Table 5: Effect of heating and cooling rates on oxygen and carbon contents and fracture strength of AstCrM + 0.5% C material sintered at 1120 and 1200°C in relation to density.

Density level (g/cm3)Sintering temperature (°C)Heating/cooling rate (°C /min)O2 (%)C (%) (MPa)

6.5112010/100.1140.41466
50/100.1170.41552
10/500.0980.42640
50/500.1100.415562
120010/100.0610.36538
10/500.0250.37838

6.8112010/100.1180.41566
50/100.1200.41620
10/500.0970.42754
50/500.1080.42929
120010/100.0760.35725
10/500.0270.37945

7.1112010/100.1420.42719
50/100.1450.43720
10/500.1330.43929
50/500.1080.42889
120010/100.0880.38894
10/500.0680.38966