Professor Helen Davies

Professor Helen Davies

Professor, Materials Science and Engineering

Telephone number

+44 (0) 1792 602511

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About

The “High Integrity Joining Team” was formed in 2015 within the Institute of Structural Materials at Swansea University and is led by Dr Helen Davies with support from a Senior Post-Doctoral Research Officer and four PhD students.

Most recently, the team, have progressed the technique and application of powder interlayer bonding (PIB), a joining technique developed at the ISM. Alloys studied include Ti-64, Ti 6246, titanium aluminides and various nickel super alloys.

PIB is a novel joining technique providing high integrity joints at relatively low cost, providing opportunities to salvage and repair otherwise redundant components.  The PIB technique utilises a metallic powder interlayer between the two faying surfaces, eliminating surface asperities and reducing the dependency of the bonding process on smooth surface finish. The process utilises inert gas shielding to protect the fusion zone from oxidation during bonding. Heating in the example offered in this work is provided by induction, which is an efficient method of heating metals such as titanium.

Areas Of Expertise

  • Titanium alloys
  • Nickel superalloys
  • Nickel Manufacture
  • Grain Boundary Engineering
  • Semi-solid forming
  • Additive Layer Manufacturing
  • Metals Casting
  • Failure Analysis (Metals)

Career Highlights

Teaching Interests

Metal Manufacturing, Casting, Semi-solid metal forming

Research Collaborations