coefficient of thermal expansion


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coefficient of thermal expansion

[¦kō·ə′fish·ənt əv ′thər·məl ik′span·shən]

coefficient of expansion

The change in dimension of a material per unit of dimension per degree change in temperature.
References in periodicals archive ?
However, the coefficient of thermal expansion [beta](T) slightly depends on the temperature above the Debye temperature, and this is the reason of nonlinearity of the deformation.
As shown previously in section Coefficient of Thermal Expansion of RTM6 at the End of the Experiments, the assumption of Eq.
The thermal and stress analysis confirmed that the cracks occurred as a result of different coefficient of thermal expansion of polypropylene matrix and the steel insert.
Novel materials with very a low coefficient of thermal expansion and high thermal conductivity like those based on advanced alloys (e.
Some of these properties will include first, second and third order transitions, coefficient of thermal expansion and contraction, modulus, energy adsorption dampening, heat capacity, thermal diffusivity, thermal conductivity, along with software and heat transfer data to model and build heat management systems.
Let's assume that the linear coefficient of thermal expansion of the metal is a [alpha] ([alpha] > 0).
The new Ultrason's coefficient of thermal expansion is about as high as that of aluminium, and in contrast to semi-crystalline polymers, the new material exhibits almost linear and isotropic thermal expansion between 25 and 200[degrees]C.
67) and excellent surface appearance for aesthetically critical engine parts, the company says, and that BMC 665 is inherently flame-resistant and offers a coefficient of thermal expansion similar to that of aluminum, tight dimensional stability, and a glass transition temperature nearing 200[degrees]C.
Sabic Innovative Plastics' Noryl and Noryl GTX resins offer lower initial mould shrink and warp; lower moisture uptake that minimises dimensional and mechanical property changes; and a lower and more stable coefficient of thermal expansion (CTE).
The joint formation stress is incremented by the mismatch of the coefficient of thermal expansion of the materials used.

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