B2O3 Base Glasses: B95a

About Property Data Summaries.

Reference: NBS Technical Note 1212

Other materials: Borate Glasses

Material Summary:

Molar composition: 95.8% B2O3 + 4.16% PbO

Property Summary:

Property                           Value  Environment  Notes
---------------------------------  -----  -----------  --------------------------------------
Crack Growth Exponent []   .......: 
Elastic Modulus [GPa]   ..........:  
Fracture Energy [J/m2]  ..........: 
Fracture Toughness [MPa m1/2].....:  0.77  Air          Indentation crack length
                                    0.82  Air          Notched beam

Crack Growth Exponent []   .......:  
Elastic Modulus [GPa]   ..........: 21.0   Air     
Fracture Energy [J/m2]  ..........: 18.02  Air          Indentation crack length
                                   16.01  Air          Notched beam
Fracture Toughness [MPa m1/2].....:  0.87  Air          Indentation crack length
                                    0.82  Air          Notched beam


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Date created: 08 February 2001
Last updated: 08 February 2001

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