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Fracture Toughness / Fracture Energy Data for Oxide Glass

NIST Standard Reference Database 137


Phosphate Base Glasses

Reference:

Other material collections: Property Data Summaries

Other materials: Oxide Glasses


Other Phosphate Glasses materials

P2O5 Base Glasses: P50c

Material Summary:

Molar composition: 50% P2O5 + 12% CaO + 30% Na2O + 8% ZnO

Property Summary:

Property                           Value   Environment  Notes
---------------------------------  -----   -----------  --------------------------------------
Crack Growth Exponent []   .......: 
Elastic Modulus [GPa]   ..........: 46.0    Air     
Fracture Energy [J/m2]  ..........:  2.18   Air          Short bar
Fracture Toughness [MPa m1/2].....:  0.52   Air          Short bar 
Poisson's Ratio []   .............:  0.2768 Air          Short bar