NDLI: Evaluation of Residual Stresses in the Bulk of Materials by High Energy Synchrotron Diffraction

Content Provider	Springer Nature Link
Author	Reimers, W. Broda, M. Brusch, G. Dantz, D. Liss, K. D. Pyzalla, A. Schmackers, T. Tschentscher, T.
Copyright Year	1998
Abstract	High energy synchrotron diffraction is introduced as a new method for residual stress analysis in the bulk of materials. It is shown that energy dispersive measurements are sufficiently precise so that strains as small 10$^{−4}$ can be determined reliably. Due to the high intensity and the high parallelism of the high energy synchrotron radiation the sample gauge volume can be reduced to approximately 50 μm × 1 mm × 1 mm compared to gauge volume of one mm$^{3}$ up to several mm$^{3}$ achievable by neutron diffraction. The benefits of the high penetration depth and the small gauge volume are demonstrated by the results of stress studies performed on a fiber reinforced ceramic, a functional gradient material and a metal–ceramic compound. Furthermore, it is shown that in case of a cold extruded metal specimen the energy dispersive measurement technique yields simultaneous information about texture and residual stresses and thus allows a detailed investigation of elastic and plastic deformation gradients.
Starting Page	129
Ending Page	140
Page Count	12
File Format	PDF
ISSN	01959298
Journal	Journal of Nondestructive Evaluation
Volume Number	17
Issue Number	3
e-ISSN	15734862
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	1998-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Characterization and Evaluation Materials Mechanics Vibration, Dynamical Systems, Control Civil Engineering
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Mechanical Engineering

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