1. Key Laboratory for Liquid‐Solid Structural Evolution and Processing of Materials (Ministry of Education)Shandong University Jinan Shandong 250061 China
2. Centre for Precision EngineeringSchool of Mechatronics EngineeringHarbin Institute of Technology Harbin 150001 China
3. Microcellular Plastics Manufacturing LaboratoryDepartment of Mechanical and Industrial EngineeringUniversity of Toronto Toronto Ontario M5S 3G8 Canada