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Methodology for digital radiography simulation using the Monte Carlo code MCNPX for industrial applications

2007; Elsevier BV; Volume: 66; Issue: 5 Linguagem: Inglês

10.1016/j.apradiso.2007.11.004

1872-9800

Elizabeth Maria Feitosa da Rocha de Souza, Samanda Cristine Arruda Correa, A.X. Silva, Ricardo Tadeu Lopes, Davi Ferreira de Oliveira,

Advanced X-ray and CT Imaging

This work presents a methodology for digital radiography simulation for industrial applications using the MCNPX radiography tally. In order to perform the simulation, the energy-dependent response of a BaFBr imaging plate detector was modeled and introduced in the MCNPX radiography tally input. In addition, a post-processing program was used to convert the MCNPX radiography tally output into 16-bit digital images. Simulated and experimental images of a steel pipe containing corrosion alveoli and stress corrosion cracking were compared, and the results showed good agreement between both images.