金属凝固过程的原位观察研究进展  

Progress in Research on Metal Solidification Process by In-Situ Observation

作　　者：赵健 陈玉娥 ZHAO Jian;CHEN Yu’e(Wuhu Xinxing Ductile Iron Pipes Co.,Ltd.,Wuhu Anhui 241002,China)

机构地区：[1]芜湖新兴铸管有限责任公司,安徽芜湖241002

出　　处：《上海金属》2025年第1期11-17,共7页Shanghai Metals

基　　金：PMO凝固均质化技术在大断面圆坯高效连铸中的应用产学研合作项目(2020cg03);国家自然科学基金(50734008)。

摘　　要：同步辐射成像是金属凝固过程原位观察的先进技术。介绍了同步辐射成像的原理、主要类型及发展。简述了异质形核、界面稳定性、柱状晶向等轴晶转变等金属凝固过程的原位观察,以及凝固组织演化和电磁场对金属凝固过程影响的观察。Synchronous radiation imaging is an advanced technique used for in-situ observation of metal solidification process.The principle,main types,and development of synchronous radiation imaging were introduced.In-situ observation of metal solidification processes such as heterogeneous nucleation,interface stability,transformation of columnar crystal into equiaxed crystal,as well as observation of the evolution of solidified structure and the influence of electromagnetic fields on the metal solidification process,were described briefly.

关 键 词：原位观察 金属凝固 同步辐射 

分 类 号：TG111.4[金属学及工艺—物理冶金]