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IEVref:113-04-27ID:
Language:enStatus: Standard
Term: coefficient of linear expansion
Synonym1: linear expansion coefficient
[Preferred]
Synonym2:
Synonym3:
Symbol: αl
α
Definition: quantity characterizing the variation with thermodynamic temperature T of the distance l between two points of a body, under given conditions, thus α l = 1 l dl dT MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiabeg7aHnaaBaaale aacaWGSbaabeaakiabg2da9maalaaabaqcLbuacaaIXaaakeaacaWG SbaaaiaaysW7daWcaaqaaKqzafGaaeizaOGaamiBaaqaaKqzafGaae izaOGaamivaaaaaaa@45B5@

NOTE 1 Usually the condition is absence of external forces.

NOTE 2 The coherent SI unit of linear expansion coefficient is kelvin to the power minus one, K−1.


Publication date:2011-04
Source:
Replaces:
Internal notes:2014-07-10: Symbol <i>&alpha;</i><sub><i>l</sub><br><i>&alpha;</i> corrected to <i>&alpha;</i><sub><i>l</i></sub><br><i>&alpha;</i>. JGO

2017-06-02: Cleanup - Remove Attached Image 113-04-27en.gif
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