Abstract

The effect of deformation on the structure and related chemical properties of an austenitic 0Kh18N2A alloy with an overequilibrium nitrogen content has been studied. Cold plastic deformation at an 8–11% reduction before aging at 350°C is shown to halve the corrosion rate of the alloy as compared to the undeformed state. A thermoplastic treatment by the schedule quenching + aging at 350°C + 20% reduction is found to be more effective: the corrosion rate decreases by an order of magnitude as compared to the undeformed state.

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