Table 3.

The experimental design for SPIF of bimetallic sheets.

Drawpiece No.	Step Size Δz, [mm]	Wall Angle, [°]	Layer Arrangement	Tool Rotational Speed, [RPM]	Table Feed Rate, [mm/min]
1	0.5	45.0	Al	600	100
2	0.5	45.0	Cu
3	0.6	50.2	Al
4	0.6	50.2	Cu
5	0.7	54.5	Al
6	0.7	54.5	Cu
7	0.8	58.0	Al
8	0.8	58.0	Cu
9	0.9	61.0	Al
10	0.9	61.0	Cu
11	1.0	63.4	Al
12	1.0	63.4	Cu
13	1.1	65.6	Al
14	1.1	65.6	Cu
15	1.2	67.4	Al
16	1.2	67.4	Cu