In Situ Stress Tensor Determination during Phase Transformation of a Metal Matrix Composite by High-Energy X-ray Diffraction

Abstract : In situ high-energy X-ray diffraction using a synchrotron source performed on a steel metal matrix composite reinforced by TiC allows the evolutions of internal stresses during cooling to be followed thanks to the development of a new original experimental device (a transportable radiation furnace with controlled rotation of the specimen). Using the device on a high-energy beamline during in situ thermal treatment, we were able to extract the evolution of the stress tensor components in all phases: austenite, TiC, and even during the martensitic phase transformation of the matrix.
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https://hal.univ-lorraine.fr/hal-01987663
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Submitted on : Monday, January 21, 2019 - 11:33:44 AM
Last modification on : Wednesday, September 4, 2019 - 2:06:04 PM

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Guillaume Geandier, Lilian Vautrot, Benoit Denand, Sabine Denis. In Situ Stress Tensor Determination during Phase Transformation of a Metal Matrix Composite by High-Energy X-ray Diffraction. Materials, MDPI, 2018, 11 (8), pp.1415. ⟨10.3390/ma11081415⟩. ⟨hal-01987663⟩

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