Table 3 Maximum strains at crack initiation \(\bar {\varepsilon }_{\text {init}}\) and at final fracture \(\bar {\varepsilon }_{\text {final}}\), and corresponding tool displacements, |U _y |_init [mm] and |U _y |_final [mm], respectively

\(\bar {\varepsilon }_{\text {init}}\)

1.7

1.7

3.0

1.1

1.2

1.4

0.7

0.6

0.6

1.3

|U _y |_init

2.0

2.0

4.0

1.8

2.1

2.8

1.2

1.6

1.1

1.8

\(\bar {\varepsilon }_{\text {final}}\)

2.6

3.7

3.2

4.1

2.8

1.8

2.1

2.9

2.4

1.5

|U _y |_final

2.6

3.2

4.6

3.0

2.8

3.0

1.8

2.3

1.7

1.8