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用电子探针微分析方法测定了 Fe-Mn-Al 系富 Fe 角的五个等温截面,研究了碳对相界的影响。800℃时得到了α+γ+β三相区。碳能使γ相区扩大,高温时效果更显著。
The five isothermal sections of the Fe-Mn-Al-rich Fe-rich corner were measured by electron probe microanalysis to investigate the effect of carbon on the phase boundary. The α + γ + β three-phase region was obtained at 800 ℃. Carbon can make the γ-phase region expanded, the effect is more significant at high temperatures.