Monash University
Final Thesis_Jayshri Dumbre.pdf (7.09 MB)

Precipitation of Sc-containing phases in Al-Si-Sc alloys

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posted on 2021-02-07, 08:55 authored by Jayshri Milind Dumbre
Aluminium alloys are increasingly gaining importance in the automotive and aerospace sectors due to their good combination of properties and lightweight. The development of new lightweight alloys holds the potential to improve its fuel efficiency and ultimately the CO2 emission level leading to clean air. This inspired us for the lab-scale development of a new lightweight aluminium alloy containing scandium. The nano-sized coffee bean shaped particles were formed, which are the main cause of the improved mechanical performance of the alloy. Special manufacturing practice, which involves controlled thermo-mechanical processing and heat treatments, was adapted to form this desired microstructure in the said alloy. Various characterisation techniques were utilised to understand the structural, chemical, and physical characteristics of the scandium-containing phases in the alloys.


Campus location


Principal supervisor

Nick Birbilis

Additional supervisor 1

Thomas Dorin

Additional supervisor 2

Yuman Zhu

Year of Award


Department, School or Centre

Materials Science and Engineering


Doctor of Philosophy

Degree Type