Effect of abrasive properties on the high-stress three-body abrasion of steels and hard metals

V. Ratia, V. Heino, Kati Valtonen, Minnamari Vippola, A. Kemppainen, P. Siitonen, Veli-Tapani Kuokkala

Research output: Contribution to journalArticleScientificpeer-review

16 Citations (Scopus)

Abstract

Especially in tunneling, the abrasiveness of rock is an important property, which can easily be determined by several methods developed for the purpose. With this in mind, it is rather surprising that the effects of different rock types on the wear mechanisms of engineering materials have not been too widely studied. In this paper, high stress three-body abrasive tests were conducted with four different abrasives with a relatively large (2-10 mm) particle size. As test materials, three different steels and three hard metals were used. The tests clearly showed that material type has an influence on how different abrasive and material properties affect the abrasive wear mechanisms and severity. For example with hard metals, me most important property of the abrasives is their crushability, as only small abrasive particles are able to properly attack the binder phase and cause high wear rates. On the other hand, it seems that the abrasiveness of rock is not the dominating property determining the severity of wear in the current test conditions for any of the tested materials. In fact, with steels no single abrasive property could be shown to clearly govern the abrasive wear processes. In any case, when using the determined abrasiveness values in wear estimations, the contact conditions in the method used for determining the abrasiveness values should be as similar as possible with the end application.
Original languageEnglish
Pages (from-to)3-18
JournalTribologia
Volume32
Issue number1
Publication statusPublished - 2014
MoE publication typeA1 Journal article-refereed

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abrasion
Steel
abrasives
Abrasives
Abrasion
steels
Metals
Wear of materials
metals
Rocks
rocks
materials tests
Binders
hard metal
Materials properties
Particle size
attack
engineering
causes

Cite this

Ratia, V., Heino, V., Valtonen, K., Vippola, M., Kemppainen, A., Siitonen, P., & Kuokkala, V-T. (2014). Effect of abrasive properties on the high-stress three-body abrasion of steels and hard metals. Tribologia, 32(1), 3-18.
Ratia, V. ; Heino, V. ; Valtonen, Kati ; Vippola, Minnamari ; Kemppainen, A. ; Siitonen, P. ; Kuokkala, Veli-Tapani. / Effect of abrasive properties on the high-stress three-body abrasion of steels and hard metals. In: Tribologia. 2014 ; Vol. 32, No. 1. pp. 3-18.
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Ratia, V, Heino, V, Valtonen, K, Vippola, M, Kemppainen, A, Siitonen, P & Kuokkala, V-T 2014, 'Effect of abrasive properties on the high-stress three-body abrasion of steels and hard metals', Tribologia, vol. 32, no. 1, pp. 3-18.

Effect of abrasive properties on the high-stress three-body abrasion of steels and hard metals. / Ratia, V.; Heino, V.; Valtonen, Kati; Vippola, Minnamari; Kemppainen, A.; Siitonen, P.; Kuokkala, Veli-Tapani.

In: Tribologia, Vol. 32, No. 1, 2014, p. 3-18.

Research output: Contribution to journalArticleScientificpeer-review

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