SiO2 Base Glasses: S71e

About Property Data Summaries.

Reference: NBS Technical Note 1212

Other materials: Silicate Glasses

Material Summary:

Molar composition: 71.2% SiO2 + 5.72% Al2O3 + 7.45% B2O3 + 2.31% CaO + 3.44% K2O + 9.41% Na2O + <1.0W% Fe2O3 + 0.405 TiO2
Specific Material: 7809
Manufacturer: Corning Glass

Property Summary:

Property                           Value  Environment  Notes
---------------------------------  -----  -----------  --------------------------------------
Crack Growth Exponent []   .......: 25.3   H2O        Double cantilever beam
Elastic Modulus [GPa]   ..........:    
Fracture Energy [J/m2]  ..........:  
Fracture Toughness [MPa m1/2].....:  

Crack Growth Exponent []   .......: 31.4   H2O        Dynamic fatigue
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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