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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: S71b

Material Summary:

Molar composition: 71.9% SiO2 + 0.581% Al2O3 + 5.28% CaO + 5.88% MgO + 16.2% Na2O

Property Summary:

Property                           Value  Environment  Notes
---------------------------------  -----  -----------  --------------------------------------
Crack Growth Exponent []   .......: 
Elastic Modulus [GPa]   ..........: 73.4   Air
Fracture Energy [J/m2]  ..........:  3.5   Air          Applied moment double cantilever beam
Fracture Toughness [MPa m1/2].....:  0.72  Air          Applied moment double cantilever beam