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Invar

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
Invar [ɪnˈvɑː]
n
(Engineering / Metallurgy)™ an alloy containing iron (63.8 per cent), nickel (36 per cent), and carbon (0.2 per cent). It has a very low coefficient of expansion and is used for the balance springs of watches, etc.
[shortened from invariable]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.Invar - an alloy of iron and nickel having a low coefficient of thermal expansion; used in tuning forks and measuring tapes and other instruments
trademark - a formally registered symbol identifying the manufacturer or distributor of a product
alloy, metal - a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten; "brass is an alloy of zinc and copper"


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Initially it was proposed that SPARTA use the process deployed to make the hood for the 2004 Commemorative Edition 206 Corvette: laying up unidirectional prepreg tape on an Invar alloy mold, then curing it in an autoclave (see: http://www.
Composite analysis for Ford GT by Automotive Design & Production
The hood is believed to be the highest production volume of a single carbon-fiber component using aerospace technology and is also the first use of Invar nickel/iron alloy tooling for an automotive production part.
Faster autoclave molding. (Composites) by Plastics Technology
The LVDTs were fixed to the top plates while both the LVDT cores were connected with Invar steel rods to the bottom plate.
Performance of scrap tire rubber modified asphalt paving mixes by Hesp, S.A.M. / Rubber World
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