Factors affecting static strain aging under stress at room temperature in a Fe-Mn-C twinning-induced plasticity steel

Motomichi Koyama; Eiji Akiyama; Kaneaki Tsuzaki

doi:10.2355/tetsutohagane.100.1123

Factors affecting static strain aging under stress at room temperature in a Fe-Mn-C twinning-induced plasticity steel

Motomichi Koyama, Eiji Akiyama, Kaneaki Tsuzaki

Strength of materials

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

We investigated the factors affecting static strain aging under stress in a Fe-22Mn-0.6C twinning-induced plasticity steel at room temperature. The magnitude of strengthening by the static strain aging was estimated by tensile strain holding and subsequent re-loading. Strain holding time, pre-strain, strain rate, external stress, and diffusible hydrogen content were varied to clarify their effects on static strain aging, and the present static strain aging was found to be affected by all of these factors. In this paper, we show the phenomenological laws of the relationship among the factors and the stress increase due to the static strain aging.

Original language	English
Pages (from-to)	1123-1131
Number of pages	9
Journal	Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
Volume	100
Issue number	9
DOIs	https://doi.org/10.2355/tetsutohagane.100.1123
Publication status	Published - 2014

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Physical and Theoretical Chemistry
Metals and Alloys
Materials Chemistry

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10.2355/tetsutohagane.100.1123

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abstract = "We investigated the factors affecting static strain aging under stress in a Fe-22Mn-0.6C twinning-induced plasticity steel at room temperature. The magnitude of strengthening by the static strain aging was estimated by tensile strain holding and subsequent re-loading. Strain holding time, pre-strain, strain rate, external stress, and diffusible hydrogen content were varied to clarify their effects on static strain aging, and the present static strain aging was found to be affected by all of these factors. In this paper, we show the phenomenological laws of the relationship among the factors and the stress increase due to the static strain aging.",

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AU - Koyama, Motomichi

AU - Akiyama, Eiji

AU - Tsuzaki, Kaneaki

PY - 2014

Y1 - 2014

N2 - We investigated the factors affecting static strain aging under stress in a Fe-22Mn-0.6C twinning-induced plasticity steel at room temperature. The magnitude of strengthening by the static strain aging was estimated by tensile strain holding and subsequent re-loading. Strain holding time, pre-strain, strain rate, external stress, and diffusible hydrogen content were varied to clarify their effects on static strain aging, and the present static strain aging was found to be affected by all of these factors. In this paper, we show the phenomenological laws of the relationship among the factors and the stress increase due to the static strain aging.

AB - We investigated the factors affecting static strain aging under stress in a Fe-22Mn-0.6C twinning-induced plasticity steel at room temperature. The magnitude of strengthening by the static strain aging was estimated by tensile strain holding and subsequent re-loading. Strain holding time, pre-strain, strain rate, external stress, and diffusible hydrogen content were varied to clarify their effects on static strain aging, and the present static strain aging was found to be affected by all of these factors. In this paper, we show the phenomenological laws of the relationship among the factors and the stress increase due to the static strain aging.

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Factors affecting static strain aging under stress at room temperature in a Fe-Mn-C twinning-induced plasticity steel

Abstract

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