Fatigue Crack Paths 2003

-6

10

R = 0.5

50

-7

101-010-098

10

7 0 %3 1 6 L H +C 3 0 %434 LHC; ρ = 6.89 g/cm3

7 0 %3 1 6 L H +C 3 0 %434LHC; ρ = 7.12 g/cm3

6 0 %3 1 6 L H +C 4 0 %434LHC; ρ = 7.14 g/cm3

Δ K [MPam 1/2 ]

3

Figure 4. Fatigue crack propagation results for the investigated sintered duplex stainless

steels (R = 0.5).

10 -6

R = 0.75

-7

101-010-098

10

3

7 0 %3 1 6 L H C+ 3 0 %434LHC; ρ = 6.89 g/cm3

7 0 %3 1 6 L H C+ 3 0 %434 LHC; ρ = 7.12 g/cm3

6 0 %3 1 6 L H C+ 4 0 %434LHC; ρ = 7.14 g/cm3

50

Δ K [MPam1/2]

Figure 5. Fatigue crack propagation results for the investigated sintered duplex stainless

steels (R = 0.75).