# coefficient of thermal expansion

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## coefficient of thermal expansion

[¦kō·ə′fish·ənt əv ′thər·məl ik′span·shən]
(thermodynamics)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

## coefficient of expansion

The change in dimension of a material per unit of dimension per degree change in temperature.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Resolving the recurrence (51), the coefficients of expansion (15)-(18) are explicitly written in terms of the gamma functions as
Also, the materials have different coefficients of expansion, so drilling and registration are critical."
Having substituted the coefficients of expansion of functions [Q.sub.m], [S.sub.m] and (9) into Chebyshev series into Eq.
This flexibilized system is particularly suited for bonding dissimilar substrates, especially where the substrates have different coefficients of expansion. EP21TDCHT-LO is a desirable electrical insulator and will resist most chemicals, including water, oils and many organic solvents.
whose coefficients are related to the coefficients of expansion (8) by the equations
It excels at bonding dissimilar substrates with different coefficients of expansion and has a wide service temperature range of -60[degrees]F to 250[degrees]F.
Similar the coefficients of expansion in x and y directions, due to humidity, if the fibres are disposed at an angle [theta] with the x-axis direction, are.
The volume coefficients of expansion ([[alpha].sub.G] and [[alpha].sub.R] in the glass and rubbery state, respectively) were calculated as [([Vs.sub.2] - [Vs.sub.1]) /[Vs.sub.1]]/[T.sub.2] - [T.sub.1], where Vs is specific volume (further volume if not specified otherwise), the subscripts 1 and 2 denote the borders of the linear region of the regression line (see below).
The bimetallic structure of high-conductivity rapid tooling raises questions about bonding, thermal stresses, differential coefficients of expansion and contraction, and potential delamination--concerns that may inhibit some molders from giving RT a try.
This property provides manufacturers a direct method of attaching materials of different coefficients of expansion for use in a range of electrical, structural, and thermal applications throughout industry.
And the different coefficients of expansion between the paint film and thermoplastics can lead to delamination from the heat cycling that takes place during the molding cycle.

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