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Effects of Microstructure on the Dynamic Strain Aging in Ferritic-Pearlitic Steels

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Effects of Microstructure on the Dynamic Strain Aging in Ferritic-Pearlitic Steels. / Hokka, M.; Rämö, J.; Mardoukhi, A.; Vuoristo, T.; Roth, A.; Kuokkala, V. T.

In: Journal of Dynamic Behavior of Materials, Vol. 4, No. 4, 12.2018, p. 452-463.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Hokka, M, Rämö, J, Mardoukhi, A, Vuoristo, T, Roth, A & Kuokkala, VT 2018, 'Effects of Microstructure on the Dynamic Strain Aging in Ferritic-Pearlitic Steels', Journal of Dynamic Behavior of Materials, vol. 4, no. 4, pp. 452-463. https://doi.org/10.1007/s40870-018-0169-z

APA

Vancouver

Hokka M, Rämö J, Mardoukhi A, Vuoristo T, Roth A, Kuokkala VT. Effects of Microstructure on the Dynamic Strain Aging in Ferritic-Pearlitic Steels. Journal of Dynamic Behavior of Materials. 2018 Dec;4(4):452-463. https://doi.org/10.1007/s40870-018-0169-z

Author

Hokka, M. ; Rämö, J. ; Mardoukhi, A. ; Vuoristo, T. ; Roth, A. ; Kuokkala, V. T. / Effects of Microstructure on the Dynamic Strain Aging in Ferritic-Pearlitic Steels. In: Journal of Dynamic Behavior of Materials. 2018 ; Vol. 4, No. 4. pp. 452-463.

Bibtex - Download

@article{fa3ac239e4c34be58b1371081d9bb9d4,
title = "Effects of Microstructure on the Dynamic Strain Aging in Ferritic-Pearlitic Steels",
abstract = "Effects of microstructure on the high strain rate high temperature mechanical response and dynamic strain aging of C45 and 27MnCr5 ferritic-pearlitic steels were studied using four different microstructural variants of the standard alloys. The high strain rate high temperature behavior of the steels was studied using a compression Split Hopkinson Pressure Bar device with high temperature testing capabilities. The steels were studied at strain rates up to 4500 s−1 and at temperatures from RT to 680 °C. Strong dynamic strain aging was observed for both steels in the studied temperature range. The results also show that the microstructure has a strong effect on the dynamic strain aging sensitivity of the steel. This is especially true at low plastic strains, where the effect of the microstructure is strongest. The effect of microstructure decreases as plastic strain increases. A coarse-grained microstructure showed the strongest dynamic strain aging sensitivity for both steels.",
keywords = "Dynamic strain aging, Effects of microstructure, High strain rate, High temperature, Steels",
author = "M. Hokka and J. R{\"a}m{\"o} and A. Mardoukhi and T. Vuoristo and A. Roth and Kuokkala, {V. T.}",
year = "2018",
month = "12",
doi = "10.1007/s40870-018-0169-z",
language = "English",
volume = "4",
pages = "452--463",
journal = "Journal of Dynamic Behavior of Materials",
issn = "2199-7446",
publisher = "Springer",
number = "4",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Effects of Microstructure on the Dynamic Strain Aging in Ferritic-Pearlitic Steels

AU - Hokka, M.

AU - Rämö, J.

AU - Mardoukhi, A.

AU - Vuoristo, T.

AU - Roth, A.

AU - Kuokkala, V. T.

PY - 2018/12

Y1 - 2018/12

N2 - Effects of microstructure on the high strain rate high temperature mechanical response and dynamic strain aging of C45 and 27MnCr5 ferritic-pearlitic steels were studied using four different microstructural variants of the standard alloys. The high strain rate high temperature behavior of the steels was studied using a compression Split Hopkinson Pressure Bar device with high temperature testing capabilities. The steels were studied at strain rates up to 4500 s−1 and at temperatures from RT to 680 °C. Strong dynamic strain aging was observed for both steels in the studied temperature range. The results also show that the microstructure has a strong effect on the dynamic strain aging sensitivity of the steel. This is especially true at low plastic strains, where the effect of the microstructure is strongest. The effect of microstructure decreases as plastic strain increases. A coarse-grained microstructure showed the strongest dynamic strain aging sensitivity for both steels.

AB - Effects of microstructure on the high strain rate high temperature mechanical response and dynamic strain aging of C45 and 27MnCr5 ferritic-pearlitic steels were studied using four different microstructural variants of the standard alloys. The high strain rate high temperature behavior of the steels was studied using a compression Split Hopkinson Pressure Bar device with high temperature testing capabilities. The steels were studied at strain rates up to 4500 s−1 and at temperatures from RT to 680 °C. Strong dynamic strain aging was observed for both steels in the studied temperature range. The results also show that the microstructure has a strong effect on the dynamic strain aging sensitivity of the steel. This is especially true at low plastic strains, where the effect of the microstructure is strongest. The effect of microstructure decreases as plastic strain increases. A coarse-grained microstructure showed the strongest dynamic strain aging sensitivity for both steels.

KW - Dynamic strain aging

KW - Effects of microstructure

KW - High strain rate

KW - High temperature

KW - Steels

U2 - 10.1007/s40870-018-0169-z

DO - 10.1007/s40870-018-0169-z

M3 - Article

VL - 4

SP - 452

EP - 463

JO - Journal of Dynamic Behavior of Materials

JF - Journal of Dynamic Behavior of Materials

SN - 2199-7446

IS - 4

ER -