13 DOI:10.3390/pr12091968
Yung-Jin Weng, Yu-Zhe Gao, Yu-Ming Chen
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引用次数: 0

摘要

本研究调查了超变微结构复制成型工艺的开发情况。最初,研究人员推导出了这些超变微结构的模具变形理论。在此理论基础上,选择了一种具有磁性的金属材料作为结构材料,以创建负泊松比(NPR)几何结构。通过使用具有可调磁性能的金属材料制造 NPR 几何模具层并间接控制微结构变形所获得的实验结果验证了变形理论及其预测。这些结果表明,所开发的成型工艺与磁性 NPR 调节系统集成在一起,具有出色的稳定性和复制能力。在本研究中,在 NPR 几何结构层与聚二甲基硅氧烷(PDMS)界面的零高度(z = 0)位置,随着与微结构中心距离的增加,变化变得更加明显。此外,函数曲线的趋势也随之变化。主要原因是两侧自由端缺乏约束,而中间部分约束过多。在本研究的条件下,其对径向直径厚度影响的最大比率为 2.1%。这种创新工艺有助于快速压印微结构部件,并具有高效成型的优势。
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Development of Replica Molding Processes for Hypervariable Microstructural Components
The current study investigates the development of a replica molding process for hypervariable microstructures. Initially, the mold deformation theory for these hypervariable microstructures was derived. Based on this theory, a metal material with magnetic properties was selected as the structural material to create a negative Poisson’s ratio (NPR) geometric structure. The experimental results, obtained by fabricating the NPR geometric mold layer with a metal material with adjustable magnetic properties and controlling microstructure deformation indirectly, validate the deformation theory and its predictions. These results demonstrate that the developed molding process, integrated with the magnetic NPR regulation system, exhibits excellent stability and replication capability. In this study, at the zero height (z = 0) position on the interface between the NPR geometric structure layer and the Polydimethylsiloxane (PDMS), the variation becomes more pronounced with increasing distance from the center of the microstructure. Furthermore, the tendency of the function curve varies accordingly. The primary cause is the lack of constraints on the free ends of both sides and the excessive constraints on the intermediate parts. Under the conditions in this study, the maximum ratio of its influence on the radial diameter thickness was 2.1%. This innovative process facilitates the rapid imprinting of microstructural components and offers the advantage of efficient molding.
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来源期刊
Processes
Processes Chemical Engineering-Bioengineering
CiteScore
5.10
自引率
11.40%
发文量
2239
审稿时长
14.11 days
期刊介绍: Processes (ISSN 2227-9717) provides an advanced forum for process related research in chemistry, biology and allied engineering fields. The journal publishes regular research papers, communications, letters, short notes and reviews. Our aim is to encourage researchers to publish their experimental, theoretical and computational results in as much detail as necessary. There is no restriction on paper length or number of figures and tables.
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