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Wikidata:Property proposal/linear thermal expansion coefficient

linear thermal expansion coefficientEdit

Originally proposed at Wikidata:Property proposal/Natural science

Descriptionmeasures the fractional change in size per degree change in temperature at a constant pressure
Representsbase material (Q214609) > mechanical property of materials (Q5725005) > Coefficient of thermal expansion (Q45760)
Data typeQuantity
Template parameterThis proprety request is part of the project of creating an infobox for materials.
DomainPhysical and mechanical property of stainless steel (Q172587).
Allowed valuesAny number. Mandatory qualifier : phase of matter (P515)
Allowed unitsmicrometer per meter kelvin (Q56025776) µm/(m.K) , 10-6 K-1
Example 1aluminum (Q663) → 23
Example 2brass (Q39782) → 19
Example 3diamond (Q5283) → 1
Example 4invar (Q898215) → 1.2
Planned useCreating an infobox for materials


This is part of the project of creating an infobox for materials. Linear thermal expansion coefficient is a base data that is needed, i.e, for mecanical devices operating in a wide range of temperatures. --Thibdx (talk) 14:31, 8 August 2018 (UTC)


@Thibdx, ديفيد عادل وهبة خليل 2, ArthurPSmith:   Done: linear thermal expansion coefficient (P5672). − Pintoch (talk) 09:20, 19 August 2018 (UTC)