Avoiding or Promoting Graphite in Carbon-Rich Chromium-Containing CoNiFer Cast Alloys—Part 2: Microstructures of the Elaborated Alloys

Table 3

Measured surface fractions of carbides and graphite and comparison with the volume fractions issued from the mass fractions calculated at 500°C [10]: case of the Fe-based alloys.

calc. vol.% and measured surf. %	Fe-xCr-3C			Fe-yCr-4C			Fe-zCr-5C
wt.% Cr	30	19.7	19.7 (meas.)	30	26.1	26.1 (meas.)	30	32.6	32.6 (meas.)
Carbides	34.8	23.6	24.6±1.7	46.7	31.3	36.2±3.2	35.6	38.9	47.8±0.9
Graphite	0	0	0	0	0	0	1.26	0	0