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Comparison of various high-stress wear conditions and wear performance of martensitic steels

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Comparison of various high-stress wear conditions and wear performance of martensitic steels. / Valtonen, Kati; Ojala, Niko; Haiko, Oskari; Kuokkala, Veli-Tapani.

In: Wear, Vol. 426-427, No. Part A, 30.04.2019, p. 3-13.

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Valtonen, Kati ; Ojala, Niko ; Haiko, Oskari ; Kuokkala, Veli-Tapani. / Comparison of various high-stress wear conditions and wear performance of martensitic steels. In: Wear. 2019 ; Vol. 426-427, No. Part A. pp. 3-13.

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@article{fa9586a897eb4dadb093e44ce7e1ac59,
title = "Comparison of various high-stress wear conditions and wear performance of martensitic steels",
abstract = "The demanding environments typically encountered by the wear resistant steels create challenges for the materials selection, because the hardness grades of the steels alone do not reveal the true nature of their wear behavior. In this study, five commercial wear resistant steels were tested using three application oriented test methods with five different test variables for abrasion, impact-abrasion, and slurry erosion. All the used test methods produced high-stress conditions that crushed the used mineral abrasive, plastically deformed the sample surfaces, and led to the formation of adiabatic shear bands. When the results produced by the chosen methods were compared, the normalization of the wear losses by the wear area and test time revealed well the differences between the methods. The test methods ranked the steels similarly, but there were clear differences in the wear rates and wear mechanisms between the tests. In addition, the abrasive methods produced surface adiabatic shear bands, while subsurface shear bands were initiated by the more impacting methods. In the studied conditions, the work hardening ability of the steel had a clear influence on its wear resistance, which largely explains the marked differences in the wear rates of the studied commercial 500HB grade steels.",
keywords = "Abrasion, Impact wear, Steel, Wear testing, ABRASIVE WEAR, BEHAVIOR, FIELD, RESISTANT STEELS, COMPRESSION, MICROSTRUCTURE",
author = "Kati Valtonen and Niko Ojala and Oskari Haiko and Veli-Tapani Kuokkala",
year = "2019",
month = "4",
day = "30",
doi = "10.1016/j.wear.2018.12.006",
language = "English",
volume = "426-427",
pages = "3--13",
journal = "Wear",
issn = "0043-1648",
publisher = "Elsevier",
number = "Part A",

}

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TY - JOUR

T1 - Comparison of various high-stress wear conditions and wear performance of martensitic steels

AU - Valtonen, Kati

AU - Ojala, Niko

AU - Haiko, Oskari

AU - Kuokkala, Veli-Tapani

PY - 2019/4/30

Y1 - 2019/4/30

N2 - The demanding environments typically encountered by the wear resistant steels create challenges for the materials selection, because the hardness grades of the steels alone do not reveal the true nature of their wear behavior. In this study, five commercial wear resistant steels were tested using three application oriented test methods with five different test variables for abrasion, impact-abrasion, and slurry erosion. All the used test methods produced high-stress conditions that crushed the used mineral abrasive, plastically deformed the sample surfaces, and led to the formation of adiabatic shear bands. When the results produced by the chosen methods were compared, the normalization of the wear losses by the wear area and test time revealed well the differences between the methods. The test methods ranked the steels similarly, but there were clear differences in the wear rates and wear mechanisms between the tests. In addition, the abrasive methods produced surface adiabatic shear bands, while subsurface shear bands were initiated by the more impacting methods. In the studied conditions, the work hardening ability of the steel had a clear influence on its wear resistance, which largely explains the marked differences in the wear rates of the studied commercial 500HB grade steels.

AB - The demanding environments typically encountered by the wear resistant steels create challenges for the materials selection, because the hardness grades of the steels alone do not reveal the true nature of their wear behavior. In this study, five commercial wear resistant steels were tested using three application oriented test methods with five different test variables for abrasion, impact-abrasion, and slurry erosion. All the used test methods produced high-stress conditions that crushed the used mineral abrasive, plastically deformed the sample surfaces, and led to the formation of adiabatic shear bands. When the results produced by the chosen methods were compared, the normalization of the wear losses by the wear area and test time revealed well the differences between the methods. The test methods ranked the steels similarly, but there were clear differences in the wear rates and wear mechanisms between the tests. In addition, the abrasive methods produced surface adiabatic shear bands, while subsurface shear bands were initiated by the more impacting methods. In the studied conditions, the work hardening ability of the steel had a clear influence on its wear resistance, which largely explains the marked differences in the wear rates of the studied commercial 500HB grade steels.

KW - Abrasion

KW - Impact wear

KW - Steel

KW - Wear testing

KW - ABRASIVE WEAR

KW - BEHAVIOR

KW - FIELD

KW - RESISTANT STEELS

KW - COMPRESSION

KW - MICROSTRUCTURE

U2 - 10.1016/j.wear.2018.12.006

DO - 10.1016/j.wear.2018.12.006

M3 - Article

VL - 426-427

SP - 3

EP - 13

JO - Wear

JF - Wear

SN - 0043-1648

IS - Part A

ER -