Structure and abrasive wear of composite HSS M2/WC coating

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Abstract

Features of phase-structure formation and abrasive wear resistance of composite coatings WC-M2 steel worn against tungsten monocarbide have been investigated. It was established that adding 20 wt. WC to the deposited powder mixture leads to the increase in M 6C carbide content. These carbides show a multimodal size distribution consisting of ∼5.9 μm eutectic carbides along the grain boundaries, ∼0.25 μm carbides dispersed inside the grains. Also a greater amount of metastable austenite (∼88 vol.) is found. The high abrasive wear resistance of these coatings is provided by γ → α′ -martensitic transformation and multimodal size distribution of reinforcing particles.

Original languageEnglish
Article number502714
JournalAdvances in Tribology
DOIs
Publication statusPublished - 2012

Fingerprint

Abrasion
Carbides
Coatings
Composite materials
Wear resistance
Tungsten
Steel
Composite coatings
Martensitic transformations
Phase structure
Austenite
Powders
Eutectics
Grain boundaries

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Mechanical Engineering

Cite this

Structure and abrasive wear of composite HSS M2/WC coating. / Gnyusov, S. F.; Durakov, V. G.; Tarasov, Sergei Yulievich.

In: Advances in Tribology, 2012.

Research output: Contribution to journalArticle

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