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20 °C—A Short History of the Standard Reference Temperature for Industrial Dimensional Measurements
One of the basic principles of dimensional metrology is that a part dimension changes with temperature because of thermal expansion. Since 1931 industrial lengths have been defined as the size at 20 °C. This paper discusses the variety of standard temperatures that were in use before that date, the...
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| Publicat a: | J Res Natl Inst Stand Technol |
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| Autor principal: | |
| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
[Gaithersburg, MD] : U.S. Dept. of Commerce, National Institute of Standards and Technology
2007
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4654601/ https://ncbi.nlm.nih.gov/pubmed/27110451 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.6028/jres.112.001 |
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