Journal of Materials Science

, Volume 29, Issue 21, pp 5719–5724 | Cite as

Processing characteristics of Al/W composite under 1 g conditions

  • S. C. Sharma
  • P. R. Narayanan
  • P. P. Sinha
  • K. V. Nagarajan


The segregation features and interface characteristics in an Al/W composite system processed through liquid metallurgy technique under 1 g conditions has been studied. The effect of various melting parameters on the Al/W system containing 60 wt% (about 20 at%) tungsten particles, was investigated and the consequent metallographic features of these composites were studied. Although most of the segregation of tungsten particles was observed at the bottom of the sample, segregation was also noticed towards the side walls and the top portion of the sample. The segregation pattern is explained in terms of force under Stoke's law and conventional convection. The formation of intermetallic compounds between aluminium and tungsten, and limited solubility between these two elements, is also reported.


Polymer Convection Tungsten Intermetallic Compound Material Processing 
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Copyright information

© Chapman & Hall 1994

Authors and Affiliations

  • S. C. Sharma
    • 1
  • P. R. Narayanan
    • 1
  • P. P. Sinha
    • 1
  • K. V. Nagarajan
    • 1
  1. 1.Materials and Metallurgy GroupVikram Sarabhai Space CentreTrivandrumIndia

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