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Cover Designers

Xi-Jun Liu
Zi-Mo Peng
Tong Hou
State Key Laboratory of Featured
Metal Materials and Life-cycle Safety
for Composite Structures, Guangxi Key
Laboratory of Processing for Non-ferrous
Metals and Featured Materials,
School of Resources, Environment
and Materials, Guangxi University,
Nanning 530004, Guangxi, China
E-mail: xjliu@gxu.edu.cn
18944614368@163.com
houtong3393@163.com