MAGNETIC-RESONANCE IMAGES OF COARSENING INSIDE A FOAM

被引：71

作者：

GONATAS, CP

LEIGH, JS

YODH, AG

GLAZIER, JA

PRAUSE, B

机构：

[1] UNIV PENN,DEPT RADIOL,PHILADELPHIA,PA 19104

[2] UNIV PENN,DEPT PHYS,PHILADELPHIA,PA 19104

[3] UNIV NOTRE DAME,DEPT PHYS,NOTRE DAME,IN 46556

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 75卷 / 03期

关键词：

D O I：

10.1103/PhysRevLett.75.573

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Coarsening in three-dimensional polycrystalline systems such as foams, magnetic bubbles, metal crystals, and ceramics is poorly understood because of the absence of data describing the interior of these. materials. We introduce magnetic resonance imaging to probe the interior of a foam, providing information on topology and foam drainage. The foam does not appear to coarsen in a self-similar way during observation periods of up to 50 h, representing over a decade of growth in the mean length scale.

引用

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页码：573 / 576

页数：4

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