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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: B96a

Material Summary:

Molar composition: 96.8% B2O3 + 3.13% PbO

Property Summary:

Property                           Value  Environment  Notes
---------------------------------  -----  -----------  --------------------------------------
Crack Growth Exponent []   .......: 
Elastic Modulus [GPa]   ..........:  
Fracture Energy [J/m2]  ..........: 
Fracture Toughness [MPa m1/2].....:  0.8   Air          Indentation crack length
Crack Growth Exponent []   .......:
Elastic Modulus [GPa]   ..........: 20.2   Air       
Fracture Energy [J/m2]  ..........: 19.17  Air          Indentation crack length 
Fracture Toughness [MPa m1/2].....:  0.88  Air          Indentation crack length