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Phase Composition of Light-Weight Steels and Alloys Based on the Fe-Mn-Al-C System

机译:基于Fe-Mn-Al-C体系的轻钢和合金的相组成

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摘要

A Thermo-Calc program is used to calculate isothermal and polythermal sections of diagrams and phase composition for a series of alloys of the Fe-Mn-Al-Si-Mo-C-N system. Microstructure of these alloys is studied after quenching, hot and warm deformation, and ageing at 550A degrees C. It is established that the phase equilibrium diagram of the Fe-Mn-Al-C system may be used for predicting alloy structure for this system after different forms of treatment. Alloys with a single-phase gamma-region in the range 1000-1200A degrees C and containing 20% or more Mn should contain more than 1.5% C with an Al content of 7.5% and more than 2% C with a 9% aluminum content.
机译:Thermo-Calc程序用于计算Fe-Mn-Al-Si-Mo-C-N系统的一系列合金的等温线图和多相线图以及相组成。在淬火,热变形和热变形以及在550A的温度下进行时效处理之后,研究了这些合金的显微组织。已确定,Fe-Mn-Al-C体系的相平衡图可用于预测该体系的合金结构。不同的治疗方式。具有1000-1200A摄氏度范围内的单相伽马区且含有20%或更多的Mn的合金应包含1.5%以上的C(铝含量为7.5%)和2%以上的C(铝含量为9%) 。

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