Competency Group: Material Science
Type: Measure Hardware
Description: Thermal expansivity is given by the equation α = Change in length/original length X change in temperature E.g. How much does a material expand when it is subjected to heat.
Citation for Description: Description by authors
Advantages: Very useful to see how a material behaves in specific shapes with respect to temperature.
Limitations: Negligible for a lot of materials.
Regulations: ASTM International. (n.d). ASTM E228 — 11 Standard Test Method for Linear Thermal Expansion of Solid Materials With a Push-Rod Dilatometer. Retrieved from http://www.astm.org/Standards/E228.htm
Target Audience: Engineering, R&D
Relevant to Universal Design: No
Stages and Steps: 2.2, 4.2, 4.3, 4.12, 7.1, 7.2
Free Resource: Engineers Edge. (2012). Fastener / Bolt Thermal Expansion / Contraction Application and Equation. Retrieved from http://www.engineersedge.com/thread_strength/thread_tension_heat.htm
Purchase Resource: Tritt, T. M. (2004). Physics of Solids and Liquids: Thermal Conductivity — Theory, Properties, and Applications. New York, NY: Plenum Publishers.