1. State Key Laboratory of Solidification Processing; Northwestern Polytechnical University; Xi'an Shaanxi 710072 China
2. Science and Technology on Thermostuctural Composite Materials Laboratory; Northwestern Polytechnical University; Xi'an Shaanxi 710072 China
3. State Key Laboratory of Luminescence and Applications; Changchun Institute of Optics, Fine Mechanics and Physics; Chinese Academy of Sciences; Changchun China
4. Department of Materials Science and Engineering; Advanced Materials Processing and Analysis Center; University of Central Florida; Orlando Florida 32816