Lo-Ex
Topic: Chemistry
From HandWiki - Reading time: 2 min
Lo-Ex is an aluminium alloy with a very small thermal expansion co-efficient. It contains approximately 14 per cent silicon, 2 per cent nickel, and 1 per cent each of copper and magnesium.[1]
Applications
It has been used extensively and successfully over the years for all types of piston,[2] including in Hillman Imp,[3] and Terraplane[4] engines.
LM13 is a related alloy in the Lo-Ex series, also widely used for diesel engine pistons.[5] This alloy contains 12% silicon, 1% copper and 1% magnesium.[5] Both of these alloys have also been used in a strengthened form, reinforced by an MMC or hybrid composite of alumina or zirconium ceramic fibres. These alloys have been worked by squeeze casting or stir casting.[5]
References
- ↑ Internal combustion engines illustrated. Long Acre, London: Odhams Press Limited. 1947. p. 85.
- ↑ R. Munro (1978). "Wellworthy get it under control". Industrial Lubrication and Tribology 30 (6): 224–235. doi:10.1108/eb053170. http://www.emeraldinsight.com/journals.htm?issn=0036-8792&volume=30&issue=6&articleid=1688988&show=html.
- ↑ "The Imp Engine". http://www.imps4ever.info/tech/engine.html.
- ↑ "1936 Terraplane specifications". http://hetclub.org/burr/referencesheets/1936_terraplane_electrical_tune-up_specs.pdf.
- ↑ 5.0 5.1 5.2 Smallman, R.E.; Bishop, Ray J. (1999). Modern Physical Metallurgy and Materials Engineering. Butterworth-Heinemann. p. 370. ISBN 9780750645645. https://books.google.com/books?id=_y5VKbZmp4EC&pg=PA370.
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