Tensile Behavior of Ferrite-Carbide and Ferrite-Martensite Steels with Different Ferrite Grain Structures

被引：0
|
作者：
Anish Karmakar
S. Sivaprasad
S. Kundu
Debalay Chakrabarti
机构：
[1] Indian Institute of Technology (I.I.T.),Department of Metallurgical and Materials Engineering
[2] Council of Scientific and Industrial Research (CSIR-NML),Materials Science and Technology Division, National Metallurgical Laboratory
[3] Tata Steel,Product Research Group, Research and Development
来源：
Metallurgical and Materials Transactions A | 2014年 / 45卷
关键词：
Ferrite; Martensite; Carbide Particle; Uniform Elongation; Martensitic Island;
D O I：
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学科分类号：
摘要：
Ferrite-carbide and ferrite-martensite dual-phase microstructures have been produced in a low-carbon steel with different ferrite grain structures such as, uniform distribution of coarse- and very fine-ferrite grains, and bimodal distribution of ferrite grain sizes comprising of coarse grains (~12 μm) and very fine grains (<2 μm). Very fine-grained dual-phase structure offered the best combination of tensile-strength and ductility among all the samples. The above microstructures have been compared in terms of their strain-hardening rate and the mechanism of plastic deformation.
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页码：1659 / 1664
页数：5
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