Extending the Temperature Range of the National Primary Standard for the Unit of the Thermal Linear Expansion Coefficient

Work on improving the national primary standard for the unit of the coefficient of linear thermal expansion for solids in order to extend the temperature range from 1800 to 3000 K is described. The composition and metrological characteristics of the standard are discussed, as well as methods for mea...

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Veröffentlicht in:	Measurement techniques 2016-03, Vol.58 (12), p.1341-1346
Hauptverfasser:	Kompan, T. A., Kondrat’ev, S. V., Korenev, A. S., Pukhov, N. F., Inochkin, F. M., Kruglov, S. K., Bronshtein, I. G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Accuracy Analytical Chemistry Characterization and Evaluation of Materials Elongation Measurement methods Measurement Science and Instrumentation Measurement techniques Methods Metrology Physical Chemistry Physics Physics and Astronomy Studies Temperature Thermal energy Thermal expansion Thermal Measurements
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Beschreibung
Zusammenfassung:	Work on improving the national primary standard for the unit of the coefficient of linear thermal expansion for solids in order to extend the temperature range from 1800 to 3000 K is described. The composition and metrological characteristics of the standard are discussed, as well as methods for measuring the elongation of test samples and an improved system for transfer of the unit from the standard to working means of measurement.
ISSN:	0543-1972 1573-8906
DOI:	10.1007/s11018-016-0896-2