1School of Mechanical Engineering, Nantong University, Nantong 226019, China
2Institute of Industrial Science (IIS), The University of Tokyo, Kashiwa 277-8574, Chiba, Japan
3School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, Wollongong, NSW 2522, Australia
4Brunel Centre for Advanced Solidification Technology (BCAST), Brunel University London, Uxbridge UB8 3PH, UK