一种新分组团簇动力学模型模拟铝合金中的<strong>Al<sub>3</sub>Sc</strong>析出

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一种新分组团簇动力学模型模拟铝合金中的Al₃Sc析出

许坤, 王海川, 孔辉, 吴朝阳, 张战

Precipitation Kinetics of Al₃Sc in Aluminum Alloys Modeled with a New Grouping Cluster Dynamics Model

XU Kun, WANG Haichuan, KONG Hui, WU Zhaoyang, ZHANG Zhan

图4 300℃等温析出时归一化Al₃Sc尺寸分布计算结果与实验测量和LSW分布的比较

Fig.4 Comparison of calculated and measured normalized precipitate size distributions of Al₃Sc precipitates during isothermally ageing at 300^oC and LSW distribution for 6 h (a), 72 h (b), and 350 h (c) ( $g (\overset{ˉ}{r}) = (Δ N ? / ? N_{P}) / (Δ r ? / ? {〈r〉}_{P})$ , r—radius, $\overset{ˉ}{r}$ —normalize radius, ΔN—total number density of clusters in each size group, Δr—radius interval of clusters in each size group)