Microstructure and wear resistance of laser melted W/W2Ni3Si metal silicides matrix in situ composites

  • H. M. Wang*
  • , D. Y. Luan
  • , L. Y. Zhang
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

W/W2Ni3Si in situ composites consisting of primary tungsten dendrites and the interdendritic W2Ni3Si ternary metal silicide were fabricated by using laser melting furnace. The material possessed unique microstructural characteristic which combined the high strength and ductility of the W reinforcing phase with the high hardness and strong intermetallic atomic bonds of the ternary metal silicide. It was found that the composites exhibited excellent abrasive and adhesion wear resistance under both room and high-temperature sliding wear test conditions.

Original languageEnglish
Pages (from-to)1179-1184
Number of pages6
JournalScripta Materialia
Volume48
Issue number8
DOIs
StatePublished - 14 Apr 2003

Keywords

  • Composites
  • Intermetallic
  • Microstructure
  • Silicides
  • Wear

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