High-stress abrasive wear performance of medium-carbon direct-quenched and partitioned, carbide-free bainitic, and martensitic steels

Oskari Haiko, Sakari Pallaspuro, Vahid Javaheri, Pentti Kaikkonen, Sumit Ghosh, Kati Valtonen, Antti Kaijalainen, Jukka Kömi

Research output: Contribution to journalArticleScientificpeer-review

10 Citations (Scopus)
3 Downloads (Pure)

Abstract

Experimental steels, a direct-quenched and partitioned (DQP) steel and a carbide-free bainitic steel (CFB), were tested along with a commercial martensitic 500 HB grade wear resistant steel in high-stress abrasive conditions. The three steels had different microstructures consisting of varying fractions and morphologies of martensite, retained austenite, and bainitic ferrite. The results showed that the CFB steel had a lower mass loss compared to the martensitic 500 HB steel with a similar hardness level. The DQP steel had a higher initial hardness and outperformed the other two steels. Wear surface characterization revealed that the investigated steels had significant work hardening of the wear surface, except with different mechanisms. Transformation induced plasticity (TRIP) increased the hardness of the DQP and CFB steels, while the fully martensitic 500 HB had more white layer formation on the wear surface resulting in increased hardness.

Original languageEnglish
Article number204925
JournalWear
Volume526-527
DOIs
Publication statusPublished - 15 Aug 2023
Publication typeA1 Journal article-refereed

Keywords

  • Abrasion
  • Microstructure
  • Steel
  • Wear testing

Publication forum classification

  • Publication forum level 3

ASJC Scopus subject areas

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

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