The Ultrahigh Ductility of an Ultrahigh Carbon Steel Containing 3%Si

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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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Materials Science Forum (Volumes 539-543)

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Edited by:

T. Chandra, K. Tsuzaki, M. Militzer , C. Ravindran

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4801-4806

Citation:

O. A. Ruano et al., "The Ultrahigh Ductility of an Ultrahigh Carbon Steel Containing 3%Si", Materials Science Forum, Vols. 539-543, pp. 4801-4806, 2007

Online since:

March 2007

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