Welding is one of the most commonly practiced fabrication techniques within manufacturing today. Of particular interest for this project, the manufacture of heavy vessels such as in the nuclear industry from ferritic and austenitic steels is dependent on high-quality welding of seams and joints to ensure component integrity and safety.
Currently, in order to minimise the need for rework of the welded seams and joints, costly, time-consuming, and potentially hazardous mid-manufacture radiography in a dedicated non-destructive test / evaluation (NDT/E) bay is used for NDT/E. Mid-manufacture inspection suffers from the need to allow the welded components to cool down, typically up to four hours, before transferring to the NDT/E bay.
The development of in-process welding NDT/E technologies is vital to underpin the safety of such components, but also provide a significant improvement in nuclear manufacturing productivity in terms of providing real time indication of defects or abnormalities and permitting immediate further investigation and if necessary corrective actions to be taken.
This project would involve developing an online electromagnetic (EM) inspection technique and associated instruments and sensors for welding process inspection. The project would provide the candidate with exposure to a range of skills including sensor, electronics and welding techniques.
CDT name: GREENCDT
The programme is funded by EPSRC, industrial partners and participating institutions