coefficient of expansion


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coefficient of expansion

[¦kō·ə′fish·ənt əv 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 ?
2]/s) [beta]' : Volumetric coefficient of expansion of Air (K-1) [sigma] : Stefans Boltzmann constant (W/[m.
CE17 has a matching coefficient of expansion to copper (17 ppm/[degrees]C) but is less than one third the weight and is easier to machine.
What I like about Cool Power over any other machine that's compensating for the coefficient of expansion with a mathematical equation is that Cool Power is sending a coolant through the machine at all times, keeping it at a constant temperature, so you don't see the heat expansion typically associated with other machines," says Veltri.
The agency said the thermal coefficient of expansion (T-coeff), the rate at which concrete contracts and expands as temperature changes, is a critical factor in pavement design.
By heating the fixture and sample, usually a few degrees, a temperature at which loading begins could be determined and the strain at room temperature could be calculated from the differential coefficient of expansion and the temperature difference.
Buehler, GM Materials Engineer, first presented automotive material needs such as low coefficient of expansion matching metals and high stiffness required for metal replacement and weight reduction in vehicles.
EP34AN has exceptional dimensional stability and a low coefficient of expansion.
h] for application-specific requirements; for example, the degree and direction of the coefficient of expansion can be very tightly controlled, along with hermeticity and moisture absorption.
The adhesive boasts high bond strength to a wide variety of substrates, low shrinkage, low coefficient of expansion, and dimensional stability.
Selective soldering not only improves solder quality, but also minimizes thermal coefficient of expansion (TCE) issues with minimalistic surface mount components that do not survive the thermal shock of wave soldering.
The refractory sheet exhibits a low coefficient of expansion which provides remarkable resistance to the thermal shock up to 1200C in an oxidizing atmosphere and permits its use with rapid variation in temperature in that zone.

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