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含钛低碳洁净钢凝固过程氧化钛的析出行为 被引量:5

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摘要 通过热力学研究,确定了含钛低碳钢中形成氧化钛的最佳钢液条件.在溶质元素偏析和扩散的基础上,建立了凝固过程氧化钛长大模型.计算结果表明,凝固过程对Ti 203的析出、长大有很大影响.在凝固过程中,析出的Ti203随凝固过程的进行很容易长大,并且随冷却速率的提高,Ti203的尺寸明显减小.相比较来说,凝固前液相中形成的较大的Ti 203在凝固过程中不容易长大,尺寸变化相对较小,并且受冷却速率的影响也小于凝固过程中析出的Ti203.
出处 《钢铁》 CAS CSCD 北大核心 2004年第z1期510-514,共5页 Iron and Steel
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