Fe-Cr-Ni系不锈钢在热老化和退火过程中铁素体调幅分解的相场法研究
史佳庆1, 薛飞2, 彭群家2, 沈耀1(
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A Phase-Field Study on Spinodal Decomposition of Ferrite of Fe-Cr-Ni Stainless Steels during Thermal Ageing and Annealing
SHI Jiaqing1, XUE Fei2, PENG Qunjia2, SHEN Yao1()
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图1. 模拟的热老化和退火不同时间的Cr浓度分布，图中的等值面为35% Cr(原子分数)
Fig.1. Simulated Cr distribution in ferrite of 308L stainless steel weld metal for different ageing or annealing times with 35% Cr (atomic fraction) iso-concentration surfaces (a1) unaged, (a2) 1000 h aged, (a3) 3000 h aged, (a4) 5000 h aged, (a5) 7000 h aged, (b1) 0.3 h annealed, (b2) 0.7 h annealed, (b3) 1.0 h annealed, (b4) 1.23 h annealed, (b5) 2.35 h annealed
