Apparatus for measuring internal friction Q factors in brittle materials

B. R. Tittmann, J. M. Curnow

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


This report describes a flexural analog of the torsion pendulum for measuring Young's modulus and the internal friction Q factor on brittle materials. The design provides features to minimize fracture or chipping of the sample and reduces apparatus background damping so that a sample Q of >103 can be reliably measured. Other features include strain amplitudes as low as 10-7, small size for use in an environmental chamber, and zero static stress.

Original languageEnglish (US)
Pages (from-to)1516-1518
Number of pages3
JournalReview of Scientific Instruments
Issue number12
StatePublished - 1976

All Science Journal Classification (ASJC) codes

  • Instrumentation


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