运用拉伸、金相、析出物定量分析、SEM、TEM和EDS等测试方法,对不同卷取温度低碳钢组织性能及硫化物析出进行研究.结果表明:随着卷取温度的升高,钢的强度和晶粒度等级下降.MnS析出主要分2个阶段:第1阶段主要为奥氏体区MnS和Al2O3的复合析出,析出尺寸普遍介于1~5μm之间,形状为条片状;第2阶段为MnS在卷取过程中析出,尺寸普遍介于200~600nm之间,形状为近球形.卷取温度的变化对化合硫含量以及MnS析出尺寸分布范围影响较小.
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