The effect of thermal cycling by electron-beam surfacing on structure and wear resistance of deposited M2 steel

S. F. Gnyusov, A. A. Ignatov, V. G. Durakov, Sergei Yulievich Tarasov

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Structural features of coatings obtained by multiple-pass electron beam cladding of M2 steel powder on steel substrates have been investigated. It is established that a multi-modal size distribution (d1 = 3.8 μm, d2 = 0.65 μm, d3 < 0.25 μm) of reinforcement particles was generated in the carbide subsystem of the clad layer. The volume content of secondary carbides M6C and residual austenite of matrix can be changed in the wide range depending on the thermal cycling induced by incident electron beam. The higher is the content of the retained austenite in the coating, the higher is the wear resistance of the coating due to γ → α′ transformation in cooling and precipitation of secondary carbides in the matrix grains.

Original languageEnglish
Pages (from-to)215-222
Number of pages8
JournalApplied Surface Science
Volume263
DOIs
Publication statusPublished - 15 Dec 2012

Fingerprint

Hard facing
Steel
Thermal cycling
Wear resistance
Carbides
Electron beams
Coatings
Austenite
Powders
Reinforcement
Cooling
Substrates

Keywords

  • Electron-beam cladding
  • High speed steel
  • Structural-phase composition
  • Thermal cycling
  • Wear resistance

ASJC Scopus subject areas

  • Surfaces, Coatings and Films

Cite this

The effect of thermal cycling by electron-beam surfacing on structure and wear resistance of deposited M2 steel. / Gnyusov, S. F.; Ignatov, A. A.; Durakov, V. G.; Tarasov, Sergei Yulievich.

In: Applied Surface Science, Vol. 263, 15.12.2012, p. 215-222.

Research output: Contribution to journalArticle

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