Journal
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY
Volume 231, Issue -, Pages 456-467Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jmatprotec.2016.01.020
Keywords
Microstructural characterization; Neutron diffraction; Heat input; Residual stress; Pass sequence
Funding
- EP-CRC
- APIA-RSC
- Australian Nuclear Science and Technology Organization (ANSTO) facilities access award [DB3728]
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Higher levels of residual stresses in excess of yield strength of the both weld and parent metals were developed within the upper-layers of the modified short arc and flux cored arc welding combination of HSLA steel. The magnitude of the residual stresses was significantly reduced by increasing the heat input. High level of residual stresses was found to be correlated with the existing of microstructural constituents of bainite and Widmanstatten ferrite in the weld metal and HAZ of low heat input specimens. There was no substantial difference in the magnitude of the residual stresses, microstructural characteristics and mechanical properties when the direction of weld deposition was changed. (C) 2016 Elsevier B.V. All rights reserved.
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