Journal of Materials Science

, Volume 26, Issue 18, pp 4910–4916 | Cite as

Influence of air and material damping on dynamic elastic modulus measurement

  • Chin-Chen Chiu


In this paper, air and material damping effects on the dynamic elastic modulus measurement of a flexural vibrating beam with free ends are evaluated, according to the Bernoulli-Euler beam equation. The theoretical analysis indicates that the measured elastic modulus is not substantially influenced by material damping. However, the measured modulus decreases with an increasing extent of air damping. In addition to theoretical analysis, experimental results for glass and alumina specimens also show that air damping decreases the measured modulus.


Polymer Alumina Elastic Modulus Theoretical Analysis Measured Modulus 
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Copyright information

© Chapman & Hall 1991

Authors and Affiliations

  • Chin-Chen Chiu
    • 1
  1. 1.Department of Metallurgy, Mechanics, and MaterialsMichigan State UniversityEast LansingUSA

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