Neutron Fourier diffractometer FSD for residual stress studies in materials and industrial components

  • G. D. Bokuchava
  • A. M. Balagurov
  • V. V. Sumin
  • I. V. Papushkin


Neutron diffraction study of residual stresses in materials became widely used in the world due to high penetrating power of neutrons. Therefore, to study residual stresses, the FSD (Fourier stress diffractometer) was developed at the IBR-2 reactor channel (Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Dubna, Russia), which, due to a special correlation technique (a fast Fourier chopper for modulating the primary neutron beam intensity and the RTOF method for data acquisition) makes it possible to obtain high-esolution diffraction spectra Δd/d = 4 × 10-3. This diffractometer was developed taking into account world experience in the study of residual stresses in materials; experience in the development of such devices in Russia and abroad was also used. The FSD diffractometer itself and its current state are described.


Surface Investigation Neutron Technique Neutron Beam Gauge Volume Neutron Guide 
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Copyright information

© Pleiades Publishing, Ltd. 2010

Authors and Affiliations

  • G. D. Bokuchava
    • 1
  • A. M. Balagurov
    • 1
  • V. V. Sumin
    • 1
  • I. V. Papushkin
    • 1
  1. 1.Joint Institute for Nuclear ResearchDubna, Moscow oblastRussia

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