ASTM C747 Standard Test Method for Moduli of Elasticity and Fundamental Frequencies of Carbon and Graphite Materials by Sonic Resonance
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ASTM International
Standard Test Method for Moduli of Elasticity and Fundamental Frequencies of Carbon and Graphite Materials by Sonic Resonance
N C747
Annotation
This test method covers the measurement of the fundamental transverse, longitudinal, and torsional frequencies of isotropic and anisotropic carbon and graphite materials. These measured resonant frequencies are used to calculate dynamic elastic moduli for any grain orientations.
The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Автоматический перевод:
Стандартный метод испытаний для модулей эластичности и фундаментальных частот углеродистых и графитовых материалов звуковым резонансом
Этот метод тестирования покрывает измерение фундаментальных поперечных, продольных, и крутильных частот изотропного и анизотропного углерода и графитовых материалов. Эти измеренные резонансные частоты используются для вычисления динамических эластичных модулей для любых гранулярных ориентаций.



