X-Ray Tomography in Material Science

Workshop on the application of X-Ray tomography in material science

Parution le 21/03/1970

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Résumé

For researchers dealing with structural materials, a key issue is the identification of the mechanisms responsible for the global mechanical behaviour of a material. Experimentally, this identification is quite an arduous task, carried out mainly through surface observations because most structural materials are opaque. The aim of this book is to show that X-Ray tomography can be used as a very powerful tool to investigate the microstructure and the deformation mechanisms of structural materials. For the moment, this technique, which has been widely used for years in medicine, is the only one that can provide direct non-destructive images of the interior of a material. A global description of the technique is given, as well as an introduction to the algorithms used for the reconstruction of the 3D numerical images. An overview of new possibilities offered by third generation synchrotron X-Ray sources is also presented with an emphasis on the novel phase contrast technique which considerably extends the field of classical X-Ray tomography. Finally, various examples illustrate how X-Ray tomography can be used quantitatively for investigating the microstructure and the behaviour of micro-heterogeneous structural materials such as Al and Ti based metal matrix composites, aluminium alloys and aluminium foams. The use of both synchrotron and laboratory X-Ray sources is illustrated.

Sommaire

General principles
Phase contrast tomography
Microtomography at a third generation syncrotron radiation facility
Introduction to reconstitution methods
Study of materials in the semi-solid state
Characterisation of void and reinforcement distributions by edge contrast
Characterisation of mmcp and cast aluminium alloys
X-ray tomography of aluminium foams and ti/sic composites
Simulation tool for x-ray imaging techniques
Micro focus computed tomography of aluminium foams
3d observation of grain boundary penetration in al alloys
Determination of local mass density distribution
Modelling porous materials evolution
Study of damage during superplastic deformation

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	PAPIER
Éditeur(s)	Hermès - Lavoisier
Auteur(s)	Workshop on the application of X-Ray tomography in material science
Parution	21/03/1970
Format	16 x 24
Couverture	Broché
Poids	320g
EAN13	9782746201156