Characterisation of an Advanced Nickel Based Superalloy Post Cold Work by Swaging

Cylindrical bars of the advanced nickel based superalloy RR1000 were subjected to swaging to induce approximately 30% cold work. Grain size analysis demonstrated a distinct modification to the microstructure whilst electron back scattered diffraction (EBSD) measurements confirmed the evolution of a relatively strong <111> texture parallel with the longitudinal bar axis. Intragranular strain damage was identified. The effects of the swaging on bulk mechanical properties are illustrated across a range of test temperatures.


Martin R. Bache 1,James O’Hanlon 1,Philip J. Withers 2, Daniel J. Child 3 andMark C. Hardy 3

1 Institute of Structural Materials, Swansea University, Bay Campus, Fabian Way, Swansea SA1 8EN, UK
2 School of Materials, University of Manchester, Oxford Rd, Manchester M13 9PL, UK3 Rolls-Royce plc, P.O. Box 31, Derby DE24 8BJ, UK

Metals 2016, 6(3), 54; doi:10.3390/met6030054