GeO2 Base Glasses: G95c

About Property Data Summaries.

Reference: NBS Technical Note 1212

Other materials: Germanate Glasses

Material Summary:

Molar composition: 95% GeO2 + 5% PbO

Property Summary:

Property                           Value  Environment  Notes
---------------------------------  -----  -----------  --------------------------------------
Crack Growth Exponent []   .......:  
Elastic Modulus [GPa]   ..........: 48.66  N2 gas     
Fracture Energy [J/m2]  ..........:  3.5   N2 gas     Notched beam,precracked
samples,
                                                       crosshead speed 4.3 µm/s,dew point 50 °C
Fracture Toughness [MPa m1/2].....:  0.6   N2 gas     Notched beam,precracked samples,
                                                       crosshead speed 4.3 µm/s,dew point 50 °C


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Date created: 08 February 2001
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