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Impact-abrasive and abrasive wear behavior of low carbon steels with a range of hardness-toughness properties

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Impact-abrasive and abrasive wear behavior of low carbon steels with a range of hardness-toughness properties. / Saha, Gourab; Valtonen, Kati; Saastamoinen, Ari; Peura, Pasi; Kuokkala, Veli-Tapani.

In: Wear, Vol. 450-451, 203263, 2020.

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@article{9ead635a3b094bff82d15b2bd5539a6e,
title = "Impact-abrasive and abrasive wear behavior of low carbon steels with a range of hardness-toughness properties",
abstract = "This work investigates steels for mining wear applications involving abrasive and impact-abrasive conditions. The study comprises four low carbon steels with a range of hardness-toughness combinations: a commercial grade martensitic steel, the same steel heat treated to lower bainite, a commercial TRIP steel (tensile strength grade 700 MPa), and a quenching-partitioning (QP) steel. The steels were subjected to crushing pin-on-disc (CPOD) and slurry-pot wear tests, offering reasonably high-stress abrasive and impact-abrasive conditions, respectively. The results showed that the best performer in both studied wear conditions is the martensitic steel due to its higher initial hardness. Nevertheless, the performance benefit of this steel was of lesser magnitude in the slurry-pot than in the CPOD tests. On the other hand, the TRIP steel showed poor ranking in the CPOD tests but outperformed the QP and lower bainite steels in the slurry-pot tests. Detailed surface and subsurface wear damage investigations were conducted to study the wear responses of the microstructural constituents of the steels to explain their wear behavior in different wear conditions.",
keywords = "Impact-abrasive wear, Mining and mineral processing, Steels, Retained austenite, Transformation induced plasticity (TRIP), Wear testing",
author = "Gourab Saha and Kati Valtonen and Ari Saastamoinen and Pasi Peura and Veli-Tapani Kuokkala",
year = "2020",
doi = "10.1016/j.wear.2020.203263",
language = "English",
volume = "450-451",
journal = "Wear",
issn = "0043-1648",
publisher = "Elsevier",

}

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TY - JOUR

T1 - Impact-abrasive and abrasive wear behavior of low carbon steels with a range of hardness-toughness properties

AU - Saha, Gourab

AU - Valtonen, Kati

AU - Saastamoinen, Ari

AU - Peura, Pasi

AU - Kuokkala, Veli-Tapani

PY - 2020

Y1 - 2020

N2 - This work investigates steels for mining wear applications involving abrasive and impact-abrasive conditions. The study comprises four low carbon steels with a range of hardness-toughness combinations: a commercial grade martensitic steel, the same steel heat treated to lower bainite, a commercial TRIP steel (tensile strength grade 700 MPa), and a quenching-partitioning (QP) steel. The steels were subjected to crushing pin-on-disc (CPOD) and slurry-pot wear tests, offering reasonably high-stress abrasive and impact-abrasive conditions, respectively. The results showed that the best performer in both studied wear conditions is the martensitic steel due to its higher initial hardness. Nevertheless, the performance benefit of this steel was of lesser magnitude in the slurry-pot than in the CPOD tests. On the other hand, the TRIP steel showed poor ranking in the CPOD tests but outperformed the QP and lower bainite steels in the slurry-pot tests. Detailed surface and subsurface wear damage investigations were conducted to study the wear responses of the microstructural constituents of the steels to explain their wear behavior in different wear conditions.

AB - This work investigates steels for mining wear applications involving abrasive and impact-abrasive conditions. The study comprises four low carbon steels with a range of hardness-toughness combinations: a commercial grade martensitic steel, the same steel heat treated to lower bainite, a commercial TRIP steel (tensile strength grade 700 MPa), and a quenching-partitioning (QP) steel. The steels were subjected to crushing pin-on-disc (CPOD) and slurry-pot wear tests, offering reasonably high-stress abrasive and impact-abrasive conditions, respectively. The results showed that the best performer in both studied wear conditions is the martensitic steel due to its higher initial hardness. Nevertheless, the performance benefit of this steel was of lesser magnitude in the slurry-pot than in the CPOD tests. On the other hand, the TRIP steel showed poor ranking in the CPOD tests but outperformed the QP and lower bainite steels in the slurry-pot tests. Detailed surface and subsurface wear damage investigations were conducted to study the wear responses of the microstructural constituents of the steels to explain their wear behavior in different wear conditions.

KW - Impact-abrasive wear

KW - Mining and mineral processing

KW - Steels

KW - Retained austenite

KW - Transformation induced plasticity (TRIP)

KW - Wear testing

U2 - 10.1016/j.wear.2020.203263

DO - 10.1016/j.wear.2020.203263

M3 - Article

VL - 450-451

JO - Wear

JF - Wear

SN - 0043-1648

M1 - 203263

ER -