1. School
of Materials Science and Engineering, UNSW Australia, Kensington, New South Wales 2052, Australia
2. BlueScope Steel, Port Kembla, New South Wales 2505, Australia
3. School of Mechanical, Materials & Mechatronic Engineering, University of Wollongong, Wollongong, New South Wales 2522, Australia
4. BHP Billiton, Brisbane, Queensland 4000, Australia