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TRIP Steels: A Multiscale Computational Simulation and Experimental Study of Heat Treatment and Mechanical Behavior
Open AccessArticle

Neutron Diffraction and Diffraction Contrast Imaging for Mapping the TRIP Effect under Load Path Change

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Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institute, Villigen PSI, CH-5232 Villigen, Switzerland
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CONICET, Laboratorio Argentino de Haces de Neutrones, Departamento de Física de Neutrones, Centro Atómico Bariloche, San Carlos de Bariloche R8402AGP, Argentina
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Swissneutronics AG, CH-5313 Klingnau, Switzerland
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Swiss Light Source, Paul Scherrer Institute, Villigen PSI, CH-5232 Villigen, Switzerland
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Neutrons and X-rays for Mechanics of Materials, IMX, Ecole Polytechnique Federale de Lausanne, CH-1015 Lausanne, Switzerland
*
Authors to whom correspondence should be addressed.
Materials 2020, 13(6), 1450; https://doi.org/10.3390/ma13061450
Received: 28 February 2020 / Revised: 17 March 2020 / Accepted: 18 March 2020 / Published: 23 March 2020
The transformation induced plasticity (TRIP) effect is investigated during a load path change using a cruciform sample. The transformation properties are followed by in-situ neutron diffraction derived from the central area of the cruciform sample. Additionally, the spatial distribution of the TRIP effect triggered by stress concentrations is visualized using neutron Bragg edge imaging including, e.g., weak positions of the cruciform geometry. The results demonstrate that neutron diffraction contrast imaging offers the possibility to capture the TRIP effect in objects with complex geometries under complex stress states. View Full-Text
Keywords: TRIP; load path change; neutron; Bragg edge TRIP; load path change; neutron; Bragg edge
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MDPI and ACS Style

Polatidis, E.; Morgano, M.; Malamud, F.; Bacak, M.; Panzner, T.; Van Swygenhoven, H.; Strobl, M. Neutron Diffraction and Diffraction Contrast Imaging for Mapping the TRIP Effect under Load Path Change. Materials 2020, 13, 1450.

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