Towards Friction Stir Remanufacturing of High-Strength Aluminum Components
Xiangchen Meng, Yuming Xie, Xiaotian Ma, Mingyang Liang, Xiaoyang Peng, Shiwei Han, Lei Kan, Xin Wang, Sihao Chen, Yongxian Huang
Table 3
Nomenclature
Symbols
Parameters
Annotation
R
Radius of the hole exposed to the plate surface
Known
r
Radius of the hole bottom
Known
h
Depth of the hole
Known
l
Generatrix length of the hole
Known
R
+ Δ
R
Radius of the pin root
Unknown
r
+ Δ
r
Radius of the pin top
Unknown
h
+ Δ
h
Height of the pin
1 mm greater than h
s
Distance between the initial contact location to the pin top
Determined by Pin 3
Δ
V
Volume difference of the pin and the hole
Expressed by Δ
r
and Δ
R
S
truncated cone lateral area of the hole
Calculated by
r
,
R
and
l