Grain size-sensitive creep in ice II
Science
By: T. Kubo, W.B. Durham, L.A. Stern, and S.H. Kirby
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Abstract
Rheological experiments on fine-grained water ice II at low strain rates reveal a creep mechanism that dominates at conditions of low stress. Using cryogenic scanning electron microscopy, we observed that a change in stress exponent from 5 to 2.5 correlates strongly with a decrease in grain size from about 40 to 6 micrometers. The grain size-sensitive creep of ice II demonstrated here plausibly dominates plastic strain at the low-stress conditions in the interior of medium- to large-sized icy moons of the outer solar system.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Grain size-sensitive creep in ice II |
| Series title | Science |
| DOI | 10.1126/science.1121296 |
| Volume | 311 |
| Issue | 5765 |
| Year Published | 2006 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Science |
| First page | 1267 |
| Last page | 1269 |
| Google Analytic Metrics | Metrics page |