Peculiarities of methane clathrate hydrate formation and solid-state deformation, including possible superheating of water ice
Science
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Abstract
Slow, constant-volume heating of water ice plus methane gas mixtures forms methane clathrate hydrate by a progressive reaction that occurs at the nascent ice/liquid water interface. As this reaction proceeds, the rate of melting of metastable water ice may be suppressed to allow short-lived superheating of ice to at least 276 kelvin. Plastic flow properties measured on clathrate test specimens are significantly different from those of water ice; under nonhydrostatic stress, methane clathrate undergoes extensive strain hardening and a process of solid-state disproportionation or exsolution at conditions well within its conventional hydrostatic stability field.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Peculiarities of methane clathrate hydrate formation and solid-state deformation, including possible superheating of water ice |
| Series title | Science |
| DOI | 10.1126/science.273.5283.1843 |
| Volume | 273 |
| Issue | 5283 |
| Year Published | 1996 |
| Language | English |
| Publisher | American Association for the Advancement of Science |
| Description | 6 p. |
| First page | 1843 |
| Last page | 1848 |