Abstract
To investigate the evolution of bimetallic composite structure of immiscible alloy, a macroscopic core-shell type structure of 24Cu-16Sn-60Bi alloy was fabricated which consisted of (Cu3Sn, Cu10Sn3) central core and Bi periphery. Ce addition was found to be capable of enhancing remarkably Marangoni motion of secondary droplets in liquid matrix. The role of Ce addition was attributed to change interfacial tension of droplet/matrix. The results show the possibility of modulating core-shell type structure in immiscible materials by doping rare earth elements.
Original language | English |
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Pages (from-to) | 814-816 |
Number of pages | 3 |
Journal | Materials Letters |
Volume | 64 |
Issue number | 7 |
DOIs | |
Publication status | Published - 2010 Apr 15 |
Keywords
- Casting
- Core-shell structure
- Marangoni motion
- Metal matrix composites (MMC)
- Metals and alloys
- Solidification
ASJC Scopus subject areas
- Materials Science(all)
- Condensed Matter Physics
- Mechanics of Materials
- Mechanical Engineering