Parameters Controlling the Oxide Reduction during Sintering of Chromium Prealloyed Steel

Table 3

The mass change, oxygen and carbon contents, and fracture strength of the AstCrM + 0.5% C material heated to 730, 1120, and 1200°C and cooled at 50°C/min in relation to density.

Density level (g/cm^3)	Temperature (°C)	Sintered density (g/cm^3)	Mass change (%)	O2 (%)	C (%)	𝑅FR (MPa)
6.5	730	6.55	0.016	0.199	0.48	—
	1120	6.55	−0.116	0.124	0.40	557
	1200	6.60	−0.225	0.069	0.36	752
6.8	730	6.89	0.003	0.209	0.48	—
	1120	6.83	−0.104	0.144	0.44	693
	1200	6.84	−0.329	0.092	0.38	731
7.1	730	7.09	−0.056	0.214	0.48	—
	1120	7.08	−0.105	0.167	0.45	704
	1200	7.12	−0.210	0.136	0.40	954