SiO2 Base Glasses: S57a

About Property Data Summaries.

Reference: NBS Technical Note 1212

Other materials: Silicate Glasses

Material Summary:

Molar composition: 57.2% SiO2 + 8.88% Al2O3 + 8.52% B2O3 + 18.3% CaO + 6.97% MgO
Specific Material: ENO
Manufacturer: Owens-Corning

Property Summary:

Property                           Value  Environment  Notes
---------------------------------  -----  -----------  --------------------------------------
Crack Growth Exponent []   .......: 22     H2O        Dynamic fatigue,material is an E-glass
                                                       fiber
Elastic Modulus [GPa]   ..........: 
Fracture Energy [J/m2]  ..........:  
Fracture Toughness [MPa m1/2].....:


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Date created: 08 February 2001
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