SiO2 Base Glasses: S100a

About Property Data Summaries.

Reference: NBS Technical Note 1212

Other materials: Silicate Glasses

Material Summary:

Molar composition: 100% SiO2

Property Summary:

Property                           Value  Environment  Notes
---------------------------------  -----  -----------  --------------------------------------
Crack Growth Exponent []   .......: 
Elastic Modulus [GPa]   ..........: 72.1   Air
Fracture Energy [J/m2]  ..........:  3.7   Air          Applied moment double cantilever beam  
Fracture Toughness [MPa m1/2].....:  0.73  Air          Applied moment double cantilever beam

Crack Growth Exponent []   .......:
Elastic Modulus [GPa]   ..........:101.0   N2 liquid  
Fracture Energy [J/m2]  ..........:  3.7   N2 liquid  Applied moment double
cantilever beam
Fracture Toughness [MPa m1/2].....:  0.87  N2 liquid  Applied moment double cantilever
beam

Crack Growth Exponent []   .......:
Elastic Modulus [GPa]   ..........: 
Fracture Energy [J/m2]  ..........: 
Fracture Toughness [MPa m1/2].....:  0.74  Vacuum       Double cantilever beam
                                    0.75  Vacuum       Notched beam

Crack Growth Exponent []   .......: 19.2   Air, 50% RH  Static fatigue,surface cond.-as-drawn
                                                       fiber
Elastic Modulus [GPa]   ..........: 
Fracture Energy [J/m2]  ..........: 
Fracture Toughness [MPa m1/2].....: 

Crack Growth Exponent []   .......: 27     Air, 50% RH  Dynamic fatigue,surface cond.-as-drawn
                                                       fiber
Elastic Modulus [GPa]   ..........:      
Fracture Energy [J/m2]  ..........: 
Fracture Toughness [MPa m1/2].....: 

Crack Growth Exponent []   .......: 29.2   Air, 2% RH   Dynamic fatigue,surface cond.-plastic-
                                                       clad fiber (EVA-single coating)
Elastic Modulus [GPa]   ..........:      
Fracture Energy [J/m2]  ..........: 
Fracture Toughness [MPa m1/2].....: 

Crack Growth Exponent []   .......: 21.8   Air, 45% RH  Dynamic fatigue,surface cond.-plastic-
                                                       clad fiber (EVA-single coating)
Elastic Modulus [GPa]   ..........:      
Fracture Energy [J/m2]  ..........: 
Fracture Toughness [MPa m1/2].....:
 
Crack Growth Exponent []   .......: 16.2   Air, 71% RH  Dynamic fatigue,surface cond.-plastic-
                                                       clad fiber (EVA-single coating)
Elastic Modulus [GPa]   ..........:      
Fracture Energy [J/m2]  ..........: 
Fracture Toughness [MPa m1/2].....:
 
Crack Growth Exponent []   .......: 15.3   Air, 97% RH  Dynamic fatigue,surface cond.-plastic-
                                                       clad fiber (EVA-single coating)
Elastic Modulus [GPa]   ..........:      
Fracture Energy [J/m2]  ..........: 
Fracture Toughness [MPa m1/2].....:
 
Crack Growth Exponent []   .......: 29.9   Air, 45% RH  Dynamic fatigue,surface cond.-plastic-
                                                       clad fiber (silane and EVA-dual coating)
Elastic Modulus [GPa]   ..........:      
Fracture Energy [J/m2]  ..........: 
Fracture Toughness [MPa m1/2].....:

Crack Growth Exponent []   .......: 16.8   Air, 97% RH  Dynamic fatigue,surface cond.-plastic-
                                                       clad fiber (silane and EVA-dual coating)
Elastic Modulus [GPa]   ..........:      
Fracture Energy [J/m2]  ..........: 
Fracture Toughness [MPa m1/2].....:
 
Crack Growth Exponent []   .......: 27.6   Air, 45% RH  Dynamic fatigue,surface cond.-plastic-
                                                       clad fiber (single coating)
Elastic Modulus [GPa]   ..........:      
Fracture Energy [J/m2]  ..........: 
Fracture Toughness [MPa m1/2].....:
 
Crack Growth Exponent []   .......: 25.3   Air, 97% RH  Dynamic fatigue
Elastic Modulus [GPa]   ..........:      
Fracture Energy [J/m2]  ..........: 
Fracture Toughness [MPa m1/2].....:
 
Crack Growth Exponent []   .......: 14.7   Air, 97% RH  Static fatigue,surface cond.-plastic-
                                                       clad fiber 
Elastic Modulus [GPa]   ..........:      
Fracture Energy [J/m2]  ..........: 
Fracture Toughness [MPa m1/2].....:
 
Crack Growth Exponent []   .......: 37.8   Air,100% RH  Dynamic fatigue,surface cond.-abrade  
Elastic Modulus [GPa]   ..........:      
Fracture Energy [J/m2]  ..........: 
Fracture Toughness [MPa m1/2].....:


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

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