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Fracture Toughness / Fracture Energy Data for Oxide Glass

NIST Standard Reference Database 137


Silicate Base Glasses

Reference:

Other material collections: Property Data Summaries

Other materials: Oxide Glasses


Other Silicate Glasses materials

SiO2 Base Glasses: S54a

Material Summary:

Molar composition: 54.8% SiO + 8.61% Al2O3 + 8.23% B2O3 + 17.8% CaO + 3.64 K2O + 6.79% MgO
Specific Material: EK5
Manufacturer: Owens-Corning

Property Summary:

Property                           Value  Environment  Notes
---------------------------------  -----  -----------  --------------------------------------
Crack Growth Exponent []   .......: 17     H2O        Dynamic fatigue,material is an E-glass 
                                                       fiber
Elastic Modulus [GPa]   ..........: 
Fracture Energy [J/m2]  ..........:  
Fracture Toughness [MPa m1/2].....: