The effect of impact conditions on the wear and deformation behavior of wear resistant steels

Matti Lindroos (Corresponding Author), Vilma Ratia, Marian Apostol, Kati Valtonen, Anssi Laukkanen, Wolfgang Molnar, Kenneth Holmberg, Veli-Tapani Kuokkala

Research output: Contribution to journalArticleScientificpeer-review

22 Citations (Scopus)

Abstract

The deformation and wear behavior of four high strength wear resistant steels were studied in various impact conditions to evaluate their performance in applications involving heavy impacts and impact- abrasion. In the normal direction impacts, the studies were conducted with single and repeated (multiple) drop tests. To better simulate the actual application conditions, the samples were positioned at an angle relative to the impact direction in the tests with the high velocity particle impactor (HVPI) device. The effect of strain rate was investigated using constant size projectiles made from materials with different density but keeping the impact energy constant by varying the incident projectile velocity. The effect of surface hardening on the wear resistance of the high strength steels was determined by impacting the same surface area multiple times at a constant velocity using spherical high velocity projectiles. Regardless of the rather similar hardness of the studied three martensitic steel grades, the impact behavior showed differences in wear rate and damage mechanisms in each case due to the microstructural characteristics of the materials. The adiabatic shear bands forming in the martensitic steels at higher loading rates were found to increase the wear rate. Moreover, the carbide reinforced steel performed in general better than the martensitic grades but showed more brittle behavior and generation of crack networks that can affect the wear performance of the material.
Original languageEnglish
Pages (from-to)197-205
JournalWear
Volume328-329
DOIs
Publication statusPublished - 2015
MoE publication typeA1 Journal article-refereed

Fingerprint

Steel
Wear of materials
steels
Projectiles
Martensitic steel
projectiles
grade
Shear bands
drop tests
High strength steel
Abrasion
Wear resistance
loading rate
Carbides
Hardening
impactors
Strain rate
high strength steels
abrasion
Hardness

Keywords

  • high velocity impact
  • high strength steel
  • adiabatic shear bands (ABS)
  • wear testing
  • ProperTune

Cite this

Lindroos, Matti ; Ratia, Vilma ; Apostol, Marian ; Valtonen, Kati ; Laukkanen, Anssi ; Molnar, Wolfgang ; Holmberg, Kenneth ; Kuokkala, Veli-Tapani. / The effect of impact conditions on the wear and deformation behavior of wear resistant steels. In: Wear. 2015 ; Vol. 328-329. pp. 197-205.
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abstract = "The deformation and wear behavior of four high strength wear resistant steels were studied in various impact conditions to evaluate their performance in applications involving heavy impacts and impact- abrasion. In the normal direction impacts, the studies were conducted with single and repeated (multiple) drop tests. To better simulate the actual application conditions, the samples were positioned at an angle relative to the impact direction in the tests with the high velocity particle impactor (HVPI) device. The effect of strain rate was investigated using constant size projectiles made from materials with different density but keeping the impact energy constant by varying the incident projectile velocity. The effect of surface hardening on the wear resistance of the high strength steels was determined by impacting the same surface area multiple times at a constant velocity using spherical high velocity projectiles. Regardless of the rather similar hardness of the studied three martensitic steel grades, the impact behavior showed differences in wear rate and damage mechanisms in each case due to the microstructural characteristics of the materials. The adiabatic shear bands forming in the martensitic steels at higher loading rates were found to increase the wear rate. Moreover, the carbide reinforced steel performed in general better than the martensitic grades but showed more brittle behavior and generation of crack networks that can affect the wear performance of the material.",
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author = "Matti Lindroos and Vilma Ratia and Marian Apostol and Kati Valtonen and Anssi Laukkanen and Wolfgang Molnar and Kenneth Holmberg and Veli-Tapani Kuokkala",
year = "2015",
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Lindroos, M, Ratia, V, Apostol, M, Valtonen, K, Laukkanen, A, Molnar, W, Holmberg, K & Kuokkala, V-T 2015, 'The effect of impact conditions on the wear and deformation behavior of wear resistant steels', Wear, vol. 328-329, pp. 197-205. https://doi.org/10.1016/j.wear.2015.02.032

The effect of impact conditions on the wear and deformation behavior of wear resistant steels. / Lindroos, Matti (Corresponding Author); Ratia, Vilma; Apostol, Marian; Valtonen, Kati; Laukkanen, Anssi; Molnar, Wolfgang; Holmberg, Kenneth; Kuokkala, Veli-Tapani.

In: Wear, Vol. 328-329, 2015, p. 197-205.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Lindroos, Matti

AU - Ratia, Vilma

AU - Apostol, Marian

AU - Valtonen, Kati

AU - Laukkanen, Anssi

AU - Molnar, Wolfgang

AU - Holmberg, Kenneth

AU - Kuokkala, Veli-Tapani

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KW - adiabatic shear bands (ABS)

KW - wear testing

KW - ProperTune

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