A Peltier-based freeze-thaw device for meteorite disaggregation

R. C. Ogliore

doi:10.1063/1.5006261

A Peltier-based freeze-thaw device for meteorite disaggregation

R. C. Ogliore

Department of Physics

Research output: Contribution to journal › Article › peer-review

Abstract

A Peltier-based freeze-thaw device for the disaggregation of meteorite or other rock samples is described. Meteorite samples are kept in six water-filled cavities inside a thin-walled Al block. This block is held between two Peltier coolers that are automatically cycled between cooling and warming. One cycle takes approximately 20 min. The device can run unattended for months, allowing for ∼10 000 freeze-thaw cycles that will disaggregate meteorites even with relatively low porosity. This device was used to disaggregate ordinary and carbonaceous chondrite regoltih breccia meteorites to search for micrometeoroid impact craters.

Original language	English
Article number	024501
Journal	Review of Scientific Instruments
Volume	89
Issue number	2
DOIs	https://doi.org/10.1063/1.5006261
State	Published - Feb 1 2018

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10.1063/1.5006261

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abstract = "A Peltier-based freeze-thaw device for the disaggregation of meteorite or other rock samples is described. Meteorite samples are kept in six water-filled cavities inside a thin-walled Al block. This block is held between two Peltier coolers that are automatically cycled between cooling and warming. One cycle takes approximately 20 min. The device can run unattended for months, allowing for ∼10 000 freeze-thaw cycles that will disaggregate meteorites even with relatively low porosity. This device was used to disaggregate ordinary and carbonaceous chondrite regoltih breccia meteorites to search for micrometeoroid impact craters.",

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AB - A Peltier-based freeze-thaw device for the disaggregation of meteorite or other rock samples is described. Meteorite samples are kept in six water-filled cavities inside a thin-walled Al block. This block is held between two Peltier coolers that are automatically cycled between cooling and warming. One cycle takes approximately 20 min. The device can run unattended for months, allowing for ∼10 000 freeze-thaw cycles that will disaggregate meteorites even with relatively low porosity. This device was used to disaggregate ordinary and carbonaceous chondrite regoltih breccia meteorites to search for micrometeoroid impact craters.

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JO - Review of Scientific Instruments

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ER -

A Peltier-based freeze-thaw device for meteorite disaggregation

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