The effect of precipitates on the plastic deformation behavior in high tensile strength if sheet steels

被引：0
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作者：
Ikeda, Shushi
Makii, Koichi
Shindo, Yosuke
Miura, Masaaki
Hashimoto, Shunichi
机构：
来源：
R and D: Research and Development Kobe Steel Engineering Reports | 2002年 / 52卷 / 03期
关键词：
Ductility - Plastic deformation - Strain - Strain hardening - Strain rate - Tensile strength - Titanium - Zirconium;
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摘要：
Through the study, of conventional Ti-added high strength IF steels with P, it was determined that course precipitates such as FeTiP reduced ductility. In this paper, two kinds of new FeTiP free steel called Zr steel and Si steel, respectively, were investigated. The local elongation of these two new steels was 2-3% higher than that of Ti steel. From the viewpoints of uniform deformation, Zr steel had an extremely high n value (10-15% nominal strain) and maintained a high strain hardening rate throughout a wide deformation range.
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页码：39 / 42
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