基于N含量调控的Ti微合金钢凝固过程中TiN析出行为研究
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陈瑞洋, 裘欣, 丁汉林, 王子健, 项重辰
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Study on Precipitation Behavior of TiN Particles during Solidification Process of Ti-microalloyed Steels Based on Control of N Content
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CHEN Ruiyang, QIU Xin, DING Hanlin, WANG Zijian, XIANG Chongchen
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表3 平衡条件下析出的TiN粒子的体积分数
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Table 3 Volume fraction of TiN particles precipitated under equilibrium condition
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| S1 | S2 | S3 |
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| Solidus, TS / oC | 1460 | 1473 | 1477 | TiN inclusion precipitation in solidified liquid phase / % (The proportion of total precipitation) | 0.00473 (28.3%) | 0.00091 (6.1%) | 0.00010 (0.9%) | TiN particles precipitation in solidified solid phase / % (The proportion of total precipitation) | 0.000980 (5.9%) | 0.000051 (0.3%) | 0 | Solid phase TiN particles precipitate at 1150oC / % (The proportion of total precipitation) | 0.01099 (65.8%) | 0.01404 (93.6%) | 0.0110 (99.1%) | | Total precipitation / % | 0.0167 | 0.0150 | 0.0111 |
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