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Figure 9
Temperature, pressure, stress and strain data plotted against time at 0.45 MN under nominally dry conditions. Pressures were determined by the equation of state of ortho-enstatite. Stress values were obtained from three diffraction peaks of enstatite (red: 321; blue: 610; green: 131). Temperature, pressure and strain are shown by black squares, red circles and black circles, respectively. After initial deformation at 1573 K and confirmation of steady-state deformation, the steady-state deformation was observed while cooling in 50 K steps. Subsequently, the strain rate dependence was measured by changing the D-ram stroke speed from 1 µm min−1 to 8 µm min−1, and then the temperature dependence was measured by further changing the temperature. Finally, total strain reached 28%.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 33| Part 5| September 2026|
https://doi.org/10.1107/S1600577526006387
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