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Effects of composition and microstructure on the abrasive wear performance of quenched wear resistant steels

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Details

Original languageEnglish
Pages (from-to)225-232
Number of pages8
JournalWear
Volume317
Issue number1-2
DOIs
Publication statusPublished - 15 Sep 2014
Publication typeA1 Journal article-refereed

Abstract

Wear resistant steels are commonly categorized by their hardness, and in the case of quenched wear resistant steels, their Brinell hardness grades are widely considered almost as standards. In this study, the abrasive wear performance of 15 commercially available 400 HB grade quenched wear resistant steels from all over the world were tested with granite gravel in high stress conditions. The aim was to evaluate the real wear performance of nominally similar steels. Also properties such as hardness, hardness profiles, microstructures and chemical compositions of the steels were studied and reasons for the differences in their wear performance further discussed. In terms of mass loss, over 50% differences were recorded in the abrasive wear performance of the studied steels. Variations in the chemical compositions were linked to the auto-tempered microstructures of the steels, and the microstructural characteristics were further linked to their ultimate wear behavior. © 2014 Elsevier B.V.

Keywords

  • Abrasion, Hardness, Microstructure, Mineral processing, Steel, Wear testing

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Field of science, Statistics Finland

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