Paper Titles
Rust Layer Structure and Corrosion Resistance of High Strength Microalloyed Steels
p.4774
Effect of Carbon on Work Hardening Behavior of 18%Ni Martensitic Steel
p.4783
Nano-Carbides and the Strength of Steels as Assessed by Electrical Resistivity Studies
p.4789
Modeling of Microstructure Evolution of Athermal Transformation of Lath Martensite
p.4795
The Ultrahigh Ductility of an Ultrahigh Carbon Steel Containing 3%Si
p.4801
Ultra Rapid Softening of High Strength Structural Steels by Thermomechanical Treatment
p.4807
Coarsening Behavior of Nanometer-Sized Carbides in Hot-Rolled High Strength Sheet Steel
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Microstructural Features of 'Quenching and Partitioning': A New Martensitic Steel Heat Treatment
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Thermomechanical Treatments of Ultrahigh Carbon Steels and Optimal Microstructures to Improve Toughness
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The Ultrahigh Ductility of an Ultrahigh Carbon Steel Containing 3%Si

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Abstract:

Superplastic properties of fine-grained ultrahigh carbon steels (UHCS) have been greatly improved through the addition of 3 wt% Si (UHCS-3Si) and through improved processing conditions. This material showed an elongation to failure of 1300% under optimum superplastic conditions. It is also superplastic at very high strain rates, i.e. 10-2 s-1, in the temperature range between 800 and 825°C. An analysis of the effect of silicon additions on the UHCS and the influence of the introduction of temperatures regions in the phase diagram on the superplastic properties is made.

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Periodical:

Materials Science Forum (Volumes 539-543)

Pages:

4801-4806

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.539-543.4801

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Online since:

March 2007

Authors:

Oscar Ruano, Toshi Oyama, Oleg D. Sherby

Keywords:

Superplasticity, Thermomechanical Process, Ultra High Carbon Steel

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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