Parameters Controlling the Oxide Reduction during Sintering of Chromium Prealloyed Steel

Table 6

Effect of atmosphere purity and cooling rate on oxygen and carbon contents in AstCrM + 0.5% C material sintered at 1120°C for 30 min in relation to density.

Density level (g/cm^3)	Atmosphere purity	Cooling rate (°C/min)	O2 (%)	C (%)	𝑅FR (MPa)
6.5	6.0	50	0.070	0.425	680
		10	0.095	0.41	559
	5.0	50	0.098	0.42	640
		10	0.114	0.41	466
6.8	6.0	50	0.090	0.43	788
		10	0.100	0.41	642
	5.0	50	0.097	0.42	754
		10	0.118	0.41	566
7.1	6.0	50	0.125	0.43	948
		10	0.142	0.42	801
	5.0	50	0.133	0.43	929
		10	0.142	0.42	729