13th International Conference on Fracture June 16–21, 2013, Beijing, China -5- 0 10 20 30 40 50 60 70 80 1,E-07 1,E-05 1,E-03 1,E-01 A[%] Strain rate [s-1] RT A 650°C A 700°C A Figure 2. Influence of a) strain rate on ductility (A) and b) tensile stress (Rm) levels for Alloy 617. Figure 3. ECCI imaging of AISI 316L deformed to 46% strain, at a strain rate of 10-6/s and 700°C, a) slip bands (SB) with two different directions interacting with precipitates, b) magnification of damage or probable future damage due to interaction between precipitate and slip bands, c) other location with slip bands and nano-twins interacting with precipitates and d) magnification of damage or probable future damage due to interaction between slip bands, nano-twins and precipitate. It is the same load direction in all the pictures. 400 450 500 550 600 650 700 750 1,E-07 1,E-05 1,E-03 1,E-01 Tensile stress [MPa] Strain rate [s-1] RT Rm 650°C Rm 700°C Rm Precipitate Precipitat e Nano-twin Damage Precipitate Damage SB SB SB SB SB SB SB SB SB a) b) c) d) Load direction 1 μm 250 nm 2 μm 150 nm a) b)
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