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微量杂质原子能够显著地降低再结晶过程中晶界的运动速度.Kasen用电阻法研究铝合金退火再结晶与晶粒长大过程,认为运动晶界能大量捕获溶质原子.本文利用硼径迹显微照相技术研究了含硼Fe-30%Ni合金高温热变形再结晶过程中硼在晶界上的偏聚行为,该合金在淬火至室温的过程中不发生γ-α相变,从而可以排除相变对组织和溶质原子分布的影响.1 实验材料与实验方法
Trace impurity atoms can significantly reduce the rate of grain boundary during recrystallization.Kasen studied the annealing recrystallization and grain growth process of aluminum alloy by resistance method, The microrographic technique was used to study the segregation behavior of boron on the grain boundaries during high temperature hot deformation recrystallization of boron-containing Fe-30% Ni alloys. The alloy did not undergo γ-α transformation during quenching to room temperature, Effect of phase transition on the distribution of solutes and atoms.1 Experimental materials and experimental methods