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An experimental realization of the Weaire-Phelan structure in monodisperse liquid foam

机译:单分散液体泡沫的令人厌恶的菲尔兰结构的实验性实现

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The Weaire-Phelan (WP) structure is the lowest energy structure known of an ideal monodisperse foam in the dry limit. To date, it has not been realized in the laboratory. Instead Lord Kelvin's 1887 structure, which it supplanted in 1994, has repeatedly been found in attempts to produce an ordered structure. This paradox is attributable to the flat walls of the containers used, with which the Kelvin structure is more compatible. Accordingly, we have fabricated a patterned mould whose faceted walls conform to the WP geometry, and thereby succeeded in inducing the formation of perfect crystals of the WP structure. Foam samples consisted of approximately 1500 bubbles. Vibrations favoured crystallization.
机译:令人厌恶的菲尔人(WP)结构是最低能量结构,其具有干燥极限的理想单分散泡沫。 迄今为止,它尚未在实验室中实现。 相反,赫尔文的1887年结构,它在1994年取出的结构,反复发现试图生产有序结构。 该悖论可归因于所用容器的扁平壁,开尔文结构更加兼容。 因此,我们已经制造了一种图案化模具,其刻面壁符合WP几何形状,从而成功地诱导了WP结构的完美晶体的形成。 泡沫样品由大约1500个气泡组成。 振动赞成结晶。

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