1. Tianjin Key Laboratory of Advanced Joining Technology School of Materials Science and Engineering Tianjin University Tianjin 300072 P. R. China
2. Department of Engineering Science and Mechanics The Pennsylvania State University University Park PA 16802 USA
3. Institute of New‐Energy Materials School of Materials Science and Engineering Tianjin University Tianjin 300072 P. R. China
4. Department of Mining and Materials Engineering McGill University Montréal Québec H3A 0C5 Canada
5. Tianjin Key Laboratory of Composite and Functional Materials Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education) School of Materials Science and Engineering Tianjin University Tianjin 300072 P. R. China