Spark plasma sintering behavior of Ti-3Al-1Mo alloy

Samson Olaitan Jeje, Mxolisi Brendon Shongwe, Azeez Lawan Rominiyi, Bukola Joseph Babalola, Peter Apata Olubambi

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)

Abstract

Titanium alloys with 3 wt% Al and 1 wt% Mo were prepared at different sintering temperatures (800 °C, 1000 °C, and 1100 °C) via spark plasma sintering technique. Sintering temperature effect on the compact's properties was investigated. The punch displacement curves show three distinct regions: particle rearrangement, solution precipitation, and thermal contraction. The microstructure shows the emergence of b Ti phase into the a Ti phase matrix as the sintering temperature increase. The relative density and microhardness values were found to increase with a decrease in porosity with the compact sintered at 1000 °C having the maximum values of 99.9% and 290 ± 21 HV respectively. An increment of 83.31% was obtained in the hardness value as the sintering temperature increased from 800 °C to 1000 °C.

Original languageEnglish
Pages (from-to)1121-1125
Number of pages5
JournalMaterials Today: Proceedings
Volume38
DOIs
Publication statusPublished - 1 Jan 2021
Event2020 International Symposium on Nanostructured, Nanoengineered and Advanced Materials, ISNNAM 2020 - Gold Reef City, South Africa
Duration: 30 Apr 20203 May 2020

Keywords

  • Densification
  • Hardness
  • Microstructure
  • Spark plasma sintering
  • Titanium alloy

ASJC Scopus subject areas

  • General Materials Science

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