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Growth of a single crystal and characterisation towards optimising ultrasonic inspection of austenitic welds

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  • Full or part time
    Dr C Nageswaran
  • Application Deadline
    Applications accepted all year round
  • Funded PhD Project (Students Worldwide)
    Funded PhD Project (Students Worldwide)

About This PhD Project

Project Description

Inspection of austenitic welds in stainless steels and nickel alloys is a critical area of activity for both the nuclear and oil & gas industries, and also the aerospace industry in niche areas.

The solidification of the weld leaves an inhomogeneous anisotropic weld which adversely affects inspection performance – primarily in characterisation of the flaw type, its positioning within the weld and sizing. Work done to date has made significant advances in detection performance through the use of twin-crystal phased array probes in transmit-receive longitudinal (TRL) configuration. However, sizing and characterisation of the detected flaws is key to decision making in nuclear power plants and oil & gas components.

TWI has made advances in addressing this issue and this PhD will take forward those concepts to aid in developing a viable inspection system for austenitic welds.

A number of fully-funded PhD scholarships are available for suitable candidates with a strong interest in fundamental and applied research in the area of structural integrity. Scholarships cover an amount to £16,000 per annum for 3 years, Home/EU tuition fees and support for research. Overseas applicants are welcomed, with total funding capped at £20k/year.

Candidates should have a relevant degree at 2.1 minimum, or an equivalent overseas degree in mechanical, Electrical/Electronics or Civil/Structural Engineering, Material Science, Metallurgy or Physics. Candidates with suitable work experience and strong capacity in numerical modelling and experimental skills are particularly welcome to apply. Overseas applicants should also submit IELTS results (minimum 6.5) if applicable.

To apply, please send your CV and transcript of university study, with a cover letter specifying your interest and research topic to the following email address: [Email Address Removed]
Please direct general enquiries to: [Email Address Removed]

NSIRC will be a state-of-the-art postgraduate engineering facility established and managed by structural integrity specialist TWI, working closely with lead academic partner Brunel University, the universities of Cambridge, Manchester, Loughborough, Birmingham, Leicester and a number of leading industrial partners. NSIRC aims to deliver cutting edge research and highly qualified personnel to its key industrial partners.

For more information about The National Structural Integrity Research Centre, visit

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