Elastic constants of ice samples by Brillouin spectroscopy

Gammon, P. H.; Kiefte, H.; Clouter, M. J.

doi:10.1021/j100244a004

Cited by 119 publications

(67 citation statements)

References 3 publications

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“…We minimize χ 2 for all our inversions to a narrow level of tolerance (12)(13)(14) to improve the comparability of our measurements. Starting values of c αβ for polycrystalline ice are taken from Gammon et al (1983) and Gusmeroli et al (2012).…”

Section: The Inverse Problemmentioning

confidence: 99%

Monitoring the temperature-dependent elastic and anelastic properties in isotropic polycrystalline ice using resonant ultrasound spectroscopy

et al. 2016

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Abstract. The elastic and anelastic properties of ice are of interest in the study of the dynamics of sea ice, glaciers, and ice sheets. Resonant ultrasound spectroscopy allows quantitative estimates of these properties and aids calibration of active and passive seismic data gathered in the field. The elastic properties and anelastic quality factor Q in laboratorymanufactured polycrystalline isotropic ice cores decrease (reversibly) with increasing temperature, but compressionalwave speed and attenuation prove most sensitive to temperature, indicative of pre-melting of the ice. This method of resonant ultrasound spectroscopy can be deployed in the field, for those situations where shipping samples is difficult (e.g. remote locations), or where the properties of ice change rapidly after extraction (e.g. in the case of sea ice).

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Section: The Inverse Problemmentioning

confidence: 99%

Monitoring the temperature-dependent elastic and anelastic properties in isotropic polycrystalline ice using resonant ultrasound spectroscopy

et al. 2016

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“…The curvature of the elastic part leads to an estimate of the molecular elastic modulus (1.4 ϫ10 11 N/m 2 ) that is similar to that found in well-annealed ice samples. 26,27 …”

Section: B Linear Structures Of Trimer Tetramer and Pentamermentioning

confidence: 99%

Density functional study of carbonic acid clusters

Ballone

Montanari

Jones

2000

The Journal of Chemical Physics

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Density functional calculations on carbonic acid H 2 CO 3 are extended to clusters of up to five such units. The most stable forms are the linear, hydrogen-bonded analogs of the dimer with anti-anti orientation. We calculate structures and vibration frequencies, as well as the energy required to bend and stretch the linear isomers. Linear chains of up to ϳ20 units should be favored over ring structures, and they have a tensile strength reminiscent of chains of water molecules. We also discuss planar, nonlinear structures as well as three-dimensional isomers.

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“…Elastic properties of homogeneous polycrystalline isotropic ice at -16°C are shown in Table 1 Poisson's ratio, υ n/a 0.325 Table 1. Elastic properties of homogeneous polycrystalline isotropic ice at -16°C [26] For a different temperature these values will change since ice properties are highly dependent on temperature. The most accurate values to date have been obtained by Gammon [26] and Gold [27].…”

Section: Mechanical Properties Of Icementioning

confidence: 99%

“…Elastic properties of homogeneous polycrystalline isotropic ice at -16°C [26] For a different temperature these values will change since ice properties are highly dependent on temperature. The most accurate values to date have been obtained by Gammon [26] and Gold [27]. For randomly oriented polycrystals, typical values of the modulus of elasticity and Poisson's ratio are 9.0 GPa and 0.33 at -5°C.…”

Section: Mechanical Properties Of Icementioning

confidence: 99%

“…The density of ice is 917 kg m -3 between 0 and -10°C [31]. The tensile strength of ice varies from 0.7-3.1 MPa, and its compressive strength varies from 5-25 MPa over the temperature range -10°C to -20°C [26]. The ice compressive strength increases with decreasing temperature, but ice tensile strength is relatively insensitive to temperature.…”

Section: Mechanical Properties Of Icementioning

confidence: 99%

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