Abstract

The effect of the internal nitration of powder iron is examined by the introduction of nitrogen in the form of alloying additives such as chromium and manganese nitrides. It is established that the phase composition of these materials includes residual manganese and chromium nitrides and a solid solution of nitrogen in iron. To obtain a porousless or low-porosity hot-pressed material with evenly distributed fine inclusions of secondary nitrides and to maintain the composition, hot-pressed materials must be annealed in conditions that prevent nitrogen loss.

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