Fig. 5: Gibbs free energy curves for reduction reactions.
From: Hydrogen-based ore-to-part manufacturing of near-net-shape stainless steel

Curves showing reduction behaviour of: a NiO, b MoO2, c Fe2O3, and d Cr2O3.
From: Hydrogen-based ore-to-part manufacturing of near-net-shape stainless steel

Curves showing reduction behaviour of: a NiO, b MoO2, c Fe2O3, and d Cr2O3.