Parameters Controlling the Oxide Reduction during Sintering of Chromium Prealloyed Steel

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/cm^3)	Sintering temperature (°C)	Heating/cooling rate (°C /min)	O2 (%)	C (%)	𝑅FR (MPa)
6.5	1120	10/10	0.114	0.41	466
		50/10	0.117	0.41	552
		10/50	0.098	0.42	640
		50/50	0.110	0.415	562
	1200	10/10	0.061	0.36	538
		10/50	0.025	0.37	838
6.8	1120	10/10	0.118	0.41	566
		50/10	0.120	0.41	620
		10/50	0.097	0.42	754
		50/50	0.108	0.42	929
	1200	10/10	0.076	0.35	725
		10/50	0.027	0.37	945
7.1	1120	10/10	0.142	0.42	719
		50/10	0.145	0.43	720
		10/50	0.133	0.43	929
		50/50	0.108	0.42	889
	1200	10/10	0.088	0.38	894
		10/50	0.068	0.38	966