Pressure-volume-temperature relationship of Fe72Pt28 alloy under high pressure and temperature

The pressure-volume relationship of Fe72Pt28 alloy was investigated at 300, 500, 700, 900, 1100, and 1300 K by performing energy-dispersive X-ray diffraction measurements using a white X-ray beam produced from synchrotron radiation at the High Energy Accelerator Organization, Japan. The pressure-vol...

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Bibliographic Details
Published in:Journal of physics. Conference series 2010-03, Vol.215 (1), p.012014
Main Authors: Matsushita, M, Inoue, T, Yoshimi, I, Yamaoka, E, Irifune, T, Ono, F, Ogiyama, H, Kikegawa, T
Format: Article
Language:English
Subjects:
Compressibility
Physics
Synchrotron radiation
Synchrotrons
Thermal expansion
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Summary:The pressure-volume relationship of Fe72Pt28 alloy was investigated at 300, 500, 700, 900, 1100, and 1300 K by performing energy-dispersive X-ray diffraction measurements using a white X-ray beam produced from synchrotron radiation at the High Energy Accelerator Organization, Japan. The pressure-volume relationship measurements were performed only along the decreasing the pressure path. Below 700 K and 3.5 GPa, the compressibility of Fe72Pt28 alloy increased with the pressure. Above 900 K, the pressure-volume relationship was almost linear. Further the temperature-volume relationship at high pressures was linear. An abrupt decrease in the volume or a thermal expansion coefficient anomaly, which was observed in the case of Fe69Ni31 alloy in previous experiments, was not observed in the case of Fe72Pt28 alloy,
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/215/1/012014