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Creating a high temperature environment at high pressure in a gas piston cylinder apparatus

机译:在气体活塞缸装置中在高压下创造高温环境

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摘要

An internal heater capable of 1400 K has been developed for use with a gas piston cylinder apparatus capable of achieving in excess of 3 GPa with an argon pressure medium. The heated gas piston cylinder produces a truly hydrostatic environment for samples up to 3 mm in diameter and 8 mm in length. The apparatus can be used to study systems that are sensitive to stress or samples that cannot withstand shear tractions. The gas piston cylinder apparatus was developed in an effort to reduce experimental uncertainty in the pressure scale and has been used to improve understanding of the Bi I-II transition at 298 K. We estimate that the pressure during a high temperature soak in the gas piston cylinder can be known to within ±0.01 GPa.
机译:已经开发出一种能够将1400 K的内部加热器用于能够在氩气压力介质下实现超过3 GPa的气体活塞缸装置。加热的气体活塞缸为直径最大为3 mm,长度为8 mm的样品提供了真正的静液压环境。该设备可用于研究对应力敏感的系统或无法承受剪切力的样品。气体活塞缸设备的开发旨在减少压力刻度上的实验不确定性,并已用于增进对298 K时Bi I-II转变的理解。我们估计高温浸泡在气体活塞中时的压力圆柱体可以知道在±0.01 GPa以内。

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  • 来源
    《Review of Scientific Instruments》 |2012年第1期|p.1-9|共9页
  • 作者

    Burnley P. C.; Getting I. C.;

  • 作者单位

    High Pressure Science and Engineering Center and Department of Geoscience, University of Nevada, Las Vegas, Las Vegas, Nevada 89154, USA;

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  • 正文语种 eng
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