Invar


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Invar

(ɪnˈvɑː)
n
(Metallurgy) trademark 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
[C20: shortened from invariable]
ThesaurusAntonymsRelated WordsSynonymsLegend:
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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Digital levels Leica NA3003, invar precise staffs bar coded staffs Wild GPCL-3, GPS receivers Ashtech Z12, Z-Surveyor, Trimble 5700 and gravimeters La Coste & Romberg were used for measurements.
Using its LEEP & LEEF process techniques, the company can now produce cost-effective nickel, stainless steel and invar masks which out-perform traditional alternatives.
Boeing is adapting the technique to produce fuselage sections on specially designed mandrels assembled with slats of Invar, an iron-nickel alloy with low thermal-distortion properties that maintains profile tolerances to thousandths of an inch.
Invar Ingimarsson gifted Luke Varney the opener in the 12th minute by making a hash of clearing the striker's cross.
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.autofieldguide.com/articles/080306.html).
The patented temperature-resistant frame (TRF) consists of carriers made of invar, a special type of steel with an extremely high portion of nickel and mineral casts.
As such, the sensor incorporates a two-element antenna array that is mounted in a solid Invar pedestal with 1 m separation between the antennas.
Brentford hit back and Tony Folan found the corner of the net with a 25-yard screamer, before Invar Ingimarsson headed in 10 minutes from the end to seal victory for the Londoners.
The consolidated preforms are then combined with dimensionally matched preform tooling or a precision RTM mandrel made of Invar, or a eutectic lead alloy if the form is to melt out during processing.
For a more conventional display of presentations, Presenta Technologies offers the S29, a 29" monitor with a super flat CRT and INVAR shadow mask.
Select direct-view models, for instance, have digital comb filter technology and a flatter, darker Invar picture tube (FDT) that generates picture power ratings up to 70 watts.