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Effect of leaning angle of gecko-inspired slanted polymer nanohairs on dry adhesion
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10.1063/1.3298554
/content/aip/journal/apl/96/4/10.1063/1.3298554
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/4/10.1063/1.3298554
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

[(a)–(d)] SEM images of the Si master substrates having angled etch profiles with LAs of 0°, 15°, 30°, and 45°, respectively. [(e)–(f)] SEM images of the h-PUA nanohairs ( length and 400 nm diameter) replicated from the masters shown in (a–d). (Scale .)

Image of FIG. 2.
FIG. 2.

(a) Measurement of macroscopic shear adhesion force with an adhesive patch (thickness: , , and size: ) having s-PUA nanohairs with different LAs against smooth glass surface after removing preload of . (b) A schematic drawing of the deflected s-PUA nanohair under a shear load of . (c) Theoretical side contact lengths (blue diamond) of s-PUA nanohair along with experimental shear adhesion force of single s-PUA nanohair (red box). (d) Theoretical side contact lengths of s-PUA nanohairs with four different LAs as a function of applied shear load.

Image of FIG. 3.
FIG. 3.

(a) Measurement of macroscopic shear adhesion force with an adhesive patch (thickness: , , and size: ) having h-PUA nanohairs with different LAs against smooth glass surface after removing preload of . (b) A schematic drawing of the deflected h-PUA nanohair under a shear load of .

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/content/aip/journal/apl/96/4/10.1063/1.3298554
2010-01-29
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effect of leaning angle of gecko-inspired slanted polymer nanohairs on dry adhesion
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/4/10.1063/1.3298554
10.1063/1.3298554
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