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|Title:||Application of external fields to the development of aluminum-based nanocomposite and master alloys|
Vadakke Madam, SK
Hari Babu, N
|Citation:||TMS Annual Meeting, 2015, 2015-March pp. 19 - 24|
|Abstract:||Application ultrasonic cavitation and high-energy pulses (e.g. detonation) is a promising way of incorporating reinforcing and grain refining particles in composite and master alloys. This paper gives an overview of research performed recently on the development of new technological approaches and materials with the aim to introduce and distribute nanoparticles in the matrix of aluminum alloys. Both types of particles, introduced externally or formed insitu are discussed. External fields are used for making concentrated master alloys, e.g. Alalumina with subsequent introduction of such a master alloy into the melt with the aid of ultrasonic cavitation; or for direct production of nanocomposites. The examples of implementation include Al-based composites reinforced with nanodiamonds, nanoalumina and nanospinel. The efficiency is illustrated by structure and properties characterization. The research is done within a European program on the application of external fields in liquid metal processing Exomet (EC grant 280421).|
|Appears in Collections:||Dept of Mechanical Aerospace and Civil Engineering Research Papers|
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