SiO2 Base Glasses: S62a

About Property Data Summaries.

Reference: NBS Technical Note 1212

Other materials: Silicate Glasses

Material Summary:

Molar composition: 62.5% SiO2 + 37.5% BaO

Property Summary:

Property                           Value  Environment  Notes
---------------------------------  -----  -----------  --------------------------------------
Crack Growth Exponent []   .......: 
Elastic Modulus [GPa]   ..........: 64.0   Air           
Fracture Energy [J/m2]  ..........:  2.0   Air          Double cantilever beam
Fracture Toughness [MPa m1/2].....:  0.5   Air          Double cantilever beam


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Date created: 08 February 2001
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