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Abrasive wear behavior of cryogenically treated boron steel (30MnCrB4) used for rotavator blades

  • Tejinder Pal Singh
  • , Anil Kumar Singla
  • , Jagtar Singh
  • , Kulwant Singh
  • , Munish Kumar Gupta
  • , Hansong Ji
  • , Qinghua Song
  • , Zhanqiang Liu
  • , Catalin I. Pruncu*
  • *Corresponding author for this work
  • Sant Longowal Institute of Engineering and Technology
  • Shandong University
  • University of Birmingham
  • Imperial College London

Research output: Contribution to journalArticlepeer-review

Abstract

Rotavator blades are prone to significant wear because of the abrasive nature of sand particles. The aim of this research work is to investigate the effect of cryogenic treatment and post tempering on abrasive wear behavior, in the presence of angular quartz sand (grain size of 212-425 μm), of rotavator blade material of boron steel (30MnCrB4). Cryogenic treatment has caused an improvement in the abrasive wear resistance and microhardness of 30MnCrB4 by 60% and 260.73%, respectively, compared to untreated material due to enhancement in hardness, the conversion of retained austenite into martensite, and the precipitation of secondary carbides in boron steel after exposure to cryogenic temperature. Economic analysis justifies the additional cost of cryogenic treatment.

Original languageEnglish
Article number436
JournalMaterials
Volume13
Issue number2
DOIs
Publication statusPublished - 1 Jan 2020
Externally publishedYes

Keywords

  • Abrasive wear
  • Austenitization
  • Cryogenic
  • Microhardness
  • Microstructure
  • Tempering

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