Fracture-induced alignment of surface wrinkles

被引:18
|
作者
Rand, Charles J. [1 ]
Sweeney, Renee [1 ]
Morrissey, Mary [1 ]
Hazel, Lauren [1 ]
Crosby, Alfred J. [1 ]
机构
[1] Univ Massachusetts, Amherst, MA 01003 USA
关键词
D O I
10.1039/b802271b
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We introduce a simple process for creating materials that produce osmotically-driven surface wrinkles with long-range alignment, sans lithographically-defined topography and selective oxidation. Mechanically-induced surface defects create stress discontinuities that convert the global biaxial stress state to local uniaxial stresses, producing aligned wrinkles across the surface.
引用
收藏
页码:1805 / 1807
页数:3
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