1. State Key Laboratory of Solidification processing; Northwestern Polytechnical University; West Youyi Rd., No. 127 Xi'an Shaanxi 710072 China
2. Science and Technology on Thermostructure Composite Materials Laboratory; Northwestern Polytechnical University; West Youyi Rd., No. 127 Xi'an Shaanxi 710072 China
3. Department of Mechanical Engineering; The University of Auckland; 20 Symonds Street Auckland New Zealand