P2O5 Base Glasses: P74b

About Property Data Summaries.

Reference: NBS Technical Note 1212

Other materials: Phosphate Glasses

Material Summary:

Molar composition: 74.6% P2O5 + 25% La2O3 + 0.4% Nd2O3
Specific Material: 9023
Manufacturer: GTE

Property Summary:

Property                           Value  Environment  Notes
---------------------------------  -----  -----------  --------------------------------------
Crack Growth Exponent []   .......: 
Elastic Modulus [GPa]   ..........: 87.0   Heptane      Young's modulus is estimated.
Fracture Energy [J/m2]  ..........:  2.98  Heptane      Indentation Crack Length
Fracture Toughness [MPa m1/2].....:  0.72  Heptane      Indentation Crack Length


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Date created: 08 February 2001
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