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Impacts of Mineralogy on Soluble Phosphorus Concentrations During Low Temperature Processing of Jamaican Bauxites Read chapter Read first chapter

2020 | OriginalPaper | Chapter

Nanoindentation and Cavitation-Induced Fragmentation Study of Primary Al3Zr Intermetallics Formed in Al Alloys

Authors : Abhinav Priyadarshi, Tungky Subroto, Marcello Conte, Koulis Pericelous, Dmitry Eskin, Paul Prentice, Iakovos Tzanakis

Published in: Light Metals 2020

Publisher: Springer International Publishing

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Abstract

Mechanical properties of primary Al3Zr crystals and their in situ fragmentation behaviour under the influence of a single laser induced cavitation bubble have been investigated using nanoindentation and high-speed imaging techniques, respectively. Linear loading of 10 mN was applied to the intermetallics embedded in the Al matrix using a geometrically well-defined diamond nano-indenter to obtain the mechanical properties at room temperature conditions. Primary Al3Zr crystals were also extracted by dissolving the aluminium matrix of an Al-3wt% Zr alloy. The extracted primary crystals were also subjected to cavitation action in deionized water to image the fracture sequence in real time. Fragmentation of the studied intermetallics was recorded at 500,000 frames per second. Results showed that the intermetallic crystals fail by brittle fracture mode most likely due to the repeatedly-generated shock waves from the collapsing bubbles. The results were interpreted in terms of fracture mechanics using the nanoindentation results.

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previous chapter Molecular Dynamics Simulations of the Solidification of Pure Aluminium
next chapter In Situ Neutron Diffraction Solidification Analyses of Rare Earth Reinforced Hypoeutectic and Hypereutectic Aluminum–Silicon Alloys
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Metadata
Title
Nanoindentation and Cavitation-Induced Fragmentation Study of Primary Al3Zr Intermetallics Formed in Al Alloys
Authors
Abhinav Priyadarshi
Tungky Subroto
Marcello Conte
Koulis Pericelous
Dmitry Eskin
Paul Prentice
Iakovos Tzanakis
Copyright Year
2020
Book
Light Metals 2020

Print ISBN: 978-3-030-36407-6

Electronic ISBN: 978-3-030-36408-3

Copyright Year: 2020

DOI
https://doi.org/10.1007/978-3-030-36408-3_23

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