NIST Standard Reference Database 137
Other material collections: Property Data Summaries
Other materials: Oxide Glasses
Other Borate Glasses materials
Property Value Environment Notes --------------------------------- ----- ----------- -------------------------------------- Crack Growth Exponent [] .......: Elastic Modulus [GPa] ..........: 36.0 Air Young's modulus is extrapolated. Fracture Energy [J/m2] ..........: 12.54 Air Notched beam Fracture Toughness [MPa m1/2].....: 0.95 Air Notched beam Crack Growth Exponent [] .......: Elastic Modulus [GPa] ..........: 33.0 Air Young's modulus is extrapolated. Fracture Energy [J/m2] ..........: 10.95 Air Double torsion Fracture Toughness [MPa m1/2].....: 0.85 Air Double torsion Crack Growth Exponent [] .......: Elastic Modulus [GPa] ..........: 60.0 Air Young's modulus is extrapolated. Fracture Energy [J/m2] ..........: 7.21 Air Notched beam Fracture Toughness [MPa m1/2].....: 0.93 Air Notched beam