North University of China - Shanxi Key Laboratory of Controlled Metal Solidification and Precision Manufacturing, North University of China - Shanxi Key Laboratory of Controlled Metal Solidification and Precision Manufacturing, affiliation not provided to SSRN, North University of China, North University of China - Shanxi Key Laboratory of Controlled Metal Solidification and Precision Manufacturing, North University of China, North University of China, North University of China - Shanxi Key Laboratory of Controlled Metal Solidification and Precision Manufacturing, North University of China - Shanxi Key Laboratory of Controlled Metal Solidification and Precision Manufacturing and North University of China - Shanxi Key Laboratory of Controlled Metal Solidification and Precision Manufacturing