TY - JOUR A1 - Griesche, Axel A1 - Dabah, Eitan A1 - Kannengießer, Thomas A1 - Hilger, A. A1 - Kardjilov, N. A1 - Manke, I. A1 - Schillinger, B. T1 - Measuring hydrogen distributions in iron and steel using neutrons T2 - Physics Procedia N2 - Neutron tomography has been applied to investigate the mechanism of hydrogen assisted cracking in technical iron and supermartensitic steel. Rectangular technical iron block samples showed blistering due to intense hydrogen charging and the tomographic method revealed in situ the spatial distribution of hydrogen and cracks. Hydrogen accumulated in a small region around cracks and the cracks are filled with hydrogen gas. Cracks close to the surface contained no hydrogen. Hydrogenous tensile test samples of supermartensitic steel were pulled until rupture and showed hydrogen accumulations at the notch base and in the plastically deformed region around the fracture surface. PB - Elsevier B.V. CY - Amsterdam T2 - 10th World Conference on Neutron Radiography (WCNR) CY - Grindelwald, Switzerland DA - 05.10.2014 PY - 2015 UR - https://opus4.kobv.de/opus4-bam/frontdoor/index/index/docId/34802 AN - OPUS4-34802 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-348022 SN - 1875-3892 VL - 69 SP - 445 EP - 450 AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany