In Situ Synchrotron X‐Ray Diffraction during High‐Pressure Torsion Deformation of Ni and NiTi
Source abstract
Abstract
A down‐sized high‐pressure torsion device is developed to be used in an INSTRON deformation machine available at the High Energy Materials Science beamline at PETRA III. This setup allows to obtain synchrotron diffraction patterns in situ during severe plastic straining. Two different materials are studied: in pure Ni, the dislocation density and coherently scattering domain size are analyzed; in NiTi shape memory alloy, amorphization and a reverse martensitic phase transformation are investigated. The in situ experiments facilitate the characterization of the microstructural evolution of these materials depending on uniaxial loading, hydrostatic pressure, and torsional strain.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Shape Memory Alloy Transformations · Microstructure and Mechanical Properties of Steels · High Entropy Alloys Studies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Faculty of Physics University Vienna Vienna A-1090 Austria
Chair of Materials Physics Department Materials Science Montanuniversität Leoben Leoben A-8700 Austria
Christian Doppler Laboratory for Interfaces and Precipitation Engineering (CDL-IPE) Institute of Materials Science and Technology, Technische Universität Wien Wien A-1060 Austria
Faculty of Chemistry University of Vienna Vienna A-1090 Austria
Helmholtz Zentrum Geesthacht, Institute of Materials Research, GEMS Deutsches Elektronen-Synchrotron DESY Hamburg 22607 Germany
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