在激光纹理表面诱导超疏水性的可行性:数学模型的建立和实验研究

IF 0.9 Q4 ENGINEERING, MANUFACTURING Journal of Advanced Manufacturing Systems Pub Date : 2021-06-14 DOI:10.1142/S0219686721500463
M. Nikam, T. Roy, S. Mastud
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引用次数: 1

摘要

疏水性是表面的一个突出特征,它决定了其在通过保持润滑减少磨损、自清洁表面、流体减阻、粘度测试、疏油涂层开发等领域的应用。超疏水表面的水接触角(CA)为150°或更大。非织构表面的高表面能限制了其润湿性。表面的纹理赋予低表面能,这被证明有利于增强整体表面疏水性。为寻找表面实现超疏水性的最佳方法所做的研究和分析仍然很小。由于所涉及的特征范围广泛,通过微加工制造超疏水表面具有挑战性。为了最大限度地减少基于试验和误差的实验所产生的高昂成本,本研究开发了一个精度为90%的数学模型,该模型将有助于确定微凹坑直径和面密度等参数值的最接近范围,这些参数值负责在微凹坑试样上诱导超疏水性能。这项研究的例外之处在于,尽管数学模型可用于微槽和微柱等纹理,但对硬度大于55 HRC的微凹坑表面可进行微小的研究。
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Feasibility of Inducing Superhydrophobicity on Laser-Textured Surfaces: Development of Mathematical Model and Experimental Investigations
Hydrophobicity is a prominent characteristic of a surface that governs its applications in domains such as wear reduction by lubrication retention, self-cleaning surfaces, fluid drag reduction, viscosity testing, development of oleophobic coatings, etc. A superhydrophobic surface exhibits a water contact angle (CA) of 150∘ or larger. High surface energy of nontextured surface limits its wettability. Texturing of a surface imparts low surface energy which proves to be favorable for enhancing the overall surface hydrophobicity. Research and analysis done to fathom an optimum method by which surfaces accomplish superhydrophobicity is still miniscule. It is challenging to fabricate superhydrophobic surfaces by micro-machining due to the expansive range of the features involved. To minimize the exorbitant costs incurred due to trial-and-error-based experimentation, a mathematical model with [Formula: see text]90% accuracy has been developed in this study, which would help determine the closest ranges of values of parameters like micro-dimple diameter and areal density responsible for inducing superhydrophobic properties on a micro-dimpled specimen. The exceptionality of this study lies in the fact that though mathematical models are available for textures like micro-grooves and micro-pillars, but miniscule research is available for micro-dimpled surfaces with hardness greater than 55 HRC.
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来源期刊
Journal of Advanced Manufacturing Systems
Journal of Advanced Manufacturing Systems ENGINEERING, MANUFACTURING-
CiteScore
2.90
自引率
14.30%
发文量
32
期刊介绍: Journal of Advanced Manufacturing Systems publishes original papers pertaining to state-of-the-art research and development, product development, process planning, resource planning, applications, and tools in the areas related to advanced manufacturing. The journal addresses: - Manufacturing Systems - Collaborative Design - Collaborative Decision Making - Product Simulation - In-Process Modeling - Resource Planning - Resource Simulation - Tooling Design - Planning and Scheduling - Virtual Reality Technologies and Applications - CAD/CAE/CAM Systems - Networking and Distribution - Supply Chain Management
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