An Fe-0.1C-1.01Mn-0.24Si-0.76Cr-0.034Nb-0.037Al-0.0076N-0.0014O-0.002S-0.004P wt% steel, austentised at 870°C for 10 minutes and air cooled. The average cooling rate over the temperature range 800-500°C was 0.63°C s-1. Charpy tests were conducted at ambient temperature.
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The following fractographs are from the same steel, but heated 1000°C and immediately air cooled.
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| Superalloys | Titanium | Davenport | Hot | Delta |
| Satoh | Fields | Piping | Seamless | Poles |
| Neural Networks | Creep | Extraordinary ductility | Problems | Low temperatures |
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