coefficient of thermal expansion


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coefficient of thermal expansion

The change in the dimensions of a material when its temperature is raised 1°C. In dentistry, if the relative expansion and contraction of restorative materials, casts, or appliances are not accounted for, the patient may have problems with improper fitting, microleakage, or adhesive debonding.
See also: coefficient

coefficient of thermal expansion,

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The anomaly of the bulk coefficient of thermal expansion at the transition from the cubic to the tetragonal phase was found to remain distinct enough while its intensity is decreasing with the decrease of x.
8226; Meldin[R] 4330 grade is valuable in high precision bearings due to its extreme low coefficient of thermal expansions and high mechanical and fatigue strength for both automotive and industrial applications.
Graphite GMZ is a great facing material for the high-temperature 'out-of-furnace' process, its coefficient of thermal expansion is 4.
The prisms are made from UV-grade fused silica, which has a coefficient of thermal expansion of 0.
Precise knowledge of the coefficient of thermal expansion (CTE) can be utilized to estimate the thermal stresses.
Flow and modulus are said to be good, and compared to properties of PPO/nylon alloys, there is a reduced coefficient of thermal expansion.
The addition of an underfill material compensates for any coefficient of thermal expansion mismatch between silicon die and substrate, and can be applied afterward using a capillary formulation.
AlSiC (aluminum silicone carbide) metal-matrix composite offers a packaging material with a tailored coefficient of thermal expansion for compatibility with various electronic devices and assemblies.
With the tools, researchers can measure average pore size, pore distribution and connectivity, film thickness and composition, coefficient of thermal expansion, and other important characteristics of samples.
The most important property in sealing applications is the coefficient of thermal expansion (CTE).
Among the characteristics demanded in materials are oxidation resistance over sustained periods of time at certain operating temperature ranges (700-850xC, for example), excellent electrical conductivity, and a coefficient of thermal expansion close to that of zirconia ceramics electrolytes.

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