Neutron Measurements of Residual Stresses at Reactor IR-8 of NRC “Kurchatov Institute”

The principles of neutron diffraction method for residual strain/stress measurements in polycrystalline materials and components are described. The main technical characteristics of neutron diffractometer for residual stress measurements STRESS, installed at the horizontal beam port of research reactor IR-8 at NRC “Kurchatov institute” are presented. Some examples of stress measurements using the diffractometer STRESS are reported. 
Keywords: diffraction, neutron diffractometer, neutron monochromator, strain, residual stresses