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

    23 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",
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    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

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    AU - Laukkanen, Anssi

    AU - Molnar, Wolfgang

    AU - Holmberg, Kenneth

    AU - Kuokkala, Veli-Tapani

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    AB - 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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