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Experimental Petrology and Metallurgy/Apparatus/Multi Anvil Presses

< Experimental Petrology and Metallurgy

Introduction

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History

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Assembly Types

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Much of the material below comes from Kawazoe, Takaaki. "Multianvil Apparatus".


First stage anvils

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Kawai-type

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In the Kawai-type multianvil apparatus (multianvil 6-8 system; Kawai and Endo, 1970), sample pressure is generated by successive compression: 　(1) Hydraulic ram(s) drive six first-stage anvils (via guide blocks). 　(2) The six first-stage anivls compress eight second-stage anvils. 　(3) The second-stage anvils compress an octahedral cell assembly.

Split-cylinder type

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Walker-type
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(Walker et al., 1990)

Split-sphere type

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6-ram

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Oil reservoir

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(Kawai and Endo, 1970)

(D)-DIA-type

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(Ohtani et al., 1989)


(D)T-Cup-type

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Cubic-type

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Second stage anvils

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Gaskets

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Cell assembly

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Pressure media

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Heaters

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Capsules

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Thermocouples

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Common Designs

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25/18

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18/11

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14/8

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10/5

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7/3

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Cell Preparation

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