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Saito, Toru; Hayashi, Makoto*; Kobayashi, Shinsho*; Morii, Yukio
no journal, ,
In the manufacturer, residual stress has been evaluated by X-ray stress measurement or by FEM etc. Although neutron is the only one probe to measure the lattice strain nondestructively at the deep inside of materials, very few industrial users actually attempt the neutron diffraction method. The promotion program of technology transfer on neutron application has been implementing in Japan since 2006. The experiments executed in this program are the residual stress evaluation in the welded boiler tube and welded sample that imitates the stress measurement in the large structure etc. In addition, the possible application of the oscillation method to the neutron stress measurement in coarse polycrystalline materials was discussed.