1. School of Materials Science and Engineering Shanghai University Shanghai 200444 P. R. China
2. Zhejiang Key Laboratory of Additive Manufacturing Materials Ningbo Institute of Materials Technology & Engineering Chinese Academy of Sciences Ningbo 315201 P. R. China
3. Division of Physical Sciences and Engineering King Abdullah University of Science and Technology Thuwal 23955‐6900 Kingdom of Saudi Arabia
4. Technology Center of Ningbo Customs Ningbo 315103 P. R. China