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  • 2005-2009  (2)
  • 1980-1984  (2)
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  • 1
    Digitale Medien
    Digitale Medien
    Thermolumineszenz und Altersbestimmung (1980)
    Springer
    Naturwissenschaften 67 (1980), S. 216-226 
    Details
    ISSN: 1432-1904
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie , Allgemeine Naturwissenschaft
    Notizen: Abstract Only relatively few laboratories are actively engaged in thermoluminescence-dating of rocks and artifacts. Nearly all these laboratories combine the practical application with methodical developments, because thermoluminescence-dating is too complex in order to become a routine method in the near future. This article reviews the principles and new developments and the archaeological and geological applications of thermoluminescence-dating.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01054530
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Position Resolved Residual Stress Determination in Alumina-Zirconia Multilayered Ceramics (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 571-572 (Mar. 2008), p. 421-425 
    Details
    ISSN: 1662-9752
    Quelle: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Thema: Maschinenbau
    Notizen: Alumina-zirconia multilayered ceramics have been proposed as an alternative for thedesign of structural ceramics with improved fracture toughness and strength reliability. During theprocessing of these laminates, significant residual stresses may arise due to the thermal expansionmismatch between adjacent layers. The correct evaluation of such stress distribution in the laminatemay determine its range of application. In this work, the residual stress state in a layered materialdesigned with five thick alumina layers of approximately 650 microns alternated with four thinalumina-zirconia layers of approximately 140 microns was estimated using different methods. Afinite element analysis (FEM) was performed for stress evaluation in the bulk and an indentationmethod and X-Ray diffraction to account for stresses at the surface. Experimental findings show aconstant stress distribution within the bulk for each layer, while at the surface stress positiondependence is observed in the alumina layers, being the maximum tensile stresses near the layerinterface. The accuracy of the results provided by each technique is discussed
    Materialart: Digitale Medien
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/18/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.571-572.421.pdf
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    The New Materials Science Diffractometer STRESS-SPEC at FRM-II (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 524-525 (Sept. 2006), p. 211-216 
    Details
    ISSN: 1662-9752
    Quelle: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Thema: Maschinenbau
    Notizen: In response to the development of new materials and the application of materials andcomponents in new technologies the direct measurement, calculation and evaluation of textures andresidual stresses has gained worldwide significance in recent years. Non-destructive analysis forphase specific residual stresses and textures is only possible by means of diffraction methods. Inorder to cater for the development of these analytical techniques the new Materials ScienceDiffractometer STRESS-SPEC at FRM-II is designed to be equally applied to texture and residualstress analyses by virtue of its flexible configuration. The system compromises a highly flexiblemonochromator setup using three different monochromators: Ge (511), bent silicon (400) andpyrolitic graphite (PG). This range of monochromators and the possibility to vary the take-off anglesfrom 2θM = 35º to 110º allows wavelength adjustment such that measurements can be performedaround a scattering angle of 2θS ~ 90º. This is important in order to optimise neutron flux andresolution, especially for stress analysis on components, since the gauge volume element in that caseis cubic and large vertical divergences due to focusing monochromators do not affect the spatialresolution.The instrument is now available for routine operation and here we will present details of recentexperiments and instrument performance
    Materialart: Digitale Medien
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/13/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.524-525.211.pdf
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  • 4
    Digitale Medien
    Digitale Medien
    Blei und Silber im Altertum: Ein Beitrag der Archäometrie (1982)
    Weinheim : Wiley-Blackwell
    Chemie in unserer Zeit 16 (1982), S. 46-56 
    Details
    ISSN: 0009-2851
    Schlagwort(e): Chemistry ; Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Zusätzliches Material: 15 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/ciuz.19820160204
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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