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Analysis of the Crystallogeometry of Tetragonal Martensite in Indium‒Cadmium Alloys by the Method of Electron Back-Scattering Diffraction

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Abstract

Electron back-scattering diffraction shows that a package structure consisting of colonies of tetragonal lamella plates is formed when cooled below the temperature of the martensite fcc→fct transformation in the In–4.5 wt % Cd alloy. On the basis of the data obtained, it can be concluded that the package structure consisting of twin plates and the structure of a separate martensite plate consisting, in turn, of submicrotwins obeys general laws. At each structural level, in the group of neighboring regions, structural elements of three types, which differ in the direction of the tetragonality axis, are found.

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ACKNOWLEDGMENTS

The structural investigations on the FEI “Quanta-200” microscope were carried out in the electron microscopy department of the Center for Collective Use “Testing Center for Nanotechnologies and Advanced Materials” of the Institute of Metal Physics, Ural Branch, Russian Academy of Sciences.

Funding

This work was conducted as a part of a state assignment on the subjects “Pressure,” project no. АААА-А18-118020190104-3 and “Structure,” project no. AAAA-A18-118020190116-6.

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Correspondence to Yu. V. Khlebnikova.

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Translated by V. Bukhanov

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Schastlivtsev, V.M., Khlebnikova, Y.V., Rodionov, D.P. et al. Analysis of the Crystallogeometry of Tetragonal Martensite in Indium‒Cadmium Alloys by the Method of Electron Back-Scattering Diffraction. Dokl. Phys. 64, 229–232 (2019). https://doi.org/10.1134/S1028335819050045

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  • DOI: https://doi.org/10.1134/S1028335819050045

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