Table 1 Properties of the employed materials

Geometry (thickness in mm)

1 to 1.5

1 to 1.5

Chemical composition

Fe = 0.5 Cu = 0.1 Si = 0.5

C = 0.3

Mn = 0.4 Mg = 0.6 to 1.2

Si = 0.25

Cr = 0.25 Zn = 0.2 Ti = 0.1

Mn = 0.8

Al = balance

P = 0.04

Hardness

HBN_{(2.5/62.5/30)} = 60

HV = 170

Yield strength (MPa)

224

590