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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: S60b

Material Summary:

Molar composition: 60% SiO2 + 20% B2O3 + 20% Na2O

Property Summary:

Property                           Value  Environment  Notes
---------------------------------  -----  -----------  --------------------------------------
Crack Growth Exponent []   .......: 
Elastic Modulus [GPa]   ..........: 60.0   Air          Young's modulus is extrapolated.
Fracture Energy [J/m2]  ..........:  9.72  Air          Notched beam
Fracture Toughness [MPa m1/2].....:  1.08  Air          Notched beam
Crack Growth Exponent []   .......: 
Elastic Modulus [GPa]   ..........: 82.0   Air          
Fracture Energy [J/m2]  ..........:  4.72  Air          Notched beam
Fracture Toughness [MPa m1/2].....:  0.88  Air          Notched beam