Abstract

The data on the effect of carbon and nitrogen on the stacking fault energy (SFE) of austenitic steels are summarized. Threshold values of SFE characterizing the stability of austenite are given. The effective value of SFE for high-nitrogen austenitic steels is found to be 20–25 mJ/m². At this value, these steels have the best combination of strength, ductility, and impact strength at a retained high stability of austenite to the γ–ε–α transformation during cooling and plastic deformation.

中文翻译：

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碳和氮对奥氏体钢堆垛层错能的影响

摘要

总结了碳和氮对奥氏体钢的层错能 (SFE) 影响的数据。给出了表征奥氏体稳定性的 SFE 阈值。高氮奥氏体钢的 SFE 有效值为 20-25 mJ/m ²。在这个值下，这些钢在冷却和塑性变形过程中保持奥氏体对 γ-ε-α 转变的高稳定性，具有强度、延展性和冲击强度的最佳组合。