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Open AccessFeature PaperArticle

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

1
Institut Jean Lamour, UMR 7198, CNRS—Université de Lorraine, Campus ARTEM, 2 allée André Guinier BP 50840, 54011 Nancy CEDEX, France
2
Laboratory of Excellence on Design of Alloy Metals for low-mAss Structures (DAMAS), Université de Lorraine, 54000 Nancy-Metz, France
*
Author to whom correspondence should be addressed.
Materials 2018, 11(8), 1415; https://doi.org/10.3390/ma11081415
Received: 30 June 2018 / Revised: 28 July 2018 / Accepted: 6 August 2018 / Published: 12 August 2018
(This article belongs to the Special Issue Design of Alloy Metals for Low-Mass Structures)
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. View Full-Text
Keywords: metal matrix composite; in situ X-ray diffraction; internal stresses; phase transformation; microstructure metal matrix composite; in situ X-ray diffraction; internal stresses; phase transformation; microstructure
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MDPI and ACS Style

Geandier, G.; Vautrot, L.; Denand, B.; Denis, S. In Situ Stress Tensor Determination during Phase Transformation of a Metal Matrix Composite by High-Energy X-ray Diffraction. Materials 2018, 11, 1415.

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