Funding for this research was provided by:
Fundamental Research Funds for the Central Universities (YWF-19-BJ-J-94, YWF-19-BJ-J-94, YWF-19-BJ-J-94)
National Natural Science Foundation of China (51922017)
State Key Laboratory for Mechanical Behavior of Materials (20182003)
Article History
Received: 23 September 2019
Accepted: 17 March 2020
First Online: 9 July 2020
Competing interests
: The authors declare no competing interests.