caa a22 4500 463213084 CHVBK 20180405153147.0 cr unu---uuuuu 170326e20071201xx s 000 0 eng 10.1007/s00339-007-4214-3 doi (NATIONALLICENCE)springer-10.1007/s00339-007-4214-3 Extended defects in crystals: examples in powder processing for ancient cosmetics [Elektronische Daten] [J. Castaing, P. Walter, P. Veyssière] The article presents briefly the nature and the properties of extended defects in relation to the light they shed on the history of ancient objects and their conservation. Chemical reactions, phase transitions and plastic deformation of materials, which take place during the fabrication of objects, leave their imprints under the form of specific crystalline imperfections such as grain boundaries, twins and dislocations. Observations of the microstructure of objects from the cultural heritage can reveal many details about ancient civilisations and technologies. Besides optical microscopy, these observations rely on various dedicated techniques based on X-rays and electron microscopy to identify extended defects, viz. grain boundaries, twins, and dislocations. Defects due to powder processing of lead compounds have been studied recently. Such compounds have been used for centuries in the fabrication of cosmetics. Springer-Verlag, 2007 Castaing J. Centre de Recherche et de Restauration des Musées de France, CNRS UMR 171, 14 Quai François Mitterrand, 75001, Paris, France aut Walter P. Centre de Recherche et de Restauration des Musées de France, CNRS UMR 171, 14 Quai François Mitterrand, 75001, Paris, France aut Veyssière P. Laboratoire d'Étude des Microstructures, CNRS UMR 104, ONERA, BP 72, 92322, Chatillon Cedex, France aut Applied Physics A Springer-Verlag 89/4(2007-12-01), 865-869 0947-8396 89:4<865 2007 89 339 https://doi.org/10.1007/s00339-007-4214-3 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s00339-007-4214-3 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Castaing J. Centre de Recherche et de Restauration des Musées de France, CNRS UMR 171, 14 Quai François Mitterrand, 75001, Paris, France aut NATIONALLICENCE 700 1- Walter P. Centre de Recherche et de Restauration des Musées de France, CNRS UMR 171, 14 Quai François Mitterrand, 75001, Paris, France aut NATIONALLICENCE 700 1- Veyssière P. Laboratoire d'Étude des Microstructures, CNRS UMR 104, ONERA, BP 72, 92322, Chatillon Cedex, France aut NATIONALLICENCE 773 0- Applied Physics A Springer-Verlag 89/4(2007-12-01), 865-869 0947-8396 89:4<865 2007 89 339 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer