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Research project

High temperature failure processes in Ni base superalloys

Project overview

We are focussing on the role of environment and temperature on the fatigue failure mechanisms in Ni based turbine disc and blade alloys, comparing polycrystalline, single crystal and additively manufactured systems. We have a particular focus on understanding the micromechanisms of failure and how this links to key microstructural features and local processes

Staff

Lead researchers

Professor Philippa Reed

PROFESSOR OF STRUCTURAL MATERIALS

Research interests

  • Fatigue processes in additively manufactured high performance alloys
  • High temperature oxidation and creep fatigue processes in nickel based turbine disc and blade alloys
  • Fatigue mitigation and prediction approaches in turbine blades
Connect with Philippa

Email: P.A.Reed@soton.ac.uk

Dr Andrew Hamilton

Associate Professor
Connect with Andrew

Email: A.R.Hamilton@soton.ac.uk

Collaborating research institutes, centres and groups

Research outputs

Strain accumulation and fatigue crack initiation at pores and carbides in a SX superalloy at room temperature
R. Jiang, D.J. Bull, A. Evangelou, A. Harte, F. Pierron, I. Sinclair, M. Preuss, X.T. Hu & P.A.S. Reed, 2018, International Journal of Fatigue, 114, 22-33
DOI: 10.1016/j.ijfatigue.2018.05.003
Type: article
Role of oxygen in enhanced fatigue cracking in a PM Ni-based superalloy
R. Jiang, D. Proprentner, M. Callisti, B. Shollock, X.T. Hu, Y.D. Song & P.A.S. Reed, 2018, Corrosion Science, 139, 141-154
DOI: 10.1016/j.corsci.2018.05.001
Type: article
Oxidation behaviour of single crystal nickel-based superalloys
A. Evangelou, K.A. Soady, S. Lockyer, N. Gao & P.A.S. Reed, 2018, Materials Science and Technology (United Kingdom), 1-14
DOI: 10.1080/02670836.2018.1471436
Type: article
Effects of oxygen-related damage on dwell-fatigue crack propagation in a P/M Ni-based superalloy: From 2D to 3D assessment
Rong Jiang, Daniel Bull, D. Proprentner, B. Shollock & Philippa Reed, 2017, International Journal of Fatigue, 99, 175-186
DOI: 10.1016/j.ijfatigue.2017.03.003
Type: article