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首页> 外文期刊>Physics of the Earth and Planetary Interiors: A Journal Devoted to Obsevational and Experimerntal Studies of the Chemistry and Physics of Planetary Interiors and Their Theoretical Interpretation >Toward comprehensive studies of liquids at high pressures and high temperatures: Combined structure, elastic wave velocity, and viscosity measurements in the Paris-Edinburgh cell
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Toward comprehensive studies of liquids at high pressures and high temperatures: Combined structure, elastic wave velocity, and viscosity measurements in the Paris-Edinburgh cell

机译：全面研究高压和高温下的液体：巴黎-爱丁堡单元中的组合结构，弹性波速度和粘度测量

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摘要

Techniques for measuring liquid structure, elastic wave velocity, and viscosity under high pressure have been integrated using a Paris-Edinburgh cell at Beamline 16-BM-B, HPCAT of the Advanced Photon Source. The Paris-Edinburgh press allows for compressing large volume samples (up to 2 mm in both diameter and length) up to ~7 GPa and 2000 °C. Multi-angle energy dispersive X-ray diffraction provides structure factors of liquid to a large Q of ~19 ?. Ultrasonic techniques have been developed to investigate elastic wave velocity of liquids combined with the X-ray imaging. Falling sphere viscometry, using highspeed X-ray radiography (>1000 frames/s), enables us to investigate a wide range of viscosity, from those of high viscosity silicates or oxides melts to low viscosity (<1 mPa s) liquids and fluids such as liquid metals or salts. The integration of these multiple techniques has promoted comprehensive studies of structure and physical properties of liquids as well as amorphous materials at high pressures and high temperatures, making it possible to investigate correlations between structure and physical properties of liquids in situ.
机译：在高级光子源的HPCAT的Beamline 16-BM-B处使用Paris-Edinburgh池，已经集成了用于在高压下测量液体结构，弹性波速度和粘度的技术。 Paris-Edinburgh压力机可压缩大体积样品（直径和长度最大2 mm），最高可压缩约7 GPa压力和2000°C。多角度能量色散X射线衍射可将液体的结构因子提供给约19？的大Q。已经开发了超声技术来研究与X射线成像相结合的液体弹性波速度。使用高速X射线照相术（> 1000frame / s）的落球粘度测定法，使我们能够研究各种粘度，从高粘度硅酸盐或氧化物熔体到低粘度（<1 mPa s）的液体和流体，作为液态金属或盐。这些多种技术的集成促进了对液体以及非晶态材料在高压和高温下的结构和物理性质的全面研究，从而有可能研究液体的结构和物理性质之间的相关性。

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