| 奥氏体析出相激发形核的原位TEM研究 |
| |
| 引用本文： | 杜娟,程晓行,杨天南,陈龙庆,Mompiou Frédéric,张文征.奥氏体析出相激发形核的原位TEM研究[J].金属学报,2019,55(4):511-520. |
| |
| 作者姓名： | 杜娟 程晓行 杨天南 陈龙庆 Mompiou Frédéric 张文征 |
| |
| 作者单位： | 清华大学材料学院教育部先进材料重点实验室 北京100084;Department of Materials Science and Engineering, The Pennsylvania State University,University Park, PA 16802, USA;Department of Materials Science and Engineering, The Pennsylvania State University,University Park, PA 16802, USA;清华大学材料学院新型陶瓷与精细工艺国家重点实验室 北京100084;CEMES-CNRS and Université de Toulouse, 29 rue J.Marvig, 31055 Toulouse, France |
| |
| 摘 要： | 利用原位透射电镜(TEM)观察双相不锈钢中奥氏体析出相变过程,发现了端-面连接的奥氏体激发形核现象。定量表征结果表明,激发形核奥氏体和先驱奥氏体与母相铁素体的位向关系都接近N-W,但属于不同的位向关系,且在不同的Bain环上。基于弹性相互作用能和界面能解释了激发形核奥氏体的择优晶体学取向,计算结果表明,先驱奥氏体与不同Bain环上激发形核奥氏体的弹性相互作用能为负值,且相邻奥氏体之间可以形成孪晶取向关系及共格孪晶界。
|
| 关 键 词： | 原位透射电镜 激发形核 奥氏体析出相 弹性相互作用能 |
In Situ TEM Study on the Sympathetic Nucleation of Austenite Precipitates |
| |
| DU Juan,CHENG Xiaoxing,YANG Tiannan,CHEN Longqing,Mompiou Frederic,ZHANG Wenzheng.In Situ TEM Study on the Sympathetic Nucleation of Austenite Precipitates[J].Acta Metallurgica Sinica,2019,55(4):511-520. |
| |
| Authors: | DU Juan CHENG Xiaoxing YANG Tiannan CHEN Longqing Mompiou Frederic ZHANG Wenzheng |
| |
| Affiliation: | (Key Laboratory of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China;Department of Materials Science and Engineering, The Pennsylvania State University, University Park, PA 16802, USA;State Key L aboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China;CEMES-CNRS and Universite de Toulouse, 29 rue J. Marvig, 31055 Toulouse, France) |
| |
| Abstract: | DU Juan;CHENG Xiaoxing;YANG Tiannan;CHEN Longqing;Mompiou Frederic;ZHANG Wenzheng(Key Laboratory of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China;Department of Materials Science and Engineering, The Pennsylvania State University, University Park, PA 16802, USA;State Key L aboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China;CEMES-CNRS and Universite de Toulouse, 29 rue J. Marvig, 31055 Toulouse, France) |
| |
| Keywords: | in situ TEM sympathetic nucleation austenite precipitate elastic interaction energy |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
