Design of Novel Bainitic Steels: Moving from UltraFine to Nanoscale Structures

被引：63
|
作者：
Caballero, F. G. [1 ]
Garcia-Mateo, C. [1 ]
Miller, M. K. [2 ]
机构：
[1] Natl Ctr Met Res CENIM CSIC, Madrid 28040, Spain
[2] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA
来源：
JOM | 2014年 / 66卷 / 05期
关键词：
ASSISTED MULTIPHASE STEELS; LOW-TEMPERATURE BAINITE; DUAL-PHASE STEELS; NANOSTRUCTURED BAINITE; SILICON STEEL; ATOM-PROBE; TRANSFORMATION; MARTENSITE; IRON; AUSTENITE;
D O I：
10.1007/s11837-014-0908-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The concepts of phase transformation theory can be exploited to design nanostructured steels that transform to bainite at temperatures as low as 150A degrees C. The microstructure obtained is so refined that it is possible to achieve strength in excess of 2.5 GPa in a material that has considerable toughness (40 MPam(1/2)). Such a combination of properties has never been achieved before with bainite. A description of the characteristics and significance of this remarkable microstructure in the context of the mechanism of transformation is provided.
引用
收藏
页码：747 / 755
页数：9
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