Measurement of thermal expansion coefficients of unidirectional composites using strain gages

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Measurement of thermal expansion coefficients of unidirectional composites using strain gages

Popis výsledku v původním jazyce

The article focuses on a determination of a coefficient of thermal expansion (CTE) of unidirectional thick-walled carbon composite specimens. The CTE were determined using two measurement methods. Both methods are based on a measurement of thermal outputof resistance strain gages, installed on a stress-free specimen, which is subjected to the temperature change. The first method uses single strain gage, which is bonded to a specimen made of test material. Value of CTE is refined from measured thermal output using corrective equations. The second method uses a pair of strain gages, with one bonded to a specimen from a reference material, and the second to a specimen from the tested material. The specimen's CTE can be then calculated from the differencein expansion coefficients, which is equal to the unit difference in thermal output. Measured values of CTE were compared with values calculated analytically.

Název v anglickém jazyce

Measurement of thermal expansion coefficients of unidirectional composites using strain gages

Popis výsledku anglicky

The article focuses on a determination of a coefficient of thermal expansion (CTE) of unidirectional thick-walled carbon composite specimens. The CTE were determined using two measurement methods. Both methods are based on a measurement of thermal outputof resistance strain gages, installed on a stress-free specimen, which is subjected to the temperature change. The first method uses single strain gage, which is bonded to a specimen made of test material. Value of CTE is refined from measured thermal output using corrective equations. The second method uses a pair of strain gages, with one bonded to a specimen from a reference material, and the second to a specimen from the tested material. The specimen's CTE can be then calculated from the differencein expansion coefficients, which is equal to the unit difference in thermal output. Measured values of CTE were compared with values calculated analytically.

Druh

D - Stať ve sborníku

CEP obor

JI - Kompositní materiály

OECD FORD obor

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Projekt

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Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2012

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Proceedings of the 50th Annual Conference on Experimental Stress Analysis

ISBN

978-80-01-05060-6

ISSN

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e-ISSN

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Počet stran výsledku

8

Strana od-do

231-238

Název nakladatele

Czech Technical University in Prague

Místo vydání

Praha

Místo konání akce

Tábor

Datum konání akce

4. 6. 2012

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

000314083900035