NIST Standard Reference Database 137
Other material collections: Property Data Summaries
Other materials: Oxide Glasses
Other Silicate Glasses materials
Property Value Environment Notes --------------------------------- ----- ----------- -------------------------------------- Crack Growth Exponent [] .......: Elastic Modulus [GPa] ..........: 57.0 Air Young's modulus is extrapolated. Fracture Energy [J/m2] ..........: 6.64 Air Notched beam Fracture Toughness [MPa m1/2].....: 0.87 Air Notched beam Crack Growth Exponent [] .......: Elastic Modulus [GPa] ..........: 92.5 N2 liquid Fracture Energy [J/m2] ..........: 5.2 N2 liquid Double cantilever beam Fracture Toughness [MPa m1/2].....: 0.98 N2 liquid Double cantilever beam Crack Growth Exponent [] .......: Elastic Modulus [GPa] ..........: 61.0 Air Fracture Energy [J/m2] ..........: 2.76 Air Notched beam Fracture Toughness [MPa m1/2].....: 0.58 Air Notched beam