Full 3D spatially resolved mapping of residual strain in a 316L austenitic stainless steel weld specimen

A three-pass slot weld specimen in austenitic stainless steel 316L, manufactured for the purpose of benchmarking Finite Element weld residual stress simulation codes, is currently undergoing extensive characterization within a research network. A comprehensive data set from non-destructive full thre...

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Published in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2010-07, Vol.527 (18-19), p.4779-4787
Main Authors: Martins, R.V., Ohms, C., Decroos, K.
Format: Article
Language:English
Subjects:
Applied sciences
Austenitic stainless steel
Austenitic stainless steels
Beads
Exact sciences and technology
Joining, thermal cutting: metallurgical aspects
Mapping
Metals. Metallurgy
Plastic deformation
Residual stresses
Spiral slit technique
Spirals
Strain
Stresses
Synchrotron X-ray diffraction
Three dimensional
Welded joints
Welding
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cited_by cdi_FETCH-LOGICAL-c428t-31eac5941da64d83e0d3243b3ef8a7d573a4dc1db43c36cca9458678dc41b6193
cites cdi_FETCH-LOGICAL-c428t-31eac5941da64d83e0d3243b3ef8a7d573a4dc1db43c36cca9458678dc41b6193
container_end_page 4787
container_issue 18-19
container_start_page 4779
container_title Materials science & engineering. A, Structural materials : properties, microstructure and processing
container_volume 527
creator Martins, R.V.
Ohms, C.
Decroos, K.
description A three-pass slot weld specimen in austenitic stainless steel 316L, manufactured for the purpose of benchmarking Finite Element weld residual stress simulation codes, is currently undergoing extensive characterization within a research network. A comprehensive data set from non-destructive full three-dimensional spatially resolved macro-strain mapping in this specimen is presented here. Focussed high-energy synchrotron radiation together with the spiral slit technique was used to obtain depth-resolved information about the variation of lattice parameters. A novel full-pattern analysis approach, based on the evaluation of distinct diffraction spots from individual grains, was developed. The results show high tensile transverse stresses within the bead deposited first. The maximum longitudinal stresses were found beneath the slot. Furthermore significant weld start- and stop-effects were observed. The validity of the results is discussed with respect to the possible impact of intergranular strains due to plastic deformation.
doi_str_mv 10.1016/j.msea.2010.03.110
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ispartof Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2010-07, Vol.527 (18-19), p.4779-4787
issn 0921-5093
1873-4936
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source Elsevier
subjects Applied sciences
Austenitic stainless steel
Austenitic stainless steels
Beads
Exact sciences and technology
Joining, thermal cutting: metallurgical aspects
Mapping
Metals. Metallurgy
Plastic deformation
Residual stresses
Spiral slit technique
Spirals
Strain
Stresses
Synchrotron X-ray diffraction
Three dimensional
Welded joints
Welding
title Full 3D spatially resolved mapping of residual strain in a 316L austenitic stainless steel weld specimen
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