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Magnetostrictive 4D printing for aircraft damage monitoring and repair

  • Full or part time
  • Application Deadline
    Friday, June 21, 2019
  • Funded PhD Project (European/UK Students Only)
    Funded PhD Project (European/UK Students Only)

Project Description

The project aims to use additive layer manufacturing to develop 4D magnetostrictive structures for use in structural health monitoring of carbon fibre composites. This will involve investigating a selection of different magnetostrictive materials to determine which has the potential to be taken forward for 3D printing of different structures. Different structures will be designed, fabricated and characterised to develop 3D magnetostrictive structures and understand how the processing changes the structural, mechanical and functional properties. From this the potential to detect impact damage on carbon fibre composites will be explored.

The magnetostrictive powders will be fabricated using new powder processing facilities at the Department’s Royce Translational Centre (including gas atomisation, powder milling and plasma spheroidisation). The 3D structures will be produced using the Bound Metal Deposition™ benchtop system, based in the Henry Royce Institute (HRI).

The characterisation techniques will include using the new SQUID/VSM magnetometer (HRI funded; ±7T magnetic field) to measure temperature-dependent magnetic properties, electron microscopy techniques (SEM, EDX, EBSD), and X-ray diffraction to measure the crystal structure, microstructure and element distributions of the powders and the 3D printed structures. While the mechanical properties will be tested using 3-point bending and tensile tests.

The project is supported by DSTL and is in collaboration with Dr Bohdan Kundys at the Institute of Physics and Chemistry of materials, joint research unit of Strasbourg University and CNRS, France. The PhD will include 6 months placement in Strasbourg.

Funding Notes

This studentship will pay tuition fees in full and a stipend for living expenses for 3 years. This stipend will be at the RCUK minimum which for the 2019/20 academic year is £15,009pa.

Funding covers home tuition fees and annual maintenance payments of at least the Research Council minimum for eligible UK and EU applicants. EU nationals must have lived in the UK for 3 years prior to the start of the programme to be eligible for a full award (fees and stipend).

Related Subjects

How good is research at University of Sheffield in Electrical and Electronic Engineering, Metallurgy and Materials?
Materials Science and Engineering

FTE Category A staff submitted: 34.80

Research output data provided by the Research Excellence Framework (REF)

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