^aAustralian Key Centre for Microscopy and Microanalysis, The University of Sydney, New South Wales 2006, Australia

^bARC Centre of Excellence for Design in Light Metals, The University of Sydney, New South Wales 2006, Australia

^cDepartment of Metallurgy and Materials Engineering, University of Indonesia, Kampus UI Depok 16424, Indonesia

^dDefence Metallurgical Research Laboratory, Kanchanbagh, Hyderabad 500 058, India

^eWescast Industries Inc., Brantford, ON, N3T 5L8, Canada