Auger spectrometric studies on fracture surfaces of tool steel

K. Romhányi, Zs Szász Csih, G. Gergely, M. Menyhárd

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The fracture surfaces of tool steel K‐13 (Hungarian Standard) were studied by Auger electron spectroscopy. Notched specimens of 3 × 3 mm2 were fractured in UHV (6 × 10−8 Pa) with a fracturer (Riber FR 100) and studied with a CMA analyser (Riber OPC 103). With our modification the fracturer was operated within the −150°C −+230°C temperature range. The fracture surfaces were tested with a scanning electron microscope (JEOL JSM 35). The evaluation of Auger spectra was based on the PHI (PALMBERG et al.). Handbook, however the backscattering correction of Jablonski was applied in some cases. The choice of adequate fracturing temperature proved to be very important. Low temperature fracture of this steel alloy is producing very rigid transgranular fracture. The effects of sample heat treatment and of fracturing temperature as well were studied in details. The Auger spectra of fracture surfaces are strongly affected by the heat treatment of the samples. The grain boundary fracture surface of a sample austenitized at 1100°C quenched and tempered at 600°C exhibited a strong enrichment of P, correlating with the enrichment of Cr, V and Mo. The transgranular fracture surface of the same sample but without tempering corresponded to the bulk composition. In some cases and spots on the fracture surfaces, giant S or P peaks were associated with secondary phases (inclusions) on the SEM pictures.

Original languageEnglish
Pages (from-to)471-477
Number of pages7
JournalCrystal Research and Technology
Volume15
Issue number4
DOIs
Publication statusPublished - 1980

Fingerprint

Tool steel
steels
fracturing
heat treatment
Heat treatment
handbooks
Temperature
tempering
Alloy steel
Tempering
Auger electron spectroscopy
Backscattering
Auger spectroscopy
temperature
electron spectroscopy
backscattering
Grain boundaries
Electron microscopes
grain boundaries
electron microscopes

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Auger spectrometric studies on fracture surfaces of tool steel. / Romhányi, K.; Csih, Zs Szász; Gergely, G.; Menyhárd, M.

In: Crystal Research and Technology, Vol. 15, No. 4, 1980, p. 471-477.

Research output: Contribution to journalArticle

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