| 基于JMatPro软件的X12CrMoWVNbN10-1-1钢析出相热力学模拟和分析 |
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| 引用本文： | 杨佳奇. 基于JMatPro软件的X12CrMoWVNbN10-1-1钢析出相热力学模拟和分析[J]. 材料与冶金学报, 2021, 20(1): 74-78. DOI: 10.14186/j.cnki.1671-6620.2021.01.012 |
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| 作者姓名： | 杨佳奇 |
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| 作者单位： | 沈阳开放大学 教务处,沈阳 110003 |
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| 基金项目： | 国家开放大学优秀青年教师培养计划经费资助项目 |
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| 摘 要： | 以火力发电用耐热钢X12CrMoWVNbN10-1-1钢(以下简称X12钢)为研究对象,利用JMatPro软件对其进行了平衡状态下的凝固、过冷奥氏体等温转变和连续冷却转变的模拟计算,并绘制了凝固相图、TTT曲线和CCT曲线.结合扫描电镜和透射电镜对热处理后基体中析出相进行观察和分析.研究结果表明:奥氏体化加热温度低于1...
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| 关 键 词： | X12CrMoWVNbN10-1-1钢 JMatPro软件 析出相 TTT曲线 CCT曲线 |
Thermodynamic simulation and analysis of X12CrMoWVNbN10-1-1 steel precipitation based on JMatPro software |
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| Yang Jiaqi. Thermodynamic simulation and analysis of X12CrMoWVNbN10-1-1 steel precipitation based on JMatPro software[J]. Journal of Materials and Metallurgy, 2021, 20(1): 74-78. DOI: 10.14186/j.cnki.1671-6620.2021.01.012 |
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| Authors: | Yang Jiaqi |
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| Affiliation: | (Shenyang Open University,Office of Educational Administration,Shenyang 110003,China) |
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| Abstract: | The heat-resistant steel X12 CrMoWVNbN10-1-1(hereinafter referred to as X12 steel) for thermal power generation is regarded as the research object. With the help of JMatPro software, the calculations on the solidificationin a state of equilibrium, the isothermal transformation of supercooled austenite and the continuous cooling transformation were carried out. Meanwhile, the phase diagram, the TTT curve and the CCT curve were plotted respectively. The precipitates in X12 steel after heat treatment were observed and analyzed by scanning electron microscope and transmission electron microscope. The results show that δ ferrite can be avoided at room temperature of X12 steel, when the heating temperature of austenitization is below 1 192 ℃. When the cooling rate of austenitization is greater than 10 ℃/min within the temperature range from 550 ℃ to 700 ℃, the M6C can be avoided. Moreover, the M23C6 phase precipitates at 904 ℃ according to the X12 steel equilibrium phase diagram.LAVES phase precipitates at 700 ℃. Z phase precipitates at 689 ℃. The M7C3 phase and M3C phase in X12 steel are precipitated during the tempering process at 550 ℃, and then transforme into M23C6 phase. |
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| Keywords: | X12CrMoWVNbN10-1-1 steel JMatPro software precipitation phase TTT curve CCT curve |
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