期刊
APPLIED PHYSICS LETTERS
卷 96, 期 4, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3298554
关键词
adhesion; bio-inspired materials; elastic moduli; hysteresis; nanostructured materials; polymers
资金
- Nano RD Program [2007-02605]
- Center for Nanoscale Mechatronics Manufacturing [08K1401-00210]
- King Abdullah University of Science and Technology (KAUST) [KUK-F1-037-02]
- Center for Ultramicrochemical Process Systems
- National Research Foundation of Korea [2007-02605] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We present analysis of adhesion properties of angled polymer nanohairs with a wide range of leaning angles from 0 degrees to 45 degrees and ultraviolet (UV)-curable polyurethane acrylate (PUA) materials of two different elastic moduli (19.8 and 320 MPa). It is demonstrated that shear adhesion and adhesion hysteresis can be greatly enhanced by increasing the leaning angle of nanohairs both for soft and hard materials due to increased contact area and reduced structural stiffness.
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