Specimen no.

Visual inspection

Metallographic analysis

Lap shear test

Length of the weld seam

[mm]

Width of the weld seam

[mm]

Aluminium sheet thickness after welding [mm]

(original thickness: 1 mm)

Failure position

Absolute value of the maximum transferable force in the lap shear test [kN]

Maximum transferable force/specimen width [N/mm]

Average of the 3 lap shear specimens

Average of the 3 lap shear specimens

1

173.4

1.1

0.9

In the joint

4.6

102.2

2

174.8

3.3

1.0

In the aluminium base material

5.3

117.8

3

168.5

4.8

0.8

In the aluminium base material

4.4

97.8

4

168.8

3.8

1.0

In the aluminium base material

5.2

115.6

5

165.2

2.3

0.7

In the aluminium base material

4.1

91.1

6

176.4

4.4

1.0

In the aluminium base material

5.1

113.3

7

175.9

1.4

1.0

In the joint

5.1

113.3

8

176.6

4.0

1.0

In the aluminium base material

5.3

117.8

9

172.6

3.8

0.8

In the aluminium base material

4.7

104.4

10

171.2

5.9

0.7

In the aluminium base material

4.2

93.3

11

167.9

4.9

0.5

In the aluminium base material

2.6

57.8

12

168.9

3.2

1.0

In the aluminium base material

5.2

115.6

13

177.8

4.2

0.9

In the aluminium base material

5.2

115.6

14

182.0

4.4

1.0

In the aluminium base material

5.3

117.8

15

173.9

4.3

1.0

In the aluminium base material

5.2

115.6

16

174.8

6.1

1.0

In the aluminium base material

5.2

115.6

17

174.4

5.2

0.6

In the aluminium base material

3.8

84.4

18

171.8

5.0

1.0

In the aluminium base material

5.1

113.3