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利用扩散偶技术和合金法测定了Fe-Mn-Al三元系1000和1100℃等温截面的Fe-Mn侧的相平衡关系,结果表明1000℃有一(α+y+β)三相区,此外,固/气扩散偶被用来测定相平衡成分,表明这种方法对于具有挥发性组元的体系是可行的。
The phase equilibrium of the Fe-Mn-Al ternary system 1000 at 1000 ℃ and the isothermal section of 1100 ℃ was measured by using diffusion-even technique and alloy method. The results show that there is an (α + y + β) , Solid / gas diffusion couple was used to determine the phase equilibrium composition, indicating that this method is feasible for volatile components of the system.