P2O5 Base Glasses: P50a

About Property Data Summaries.

Reference: NBS Technical Note 1212

Other materials: Phosphate Glasses

Material Summary:

Molar composition: 50% P2O5 + 8% BaO + 30% Na2O + 12% ZnO

Property Summary:

Property                           Value   Environment  Notes
---------------------------------  -----   -----------  --------------------------------------
Crack Growth Exponent []   .......: 
Elastic Modulus [GPa]   ..........: 44.0    Air     
Fracture Energy [J/m2]  ..........:  2.61   Air          Short bar
Fracture Toughness [MPa m1/2].....:  0.48   Air          Short bar 
Poisson's Ratio []   .............:  0.2839 Air          Short bar


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

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