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Impact wear and mechanical behavior of steels at subzero temperatures

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Impact wear and mechanical behavior of steels at subzero temperatures. / Valtonen, Kati; Ratia, Vilma; Ramakrishnan, Karthik Ram; Apostol, Marian; Terva, Juuso; Kuokkala, Veli-Tapani.

In: Tribology International, Vol. 129, 2019, p. 476-493.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Valtonen, K, Ratia, V, Ramakrishnan, KR, Apostol, M, Terva, J & Kuokkala, V-T 2019, 'Impact wear and mechanical behavior of steels at subzero temperatures', Tribology International, vol. 129, pp. 476-493. https://doi.org/10.1016/j.triboint.2018.08.016

APA

Valtonen, K., Ratia, V., Ramakrishnan, K. R., Apostol, M., Terva, J., & Kuokkala, V-T. (2019). Impact wear and mechanical behavior of steels at subzero temperatures. Tribology International, 129, 476-493. https://doi.org/10.1016/j.triboint.2018.08.016

Vancouver

Valtonen K, Ratia V, Ramakrishnan KR, Apostol M, Terva J, Kuokkala V-T. Impact wear and mechanical behavior of steels at subzero temperatures. Tribology International. 2019;129:476-493. https://doi.org/10.1016/j.triboint.2018.08.016

Author

Valtonen, Kati ; Ratia, Vilma ; Ramakrishnan, Karthik Ram ; Apostol, Marian ; Terva, Juuso ; Kuokkala, Veli-Tapani. / Impact wear and mechanical behavior of steels at subzero temperatures. In: Tribology International. 2019 ; Vol. 129. pp. 476-493.

Bibtex - Download

@article{9bf7877d82e94d79b71e78cfcfa09fcf,
title = "Impact wear and mechanical behavior of steels at subzero temperatures",
abstract = "In this study, the deformation behavior of three steels was studied at Arctic temperatures by controlled single and multiple oblique angle impacts. The results were compared with the mechanical properties of the steels determined at the corresponding temperatures. At subzero temperatures, the hardness and strength of the studied steels increased and their ability to deform plastically steadily decreased. In the martensitic steels, adiabatic shear bands were observed to form during the impacts at subzero temperatures, indicating that the deformation ability of the steels was critically impaired. At −60 °C, the adiabatic shear bands commonly acted as initiation sites for subsurface cracks. Moreover, the surface characterization of the test samples revealed formation of cracks and wear particles, which was connected to the opening of grain boundaries and martensite laths at low temperatures. Finite Element Modeling was also used to obtain more information about the impact event.",
keywords = "Impact, Low temperature, Steel, Wear",
author = "Kati Valtonen and Vilma Ratia and Ramakrishnan, {Karthik Ram} and Marian Apostol and Juuso Terva and Veli-Tapani Kuokkala",
year = "2019",
doi = "10.1016/j.triboint.2018.08.016",
language = "English",
volume = "129",
pages = "476--493",
journal = "Tribology International",
issn = "0301-679X",
publisher = "Elsevier",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Impact wear and mechanical behavior of steels at subzero temperatures

AU - Valtonen, Kati

AU - Ratia, Vilma

AU - Ramakrishnan, Karthik Ram

AU - Apostol, Marian

AU - Terva, Juuso

AU - Kuokkala, Veli-Tapani

PY - 2019

Y1 - 2019

N2 - In this study, the deformation behavior of three steels was studied at Arctic temperatures by controlled single and multiple oblique angle impacts. The results were compared with the mechanical properties of the steels determined at the corresponding temperatures. At subzero temperatures, the hardness and strength of the studied steels increased and their ability to deform plastically steadily decreased. In the martensitic steels, adiabatic shear bands were observed to form during the impacts at subzero temperatures, indicating that the deformation ability of the steels was critically impaired. At −60 °C, the adiabatic shear bands commonly acted as initiation sites for subsurface cracks. Moreover, the surface characterization of the test samples revealed formation of cracks and wear particles, which was connected to the opening of grain boundaries and martensite laths at low temperatures. Finite Element Modeling was also used to obtain more information about the impact event.

AB - In this study, the deformation behavior of three steels was studied at Arctic temperatures by controlled single and multiple oblique angle impacts. The results were compared with the mechanical properties of the steels determined at the corresponding temperatures. At subzero temperatures, the hardness and strength of the studied steels increased and their ability to deform plastically steadily decreased. In the martensitic steels, adiabatic shear bands were observed to form during the impacts at subzero temperatures, indicating that the deformation ability of the steels was critically impaired. At −60 °C, the adiabatic shear bands commonly acted as initiation sites for subsurface cracks. Moreover, the surface characterization of the test samples revealed formation of cracks and wear particles, which was connected to the opening of grain boundaries and martensite laths at low temperatures. Finite Element Modeling was also used to obtain more information about the impact event.

KW - Impact

KW - Low temperature

KW - Steel

KW - Wear

U2 - 10.1016/j.triboint.2018.08.016

DO - 10.1016/j.triboint.2018.08.016

M3 - Article

VL - 129

SP - 476

EP - 493

JO - Tribology International

JF - Tribology International

SN - 0301-679X

ER -