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An experimental method for the in-situ observation of eutectic growth patterns in bulk samples of transparent alloys

Abstract : We present an experimental method for the in-situ observation of directional-solidification fronts in bulk samples of transparent eutectic alloys. The growth front is observed obliquely in dark field through the liquid and a glass wall of the container with a long-distance microscope. We show that a focused image of the whole growth front can be obtained at a certain tilt angle of the microscope. At this tilt angle, eutectic fibers of about 3.5\mic~in diameter can be clearly seen over the whole growth front in 400-\mic~thick samples.
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https://hal.archives-ouvertes.fr/hal-00124067
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Submitted on : Friday, January 12, 2007 - 11:25:26 AM
Last modification on : Saturday, January 15, 2022 - 3:43:48 AM
Long-term archiving on: : Tuesday, April 6, 2010 - 9:58:40 PM

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Sabine Bottin-Rousseau, Mikael Perrut, Christian Picard, Silvère Akamatsu, Gabriel Faivre. An experimental method for the in-situ observation of eutectic growth patterns in bulk samples of transparent alloys. 2007. ⟨hal-00124067⟩

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