Parameters Controlling the Oxide Reduction during Sintering of Chromium Prealloyed Steel

Figure 13

(a)–(d) Spectra of sampled processing gas composition during sintering of AstCrM components without carbon and with 0.5, 0.6, and 0.8 wt.% graphite addition at 1200°C for 30 min in 10% H₂-N₂ atmosphere.

(a) Without graphite addition

(b) 0.5% graphite addition

(c) 0.6% graphite addition

(d) 0.8% graphite addition