Browsing by Author "Willis, A"

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    Neutron diffraction strain tomography: demonstration and proof-of-concept
    (AIP Publishing LLC., 2020-01-03) Gregg, AWT; Hendriks, JN; Wensrich, CM; Luzin, V; Willis, A
    Recently, a number of reconstruction algorithms have been presented for residual strain tomography from Bragg-edge neutron transmission measurements. In this paper, we examine whether strain tomography can also be achieved using diffraction instruments. We outline the proposed method and develop a suitable reconstruction algorithm. This technique is demonstrated in simulation, and a proof-of-concept experiment is carried out, where the strain field in an axisymmetric sample is reconstructed and validated using conventional diffraction strain scans. © 2020 AIP Publishing LLC.