摘要
采用透射电镜技术研究高碳钢下贝氏体铁素体与母相奥氏体界面结构,发现铁素体宽面上存在可移动的生长台阶、巨型台阶以及它们的三维形态;在下贝氏体铁素体宽面上还存在结构台阶,生长台阶也可以由结构台阶演变而来,为下贝氏体的台阶生长机制提供了实验证据。
The ferrite/austenite interfacial structure in lower bainite has been
studied in a hypereutectoid steel by means of electron microscopy. It is found that
mobile growth ledges and superledges and their three-dimensional morphologies exist
at the broad faces of ferrite plates in lower bainite, and that growth ledges can also
evolve from structural ledges. These provide evidence to the ledge growth mechanism
of lower bainite.
出处
《金属学报》
SCIE
EI
CAS
CSCD
北大核心
1990年第6期A391-A395,共5页
Acta Metallurgica Sinica
基金
国家自然科学基金
关键词
钢
贝氏体
铁素体
台阶
结构
宽面
bainitic ferrite ledge
mechanism
broad face
