Carbide formation in Al-Ti mechanical alloys

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Abstract

Formation of aluminum and titanium carbides was observed in Al-Ti mechanical alloys prepared with stearic acid as process control agent. Thermal analysis showed that Al4C3 forms as a result of carbon contamination together with Al3Ti phases, which react at ∼900 °C to form TiC1-x and Al melt. This transition causes a previously unexplained equilibrium transition.

Original languageEnglish (US)
Pages (from-to)1095-1099
Number of pages5
JournalScripta Materialia
Volume53
Issue number9
DOIs
StatePublished - Nov 2005

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

Keywords

  • Carbides
  • Differential scanning calorimetry
  • Mechanical alloying
  • Titanium aluminides

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