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Fracture Toughness / Fracture Energy Data for Oxide Glass

NIST Standard Reference Database 137


Borate Base Glassess

Reference:

Other material collections: Property Data Summaries

Other materials: Oxide Glasses


Other Borate Glasses materials

B2O3 Base Glasses: B95b

Material Summary:

Molar composition: 95% B2O3 + 5% Na2O

Property Summary:

Property                           Value  Environment  Notes
---------------------------------  -----  -----------  --------------------------------------
Crack Growth Exponent []   .......: 
Elastic Modulus [GPa]   ..........: 48.0   Air          Young's modulus is extrapolated.
Fracture Energy [J/m2]  ..........: 15.0   Air          Notched beam             
Fracture Toughness [MPa m1/2].....:  1.2   Air          Notched beam