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Microscale thermal characterization at temperatures up to 1000˚C by photoreflectance microscopy. Application to the characterization of carbon fibres

Abstract : Micrometric scale thermal diffusivity measurement by photoreflectance microscopy is now a well-known technique. Until now the experiments were performed essentially at room temperature. In this paper we explore temperature resolved tests. We describe the modifications introduced in the experimental setup and the procedure followed to determine the temperature dependent diffusivity. Different analysis methods are described and first tests performed on known materials and a C/C composite is presented. (Some figures in this article are in colour only in the electronic version)
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Submitted on : Monday, March 14, 2016 - 10:24:34 AM
Last modification on : Friday, June 26, 2020 - 2:00:04 PM

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D Rochais, H Le Houëdec, Franck Enguehard, J Jumel, F Lepoutre. Microscale thermal characterization at temperatures up to 1000˚C by photoreflectance microscopy. Application to the characterization of carbon fibres. Journal of Physics D: Applied Physics, IOP Publishing, 2005, 38 (10), pp.1498-1503. ⟨10.1088/0022-3727/38/10/002⟩. ⟨hal-01287446⟩

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