Sensitivity of wear rates in the micro-scale abrasion test to test conditions and material hardness

K. Adachi, I. M. Hutchings

Research output: Contribution to journalArticlepeer-review

65 Citations (Scopus)

Abstract

Micro-scale abrasion (ball cratering) tests were performed with different combinations of ball and bulk specimen materials, under different test conditions, such as load and abrasive slurry concentration. Wear modes were classified into two types: with rolling particle motion and with grooving particle motion. Wear rates observed with rolling particle motion were relatively insensitive to test conditions, whereas with grooving motion they varied much more. It is suggested that rolling abrasion is therefore a more appropriate mode if reproducible test results are desired. The motion of the abrasive particles can be reliably predicted from the knowledge of hardnesses and elastic properties of the ball and the specimen, and from the normal load and the abrasive slurry concentration. General trends in wear resistance measured in the micro-scale abrasion test with rolling particle motion are similar to those reported in tests with fixed abrasives with sliding particle motion, although the variation in wear resistance with hardness is significantly smaller.

Original languageEnglish
Pages (from-to)318-321
Number of pages4
JournalWEAR
Volume258
Issue number1-4 SPEC. ISS.
DOIs
Publication statusPublished - 2005 Jan

Keywords

  • Ball cratering
  • Micro-scale abrasion
  • Three-body abrasion
  • Two-body abrasion

ASJC Scopus subject areas

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

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