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从热力学关系和用TEM分析了TiN沉淀相在热处理过程中的稳定性。结果表明 ,TiN沉淀相的稳定性与颗粒的尺寸有关 ,小颗粒的TiN稳定性差易溶解 ,大颗粒的TiN则稳定性好而进一步长大。热处理过程中TiN沉淀相的长大关系满足Kreye关系。
The stability of TiN precipitates during heat treatment was analyzed from the thermodynamic relationship and TEM. The results show that the stability of TiN precipitation phase is related to the size of the particles. The stability of TiN particles of small particles is poor and the stability of TiN particles is good. The relationship between the growth of TiN precipitates in the heat treatment satisfies the Kreye relation.