Lian, Zhongxu, Cheng, Yi, Xu, Jinkai, Xu, Jinlong, Ren, Wanfei, Tian, Yanling and Yu, Huadong (2022) Green fabrication of anti-friction slippery liquid-infused metallic surface with sub-millimeter-scale asymmetric bump arrays and its application. International Journal of Precision Engineering and Manufacturing-Green Technology . doi:10.1007/s40684-022-00463-7 ISSN 2288-6206. (In Press)

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Abstract

In this work, we present a simple technique for green fabrication of slippery liquid-infused surface (SLIS) with anti-friction property on various metallic substrates using wire electrical discharge machining. Micro-crater structures were successfully obtained, and the surface had excellent liquid-repellent property after modification and infusion of silicone oil. A wide range of liquids including water, juice, coffee, tea, vinegar, albumin, glycerol, and ketchup could easily slid down the surface tilted at an angle of 10° without leaving any trace. The influences of the number of cutting step on the morphology and wettability of the surface were studied comprehensively. Further, the tribological properties of the surface were analyzed and the results showed that the SLIS had a decrease of 73.2% in friction coefficient as compared to that of the smooth surface. By studying the morphology of the worn surfaces, it is found that the SLIS had slight abrasive wear behavior. To demonstrate the precision processing ability of this technology, we fabricated slippery sub-millimeter-scale asymmetric bump arrays, and the experiment results showed that the asymmetric bump arrays had excellent water harvesting ability at low temperatures. This kind of environment-friendly precision machining technology will promote the practical applications of metallic functional materials.

Item Type:	Journal Article
Subjects:	Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery
Divisions:	Faculty of Science, Engineering and Medicine > Engineering > Engineering
Library of Congress Subject Headings (LCSH):	Tribology, Surfaces (Technology), Hydrophobic surfaces, Porous materials, Lubrication and lubricants
Journal or Publication Title:	International Journal of Precision Engineering and Manufacturing-Green Technology
Publisher:	Springer
ISSN:	2288-6206
Official Date:	2022
Dates:	Date Event 2022 Published 27 October 2022 Available 17 August 2022 Accepted
DOI:	10.1007/s40684-022-00463-7
Status:	Peer Reviewed
Publication Status:	In Press
Reuse Statement (publisher, data, author rights):	“This version of the article has been accepted for publication, after peer review (when applicable) but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1007/s40684-022-00463-7. Use of this Accepted Version is subject to the publisher’s Accepted Manuscript terms of use https://www.springernature.com/gp/open-research/policies/acceptedmanuscript-terms”."
Access rights to Published version:	Restricted or Subscription Access
Copyright Holders:	The Author(s), under exclusive licence to Korean Society for Precision Engineering
Date of first compliant deposit:	25 November 2022
RIOXX Funder/Project Grant:	Project/Grant ID RIOXX Funder Name Funder ID U19A20103 [NSFC] National Natural Science Foundation of China http://dx.doi.org/10.13039/501100001809 2019M661184 China Postdoctoral Science Foundation http://dx.doi.org/10.13039/501100002858 YDZJ202101ZYTS025 Jilin Province Scientific and Technological Development Program UNSPECIFIED

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