建立了钢凝固过程包含δ/γ相变及MnS夹杂析出的溶质微观偏析模型.分析了钢种成分、MnS夹杂物析出及冷却速率对钢凝固过程高温力学性能的影响,模型计算结果与文献报道的实测零强度温度(ZST)和零塑性温度(ZDT)吻合良好.
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