ISIS Neutron and Muon Source Data Journal

Multi-scale characterisation of residual stress in laser welded EUROFER97 using neutron diffraction and PFIB-DIC methods

Abstract: To facilitate Remote Maintenance (RM) of demonstration fusion plant, the RM teams at Culham Centre for Fusion Energy (CCFE) utilise lasers to join EUROFER97 components. Understanding the residual stresses inherited from the rapid welding process, and how this stresses evolve at elevated temperature, plays a pivotal role in avoiding catastrophic failure regarding the structural integrity of fusion power plant. The current proposed study aims to (i) characterise both micro and macro residual stress in laser welded EURFOER97 (ii) investigate the effect of annealing duration on residual stress relaxation to guide the post weld heat treatment processing. The correlation of residual stresses with microstructure and mechanical properties of welded EUORFER97 will be also preformed. This project is funded by Surrey Doctoral College Studentship in collaboration with CCFE.

Principal Investigator: Dr Yiqiang Wang
Local Contact: Dr Joe Kelleher
Experimenter: Dr Mark Whiting
Experimenter: Dr Michael Gorley
Experimenter: Dr Bin Zhu
Experimenter: Dr Saurabh Kabra
Experimenter: Dr Tan Sui
Experimenter: Dr Jingyi Mo

DOI: 10.5286/ISIS.E.RB1920438

ISIS Experiment Number: RB1920438

Publisher: STFC ISIS Neutron and Muon Source

Data format: RAW/Nexus
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Data Citation

The recommended format for citing this dataset in a research publication is as:
[author], [date], [title], [publisher], [doi]

For Example:
Dr Yiqiang Wang et al; (2019): Multi-scale characterisation of residual stress in laser welded EUROFER97 using neutron diffraction and PFIB-DIC methods, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB1920438

Data is released under the CC-BY-4.0 license.