Applications of TOF neutron diffraction in archaeometry

Kockelmann, W.; Siano, Salvatore; Bartoli, Laura; Visser, D.; Hallebeek, P.; Traum, R.; Linke, Robert; Schreiner, Manfred; Kirfel, Α.

doi:10.1007/s00339-006-3503-6

Cited by 55 publications

(37 citation statements)

References 20 publications

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“…Nous avons vu qu'il est maintenant possible d'effectuer des expériences dans une large gamme temporelle puisque les temps d'acquisition peuvent aller d'une fraction de seconde à l'heure. Signalons le caractère non destructif de la diffraction neutronique qui en fait un outil de choix lorsque l'objet à étudier ne doit pas être altéré, et en particulier pour les études d'objets archéologiques, cet aspect est plus largement traité dans les références suivantes [4,52]. Les études in situ ont d'abord été initiées dans les sources continues (réacteur de l'ILL en particulier), elles sont maintenant aussi possible sur certaines sources à spallation comme sur l'instrument GEM à ISIS.…”

Section: Resultsunclassified

Études structurales par diffraction neutroniquein situet ou en temps réel

Isnard

2008

Études Structurales Par Diffraction Des Neutrons

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Abstract. Thanks to their ability to probe deep into matter, neutrons can be very useful to investigate bulk material. This can be particularly useful to investigate in situ structural changes and/or reaction processes. Several examples are given to illustrate the possible applications of in situ neutron diffraction: crystallisation process of amorphous phase, investigation of structural or magnetic phases transitions and study of chemical reactions. Some examples of real time studies are also presented and the time scale accessible given.Résumé. Le caractère pénétrant des neutrons dans la matière facilite leur utilisation pour sonder la structure atomique des matériaux massifs. Plusieurs diffractomètres de neutrons permettent de plus d'étudier in situ des transformations structurales et/ou processus réactionnels ayant lieu dans le matériau étudié. Divers champs d'applications sont illustrés au travers d'exemples allant de la cristallisation de matériaux amorphes au suivi de transition de phases structurales, magnétiques ou à l'étude de réaction chimique ou processus industriel. Enfin des exemples d'études en temps réel sont présentées soulignant leur fort potentiel et en précisant les limites actuelles et en précisant les échelles de temps accessibles.

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Section: Resultsunclassified

Études structurales par diffraction neutroniquein situet ou en temps réel

Isnard

2008

Études Structurales Par Diffraction Des Neutrons

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“…The ENGIN-X beamline has successfully been used to investigate strain, phase composition in various structures of historical [30][31][32]36] and archaeological [33][34][35] samples.…”

Section: Investigations Of Historical Samplesmentioning

confidence: 99%

Modern and Historical Engineering Components Investigated by Neutron Diffraction on ENGIN-X

Paradowska

Tremsin

Kelleher

et al. 2012

JMMP

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The ENGIN-X beamline is mainly used to determine residual strains/stresses deep within the interior of bulk engineering components. It is mainly used by scientists and engineers for the development of modern engineering processes and structural integrity investigations. ENGIN-X diffraction and transmission mode can be a very useful tool to measure strain, phase transitions, texture and material composition in spatial resolution in historical or archaeological artifacts and modern materials. The complexity of the shapes and sizes of the samples measured on ENGIN-X varies significantly between experiments, and this required the development of better planning, simulation and control software, SScanSS. In this paper an overview of recent developments in strain scanning on ENGIN-X and a highlight of current scientific research are presented.

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“…The beam-line was successfully used to investigate various structures of archaeological samples. [8][9][10] Neutron diffraction provides information on the crystalline phase composition of the alloy, the microstructure, strains, and the crystallographic texture, all of which can be related to the manufacturing and working conditions of the investigated object.…”

Section: Methodsmentioning

confidence: 99%

Non destructive neutron diffraction measurements of cavities, inhomogeneities, and residual strain in bronzes of Ghiberti’s relief from the Gates of Paradise

Festa¹,

Senesi²,

Alessandroni³

et al. 2011

Journal of Applied Physics

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Quantitative neutron studies of cultural heritage objects provide access to microscopic, mesoscopic, and macroscopic structures in a nondestructive manner. In this paper we present a neutron diffraction investigation of a Ghiberti Renaissance gilded bronze relief devoted to the measurement of cavities and inhomogeneities in the bulk of the sample, along with the bulk phase composition and residual strain distribution. The quantitative measurements allowed the determination of the re-melting parts extension, as well as improving current knowledge about the manufacturing process. The study provides significant and unique information to conservators and restorators about the history of the relief.

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Applications of TOF neutron diffraction in archaeometry

Cited by 55 publications

References 20 publications

Études structurales par diffraction neutroniquein situet ou en temps réel

Études structurales par diffraction neutroniquein situet ou en temps réel

Modern and Historical Engineering Components Investigated by Neutron Diffraction on ENGIN-X

Non destructive neutron diffraction measurements of cavities, inhomogeneities, and residual strain in bronzes of Ghiberti’s relief from the Gates of Paradise

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