A hybrid pressure cell of pyrophyllite and magnesium oxide to extend the pressure range for large volume cubic presses

作者：Wang Haikuo; He Duanwei^*

来源：High Pressure Research, 2012, 32(2): 186-194.

DOI：10.1080/08957959.2012.657636

• hybrid pressure cell
• pyrophyllite and magnesium oxide
• pressure generation efficiency
• large volume cubic press

A hybrid pressure cell of pyrophyllite and magnesium oxide (HPCPM) used in large volume cubic presses is presented. In the HPCPM, a cubic frame which is made of pyrophyllite with face-centered square holes works as gaskets, and a heteromorphosis magnesium oxide works as the pressure-transmitting medium. Our experimental results indicated that the pressure-generation efficiency using the HPCPM was improved by about 40% than that using the traditional pyrophyllite pressure cell without decreasing the anvil truncation size (without sacrificing the sample volume). The HPCPM could pressurize samples of 1000 mm(3) volume up to about 8 GPa, which is significantly higher than that available using the traditional pressure cell, which reports a highest pressure of about 6 GPa.

• 出版日期2012
• 单位四川大学