Modeling of Nucleation and Growth of M23C6 Carbide in Multi-component Fe-based Alloy

作者：Zhu, Naqiong; He, Yanlin^*; Liu, Wenqing; Li, Lin; Huang, Shuigen; Vleugels, Jef; Van der Biest, Omer

来源：Journal of Materials Science & Technology, 2011, 27(8): 725-728.

• Nucleation and growth
• M23C6
• Three-dimensional atom probe (3DAP)
• Modeling

Three-dimensional atom probe (3DAP) technique has been used to study the nucleation and growth of M23C6 carbide in a supersaturated multi-component Fe-based alloy aged at 800 degrees C. 3D images indicate that the radius of M23C6 carbide after ageing for 10 min is about 9 nm. Concentration profiles of alloy elements in the carbide are also obtained. Combined with PANDAT and Thermo-Calc software, attempts to model the early stages of precipitation are present. The calculated particle size and composition of M23C6 carbide is in good agreement with 3DAP data.

• 出版日期2011-8
• 单位上海大学