- thermal coefficient of expansion
- a measure of the dimensional change of a metal with temperature, caused by changes in the magnitude of atomic vibration that affect the atomic spacing.
Mechanics glossary. 2013.
thermal coefficient of expansion
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Thermal shock — is the name given to cracking as a result of rapid temperature change. Glass and ceramic objects are particularly vulnerable to this form of failure, due to their low toughness, low thermal conductivity, and high thermal expansion coefficients.… … Wikipedia
Coefficient of thermal expansion — When the temperature of a substance changes, the energy that is stored in the intermolecular bonds between atoms changes. When the stored energy increases, so does the length of the molecular bonds. As a result, solids typically expand in… … Wikipedia
thermal expansion — Increase in volume of a material as its temperature is increased, usually expressed as a fractional change in dimensions per unit temperature change. When the material is a solid, thermal expansion is usually described in terms of change in… … Universalium
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