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Area Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, selection and detection / Materials for dielectric devices

IEV ref561-06-08

Symbol
α

en
coefficient of linear thermal expansion
relative change in length due to a change in thermodynamic temperature divided by the change in temperature

α= l T l ref l ref ( T T ref ) MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaaiabeg7aHjabg2da9maalaaabaGaamiBamaaBaaaleaacaqGubaabeaakiaacobicaWGSbWaaSbaaSqaaiaabkhacaqGLbGaaeOzaaqabaaakeaacaWGSbWaaSbaaSqaaiaabkhacaqGLbGaaeOzaaqabaGcdaqadaqaaiaadsfacaGGtaIaamivamaaBaaaleaacaqGYbGaaeyzaiaabAgaaeqaaaGccaGLOaGaayzkaaaaaiabgEna0kaaigdacaaIWaWaaWbaaSqabeaacaaI2aaaaOGaaGjbVpaadmaabaGaaGymaiabgEna0kaaigdacaaIWaWaaWbaaSqabeaacaGGtaIaaGOnaaaakiaac+cacaqGlbaacaGLBbGaayzxaaaaaa@58F6@

where

lT is the length at temperature T;

lref is the length at reference temperature Tref

Note 1 to entry: The coefficient of linear thermal expansion is generally expressed in megakelvins to the power minus one (1/MK).


fr
coefficient de dilatation thermique linéaire, m
variation relative de la longueur due à une variation de la température thermodynamique divisée par la variation de température

α= l T l ref l ref ( T T ref ) MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaaiabeg7aHjabg2da9maalaaabaGaamiBamaaBaaaleaacaqGubaabeaakiaacobicaWGSbWaaSbaaSqaaiaabkhacaqGLbGaaeOzaaqabaaakeaacaWGSbWaaSbaaSqaaiaabkhacaqGLbGaaeOzaaqabaGcdaqadaqaaiaadsfacaGGtaIaamivamaaBaaaleaacaqGYbGaaeyzaiaabAgaaeqaaaGccaGLOaGaayzkaaaaaiabgEna0kaaigdacaaIWaWaaWbaaSqabeaacaaI2aaaaOGaaGjbVpaadmaabaGaaGymaiabgEna0kaaigdacaaIWaWaaWbaaSqabeaacaGGtaIaaGOnaaaakiaac+cacaqGlbaacaGLBbGaayzxaaaaaa@58F6@

lT est la longueur à la température T;

lref est la longueur à la température de référence Tref

Note 1 à l'article: Le coefficient de dilatation thermique linéaire s’exprime généralement en mégakelvin à la puissance moins un (1/MK).


ar
معدل التمدد الحراري الخطي

de
Koeffizient der linearen thermischen Ausdehnung, m

es
coeficiente de expanxión térmica lineal

it
coefficiente di dilatazione termica lineare

ko
선형 열팽창 계수

ja
線熱膨張係数

pl
współczynnik liniowej rozszerzalności cieplnej, m

pt
coeficiente de dilatação térmica linear

zh
线性热膨胀系数

Publication date: 2016-07
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