SiO2 Base Glasses: S99a

About Property Data Summaries.

Reference: NBS Technical Note 1212

Other materials: Silicate Glasses

Material Summary:

Molar composition: 99.9% SiO2
Specific Material: 7944
Manufacturer: Corning Glass

Property Summary:

Property                           Value  Environment  Notes
---------------------------------  -----  -----------  --------------------------------------
Crack Growth Exponent []   .......: 
Elastic Modulus [GPa]   ..........: 72.1   N2 gas 
Fracture Energy [J/m2]  ..........:  4.37  N2 gas     Double cantilever beam
Fracture Toughness [MPa m1/2].....:  0.79  N2 gas     Double cantilever beam

Crack Growth Exponent []   .......: 40.8   H2O        Double cantilever beam
Elastic Modulus [GPa]   ..........:     
Fracture Energy [J/m2]  ..........: 
Fracture Toughness [MPa m1/2].....:


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Date created: 08 February 2001
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