0000000000776760

AUTHOR

Emmanuel Fraizier

showing 2 related works from this author

Laser-ultrasonics: a non-contact method to link the acoustic attenuation to metal damping properties up to the melting point

2004

The objective of this work is to describe the viscoelastic behavior of metals up to their melting temperature by measuring the velocity and the attenuation of ultrasonics waves. For that purpose, a technique called laser-ultrasonics has been optimized for the high temperature domain and the solid to liquid transition. This paper is especially applied to the viscoelastic characterization of tin, from room temperature up to the melting point.

Laser ultrasonicsWork (thermodynamics)Materials scienceMechanical EngineeringAttenuationchemistry.chemical_elementMineralogyCondensed Matter PhysicsViscoelasticityCharacterization (materials science)Condensed Matter::Soft Condensed MatterchemistryMechanics of MaterialsMelting pointGeneral Materials ScienceComposite materialTinAcoustic attenuationMaterials Science and Engineering: A
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Evaluation of viscoelastic constants of metallic materials by laser-ultrasonics at elevating temperature

2002

The main objective of this study is the determination of elastic moduli and viscosity coefficients of metals at elevating temperature up to melting point. More specifically, it involves the analysis of the propagation of acoustic waves generated and detected simultaneously by laser-ultrasonic for the measurement of longitudinal and shear velocities. This preliminary work primarily concerns Tin (Sn) metal known for its low melting point and attenuation coefficient.

Laser ultrasonicsMaterials scienceAcoustics and Ultrasonicsbusiness.industryAcoustic waveViscoelasticityShear (sheet metal)ViscosityOpticsAttenuation coefficientMelting pointComposite materialbusinessElastic modulusUltrasonics
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