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Figure 1
(a) Scanning electron microscopy–back-scattered electron (SEM-BSE) image of the initial sample condition, showing the fine martensitic α′ microstructure. (b) Thermal profile of the continuous heating experiment. The sample is heated at 5 °C min−1 from room temperature up to 900 °C, with subsequent rapid quenching. Selected states (I–III) were quenched from intermediate temperatures, i.e. 600, 700 and 800 °C, for microstructural analysis. (c) Schematic of the in situ SAXS setup on the P07 beamline at DESY. A modified DIL 805A dilatometer enables inductive heating under vacuum, while in situ SAXS measurements are performed in transmission geometry. (d) Evolution of phase fractions (α/α′, β and Ti2Cu) during CH5, derived from in situ high-energy X-ray diffraction (HEXRD) measurements. α/α′ and β represent the matrix phases of the alloy.

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APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 58| Part 6| December 2025| Pages 2006-2017
https://doi.org/10.1107/S1600576725008489
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