Standard Test Method for
Young’s Modulus, Shear Modulus, and Poisson’s Ratio for
Glass and Glass-Ceramics by Resonance1
This standard is issued under the fixed designation C 623; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
Click below to download Astm C 623 – 92 (Reapproved 2000) Pdf free
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Click here to Astm C 621 – 84 (Reapproved 2001) Pdf free download