Microstructural characteristics of electron beam processed Al-2Sc

Tomus, Dacian; Qian, Ma; YU, Peng; Brice, Craig; Bettles, C; Muddle, Barrington

Microstructural characteristics of electron beam processed Al-2Sc

conference contribution

posted on 2024-10-31, 17:52 authored by Dacian Tomus, Ma QianMa Qian, Peng YU, Craig Brice, C Bettles, Barrington Muddle

Plate samples of Al-2Sc were processed with an electron beam (EB) gun in a vacuum of 10-3 Pa at 50kV and 30 µA. EB processing suppressed the formation of primary Al3Sc, altered the morphology of the eutectic a(Al)-Al3Sc, and increased the solubility of Sc in the eutectic a(Al). In addition, its cyclic heating effect induced the precipitation of Al3Sc. EB processing resulted in more profound hardening than conventional high temperature solid solution and ageing.

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1.
DOI - Is published in 10.4028/www.scientific.net/MSF.654-656.910
2.
ISBN - Is published in 9780878492558 (urn:isbn:9780878492558)

Start page

910

End page

913

Total pages

4

Outlet

Proceedings of 7th Pacific Rim International Conference on Advanced Materials and Processing

Editors

J. Nie and A. Morton

Name of conference

PRICM-7

Publisher

Trans Tech Publications

Place published

Switzerland

Start date

2010-08-02

End date

2010-08-06

Language

English

Copyright

Former Identifier

2006047218

Esploro creation date

2020-06-22

Fedora creation date

2015-01-15

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Keywords

Aluminium Electron beam direct manufacturing Precipitation hardening Scandium

Microstructural characteristics of electron beam processed Al-2Sc

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