日本鉱物学会年会講演要旨集
日本鉱物学会2005年度年会
セッションID: K2-02
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低温高圧下におけるice IIの細粒多結晶体の合成とそのレオロジー
*久保 友明Durham WilliamStern LauraKirby Stephen
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Creep experiments on polycrystalline water ice II with a variety of grain sizes (6-38 micron) have been performed at conditions relevant to planetary interiors (confining pressures of 200-250 MPa and temperatures of 200-220 K). Clear differences in creep behavior have been observed with different grain sizes at constant strain rates of 1.4e-8-4.3e-6 (s-1). The grain-size sensitive creep of ice II demonstrated here plausibly dominates plastic strain at the low stress conditions in the interior of medium- and large-size icy moons of the outer solar system

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© 2005 日本鉱物科学会
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