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Emission mitigation potential of lightweight intermetallic TiAl components

N.P Lavery, D.J Jarvis, D Voss, Nicholas Lavery Orcid Logo

Intermetallics, Volume: 19, Issue: 6, Pages: 787 - 792

Swansea University Author: Nicholas Lavery Orcid Logo

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DOI (Published version): 10.1016/j.intermet.2010.11.019

Abstract

The lifecyle environmental impact was compared between two gamma titanium aluminide (gamma-TiAl) alloys, Ti-46Al-8Nb and Ti-46Al-8Ta (at.%), and a standard nickel superalloy (INC713LC) as used for investment cast components in the low pressure (LP) turbine section of aircraft engines. The results su...

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Published in: Intermetallics
ISSN: 0966-9795
Published: 2011
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URI: https://cronfa.swan.ac.uk/Record/cronfa12318
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Abstract: The lifecyle environmental impact was compared between two gamma titanium aluminide (gamma-TiAl) alloys, Ti-46Al-8Nb and Ti-46Al-8Ta (at.%), and a standard nickel superalloy (INC713LC) as used for investment cast components in the low pressure (LP) turbine section of aircraft engines. The results suggest that over the complete lifetime, the weight reduction by direct replacement could give significant reductions in CO(2) emissions, greatly outweighing other environmental impacts during the mining, processing, manufacturing and recycling.
Item Description: This paper was published in a special edition of Intermetallics (5-year IF 1.926, ranked 8th in Metallurgy and Metallurgical Engineering) on TiAl in 2011, and represents the summary of the life cycle assessment of two gamma titanium aluminide alloys done for the 41M Euro IMPRESS FP6 project. The work required detailed collaboration with project partners such as University of Birmingham, Doncasters, Rolls-Royce, RWTH (Aachen, Germany) and other European partners on the project. Has recently led to enquiries by Siemens on the methodology of life cycle inventory for the primary extraction of Niobium, as it is the first time this data has been published. Company contact David.J.Jarvis@esa.int.
College: Faculty of Science and Engineering
Issue: 6
Start Page: 787
End Page: 792

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