Fig. 10

Thickness distribution of the structure at different stage: (a) drawing process; (b) reverse SPF; (c) direct SPF (This figures were partially created with WPS 365 Education Edition 12.1, https://365.wps.cn/edu/home/).
Thickness distribution of the structure at different stage: (a) drawing process; (b) reverse SPF; (c) direct SPF (This figures were partially created with WPS 365 Education Edition 12.1, https://365.wps.cn/edu/home/).