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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.

Additional Publication Details

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
Volume
273
Issue:
5283
Year Published:
1996
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Science
First page:
1843
Last page:
1848
Number of Pages:
6