2014
DOI: 10.1179/1879139514y.0000000162
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Neutron imaging of hydrogen in iron and steel

Abstract: Neutron radiography and tomography have been used for a time resolved in situ analysis and a 3D mapping of hydrogen diffusion in iron and steel. Samples were electrochemically charged with hydrogen and afterwards neutron transmission images were taken. Hydrogen diffusion coefficients in duplex stainless steel were determined at 623 K by measuring and comparing the sample's mean intensity with a hydrogen-free reference sample and subsequent normalisation to standards with known hydrogen content. In technical ir… Show more

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Cited by 7 publications
(1 citation statement)
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“…Thermal neutrons are usually used for NR imaging because most materials show higher attenuation for low energy neutrons. For this reason, thermal NR is the most popular NR NDT method used in many fields of research and industry such as security applications [1]- [9] medicine [10][11][12][13][14][15][16][17], material sciences [18][19][20][21][22][23][24][25][26][27][28][29], geology [30], archeology [31][32] etc. A suitable neutron beam is necessary in order to establish a thermal NR facility.…”
Section: Introductionmentioning
confidence: 99%
“…Thermal neutrons are usually used for NR imaging because most materials show higher attenuation for low energy neutrons. For this reason, thermal NR is the most popular NR NDT method used in many fields of research and industry such as security applications [1]- [9] medicine [10][11][12][13][14][15][16][17], material sciences [18][19][20][21][22][23][24][25][26][27][28][29], geology [30], archeology [31][32] etc. A suitable neutron beam is necessary in order to establish a thermal NR facility.…”
Section: Introductionmentioning
confidence: 99%