• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Metals >Phase Equilibrium and Austenite Decomposition in Advanced High-Strength Medium-Mn Bainitic Steels
【24h】

Phase Equilibrium and Austenite Decomposition in Advanced High-Strength Medium-Mn Bainitic Steels

机译：高强度中锰贝氏体钢的相平衡和奥氏体分解

获取原文
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The work addresses the phase equilibrium analysis and austenite decomposition of two Nb-microalloyed medium-Mn steels containing 3% and 5% Mn. The pseudobinary Fe-C diagrams of the steels were calculated using Thermo-Calc. Thermodynamic calculations of the volume fraction evolution of microstructural constituents vs. temperature were carried out. The study comprised the determination of the time-temperature-transformation (TTT) diagrams and continuous cooling transformation (CCT) diagrams of the investigated steels. The diagrams were used to determine continuous and isothermal cooling paths suitable for production of bainite-based steels. It was found that the various Mn content strongly influences the hardenability of the steels and hence the austenite decomposition during cooling. The knowledge of CCT diagrams and the analysis of experimental dilatometric curves enabled to produce bainite-austenite mixtures in the thermomechanical simulator. Light microscopy (LM), scanning electron microscopy (SEM), and transmission electron microscopy (TEM) were used to assess the effect of heat treatment on morphological details of produced multiphase microstructures.
机译：该工作解决了两种含3％和5％Mn的Nb微合金化中锰钢的相平衡分析和奥氏体分解。使用Thermo-Calc计算钢的伪二元Fe-C图。进行了微结构成分的体积分数随温度变化的热力学计算。该研究包括确定所研究钢材的时间-温度-转变（TTT）图和连续冷却转变（CCT）图。这些图用于确定适合于生产贝氏体基钢的连续和等温冷却路径。发现各种Mn含量强烈地影响钢的淬透性，并因此影响冷却期间的奥氏体分解。 CCT图表的知识和实验膨胀曲线的分析使您能够在热机械模拟器中生成贝氏体-奥氏体混合物。使用光学显微镜（LM），扫描电子显微镜（SEM）和透射电子显微镜（TEM）来评估热处理对生产的多相微结构的形态学细节的影响。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号