Quasi-Static and Dynanmic Deformation Behaviors of Medium-Carbon Steels in a Wide Temperature Range
Byoungchul Hwang
DOI: 10.4236/msa.2011.26076   PDF    HTML     5,466 Downloads   8,564 Views   Citations


This paper presents a study of the quasistatic and dynamic deformation behaviors of conventional and microalloyed medium-carbon steels in a wide temperature range. As strain rate increased, the flow stress increased at room temperature, but occasionally did not at elevated temperatures. The flow stress of the microalloyed steel containing precipitates was less sensitive to strain rate at room temperature than that of the conventional steel due to a relatively larger activation length. Microstructural observation of the steels deformed after compression test indicated that inhomogeneous deformation became more serious with increasing strain rate and temperature without fracturing in the highly localized region.

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B. Hwang, "Quasi-Static and Dynanmic Deformation Behaviors of Medium-Carbon Steels in a Wide Temperature Range," Materials Sciences and Applications, Vol. 2 No. 6, 2011, pp. 572-577. doi: 10.4236/msa.2011.26076.

Conflicts of Interest

The authors declare no conflicts of interest.


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