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Residual stress field determination in welds by means of X-ray, synchrotron and neutron diffraction Ermittlung des Schweißeigenspannungsfeldes mittels Röntgen-, Synchrotron- und Neutronenbeugungsverfahren

, , , , and . Materialwissenschaft und Werkstofftechnik, 42 (11): 996--1001 (2011)

Abstract

To what extent the welding residual stresses influence fatigue is still unclear and matter of debate. An important reason for this lack of clarity is that the exact determination of residual stress fields in welds is complicated which leads to conservative assumptions about these stresses in the fatigue design codes. The advances in the diffraction analysis of materials offer the opportunity for the full-field residual strain mapping in welds albeit at the cost of time and technical complexity. In this work residual stress field determination in welded S1100QL specimens by means of the x-ray, synchrotron and neutron diffraction techniques was…(more)

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