Crack Paths 2009

30000

30000

m25000 ]

25000

[mN20000

Pb0%‐60sec‐30°

Sn0%‐60sec‐30° 3 ‐ s 0° 8

125050000

1505000

Pb 0.1%‐ 60 sec ‐ 30° 5

a)

b)

0 0 5 10 15 20 25 30 35 40 Bending angle [°] Sn 12%‐60sec‐30

0 0 5 10 15 20 25 30 35 40 Pb 1%‐60 sec‐30°

Bending angle [°]

Figure 3. Influence of alloy components in the bath on bending strenght: a) influence of

Sn [12], b) influence of Pb [6].

Sn [%] Thick ess δ+ξ +η

10 100

67890

Thicknessδ

Thicknessξ

m ]

[ % ]

123456780 0

5

10

15

Thickness η

50

40

30

20

0

0.5

1

1.5

Sn[%]

a)

b)

100

67890

0,5

1,5

123456780 0

Pb [%]

1

Thickness δ+ξ+η

10

Thickness δ

Thicknessξ

[ % ]

Thickness η

50

40

30

20

0

0.5

1

1.5

Pb [%]

c)

d)

Figure 4. Bath chemical composition influence on coatings thickness and on

intermetallic phases: a) and b) Sn influence, c) and d) Pb influence.

596