STRENGTHENING MECHANISMS AND YIELD STRENGTH REDUCTION OF A HOT ROLLED ENAMELING STEEL

被引：0
|
作者：
Jiang, M. [1 ]
Yang, X. F. [1 ]
Pan, S. Y. [1 ]
Krakauer, B. W. [2 ]
Zhu, M. F. [1 ]
机构：
[1] Southeast Univ, Jiangsu Key Lab Adv Metall Mat, Sch Mat Sci & Engn, Nanjing 211189, Jiangsu, Peoples R China
[2] AO Smith Corp Technol Ctr, Milwaukee, WI 53224 USA
来源：
ADVANCES IN HETEROGENEOUS MATERIAL MECHANICS 2011 | 2011年
关键词：
enameling steel; enamel-fire anneal; microstructure; yield strength; thermodynamic calculation;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The microstructures, strengthening mechanisms, and reasons for yield strength reduction of a hot rolled enameling steel were studied by combining experiments and thermodynamic calculations. The results show that before the enamel-Fire anneal (EFA), the microstructure consists of ferrite, pearlite, and free cementite. The EFA decreases dislocation density and increases grain size and pearlite volume fraction. The main strengthening mechanisms of the enameling steel are grain size strengthening, solution strengthening, and dislocation strengthening. The dominant factors responsible for yield strength reduction are grain growth and a reduction in dislocation density.
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页码：1035 / +
页数：2
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