Low Ice Adhesion on Nano-Textured Superhydrophobic Surfaces under Supersaturated Conditions

被引：217

作者：

Subramanyam, Srinivas Bengaluru ^{[1
]}

Kondrashov, Vitaliy ^{[3
]}

Ruehe, Juergen ^{[3
]}

Varanasi, Kripa K. ^{[2
]}

机构：

[1] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA

[2] MIT, Dept Mech Engn, Cambridge, MA 02139 USA

[3] Univ Freiburg, Chem & Phys Interfaces, Dept Microsyst Engn IMTEK, F-79110 Freiburg, Germany

来源：

ACS APPLIED MATERIALS & INTERFACES | 2016年 / 8卷 / 20期

关键词：

ice adhesion; frost formation; nanotexture; microtexture; cryogenic imaging cryo-FIB; cryo-SEM; FROST GROWTH; WATER; REPELLENT; LIQUID;

D O I：

10.1021/acsami.6b01133

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Ice adhesion on superhydrophobic surfaces can significantly increase in humid environments because of frost nucleation within the textures. Here, we studied frost formation and ice adhesion on superhydrophobic surfaces with various surface morphologies using direct microscale imaging combined with macroscale adhesion tests. Whereas ice adhesion increases on microtextured surfaces, a 15-fold decrease is observed on nanotextured surfaces. This reduction is because of the inhibition of frost formation within the nanofeatures and the stabilization of vapor pockets. Such "Cassie ice"-promoting textures can be used in the design of anti-icing surfaces.

引用

页码：12583 / 12587

页数：5

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