Effect of prior austenite grain size on the abrasive wear resistance of ultra-high strength martensitic steels

Oskari Haiko; Vahid Javaheri; Kati Valtonen; Antti Kaijalainen; Jaakko Hannula; Jukka Kömi

doi:10.1016/j.wear.2020.203336

Effect of prior austenite grain size on the abrasive wear resistance of ultra-high strength martensitic steels

Oskari Haiko, Vahid Javaheri, Kati Valtonen, Antti Kaijalainen, Jaakko Hannula, Jukka Kömi

Materiaalitiede ja ympäristötekniikka

Tutkimustuotos: Artikkeli › Tieteellinen › vertaisarvioitu

53 Sitaatiot (Scopus)

12 Lataukset (Pure)

Abstrakti

Prior austenite grain size has a marked effect on the hardenability, strength, and impact toughness properties of steels. This study was conducted in order to understand the effect of prior austenite grain size and morphology on the mechanical properties and abrasive wear performance of an ultra-high strength steel. A commercial quenched 500 HB grade wear-resistant steel was selected for the study: the steel was austenitized at two different temperatures and compared to the original, as-received quenched condition. The resulting mean prior austenite grain size was ranging from 14 μm to 34 μm. The decrease in grain size improved the low-temperature impact toughness properties. A high stress abrasive wear testing method with natural granite abrasives was utilized for the evaluation of abrasive wear resistance. The results suggest that decreasing the prior austenite grain size improves the abrasive wear resistance with similar hardness level martensitic steels. In addition, high-resolution electron backscatter diffraction measurements revealed formation of ultra-fine grain structures in the severely deformed regions of the wear surfaces.

Alkuperäiskieli	Englanti
Artikkeli	203336
Sivumäärä	13
Julkaisu	Wear
Vuosikerta	454-455
Varhainen verkossa julkaisun päivämäärä	16 toukok. 2020
DOI - pysyväislinkit	https://doi.org/10.1016/j.wear.2020.203336
Tila	Julkaistu - 15 elok. 2020
OKM-julkaisutyyppi	A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä

Rahoitus

This research has been done within the program Steel Ecosystem for Focused Applications (StEFA). We gratefully acknowledge financial support from Business Finland and the companies participating in the program. The corresponding author would also like to express his gratitude for the support provided by the University of Oulu Graduate School through the Advanced Materials Doctoral Program (ADMA-DP). Jenny and Antti Wihuri Foundation , Tauno Tönning Foundation , and Walter Ahlström Foundation are also acknowledged for their financial support to the corresponding author.

Julkaisufoorumi-taso

Jufo-taso 2

!!ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

Pääsy asiakirjaan

10.1016/j.wear.2020.203336

Effect of grain size on the abrasive wear resistance_final
CC BY-NC-ND
Accepted author manuscript, 30,7 MBLisenssi: CC BY-NC-ND

http://urn.fi/URN:NBN:fi:tuni-202101071086Lisenssi: CC BY-NC-ND

Siteeraa tätä

@article{81ba1f9970b8483f90924f056e6380f6,

title = "Effect of prior austenite grain size on the abrasive wear resistance of ultra-high strength martensitic steels",

abstract = "Prior austenite grain size has a marked effect on the hardenability, strength, and impact toughness properties of steels. This study was conducted in order to understand the effect of prior austenite grain size and morphology on the mechanical properties and abrasive wear performance of an ultra-high strength steel. A commercial quenched 500 HB grade wear-resistant steel was selected for the study: the steel was austenitized at two different temperatures and compared to the original, as-received quenched condition. The resulting mean prior austenite grain size was ranging from 14 μm to 34 μm. The decrease in grain size improved the low-temperature impact toughness properties. A high stress abrasive wear testing method with natural granite abrasives was utilized for the evaluation of abrasive wear resistance. The results suggest that decreasing the prior austenite grain size improves the abrasive wear resistance with similar hardness level martensitic steels. In addition, high-resolution electron backscatter diffraction measurements revealed formation of ultra-fine grain structures in the severely deformed regions of the wear surfaces.",

keywords = "Abrasion, Electron microscopy, Hardness, Steel, Wear testing",

author = "Oskari Haiko and Vahid Javaheri and Kati Valtonen and Antti Kaijalainen and Jaakko Hannula and Jukka K{\"o}mi",

year = "2020",

month = aug,

day = "15",

doi = "10.1016/j.wear.2020.203336",

language = "English",

volume = "454-455",

journal = "Wear",

issn = "0043-1648",

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}

TY - JOUR

T1 - Effect of prior austenite grain size on the abrasive wear resistance of ultra-high strength martensitic steels

AU - Haiko, Oskari

AU - Javaheri, Vahid

AU - Valtonen, Kati

AU - Kaijalainen, Antti

AU - Hannula, Jaakko

AU - Kömi, Jukka

PY - 2020/8/15

Y1 - 2020/8/15

N2 - Prior austenite grain size has a marked effect on the hardenability, strength, and impact toughness properties of steels. This study was conducted in order to understand the effect of prior austenite grain size and morphology on the mechanical properties and abrasive wear performance of an ultra-high strength steel. A commercial quenched 500 HB grade wear-resistant steel was selected for the study: the steel was austenitized at two different temperatures and compared to the original, as-received quenched condition. The resulting mean prior austenite grain size was ranging from 14 μm to 34 μm. The decrease in grain size improved the low-temperature impact toughness properties. A high stress abrasive wear testing method with natural granite abrasives was utilized for the evaluation of abrasive wear resistance. The results suggest that decreasing the prior austenite grain size improves the abrasive wear resistance with similar hardness level martensitic steels. In addition, high-resolution electron backscatter diffraction measurements revealed formation of ultra-fine grain structures in the severely deformed regions of the wear surfaces.

AB - Prior austenite grain size has a marked effect on the hardenability, strength, and impact toughness properties of steels. This study was conducted in order to understand the effect of prior austenite grain size and morphology on the mechanical properties and abrasive wear performance of an ultra-high strength steel. A commercial quenched 500 HB grade wear-resistant steel was selected for the study: the steel was austenitized at two different temperatures and compared to the original, as-received quenched condition. The resulting mean prior austenite grain size was ranging from 14 μm to 34 μm. The decrease in grain size improved the low-temperature impact toughness properties. A high stress abrasive wear testing method with natural granite abrasives was utilized for the evaluation of abrasive wear resistance. The results suggest that decreasing the prior austenite grain size improves the abrasive wear resistance with similar hardness level martensitic steels. In addition, high-resolution electron backscatter diffraction measurements revealed formation of ultra-fine grain structures in the severely deformed regions of the wear surfaces.

KW - Abrasion

KW - Electron microscopy

KW - Hardness

KW - Steel

KW - Wear testing

U2 - 10.1016/j.wear.2020.203336

DO - 10.1016/j.wear.2020.203336

M3 - Article

AN - SCOPUS:85085742604

SN - 0043-1648

VL - 454-455

JO - Wear

JF - Wear

M1 - 203336

ER -

Effect of prior austenite grain size on the abrasive wear resistance of ultra-high strength martensitic steels

Abstrakti

Rahoitus

Julkaisufoorumi-taso

!!ASJC Scopus subject areas

Pääsy asiakirjaan

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