SiO2 Base Glasses: S58a

About Property Data Summaries.

Reference: NBS Technical Note 1212

Other materials: Silicate Glasses

Material Summary:

Molar composition: 58.4% SiO2 + 12.0% Al2O3 + 3.54% B2O3 + 6.59% CaO + 18.3% MgO + 0.994% Na2O
Specific Material: 1720
Manufacturer: Corning Glass

Property Summary:

Property                           Value  Environment  Notes
---------------------------------  -----  -----------  --------------------------------------
Crack Growth Exponent []   .......: 
Elastic Modulus [GPa]   ..........: 89.1   N2 gas    
Fracture Energy [J/m2]  ..........:  4.66  N2 gas     Double cantilever beam 
Fracture Toughness [MPa m1/2].....:  0.91  N2 gas     Double cantilever beam

Crack Growth Exponent []   .......: 26.5   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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