SciGlass : Detailed Features and Pathways : Properties Available in Search Routines of SciGlass

 

There are two sets of property data within SciGlass. Below, the property data requirements are delineated for both the Tables and Glasses Databases.

   
 

Properties in Tables Database

 
  • Acoustical Properties (sound velocities, absorption coefficient, etc.)
  • Chemical Durability (with detailed description of measurement conditions)
  • Crystallization (nucleation rate, growth rate, etc.)
  • Density (in broad range of temperatures )
  • Dielectric Properties (loss angle, permittivity)
  • Diffusion, Permeation, & Solubility (of various gases)
  • Elastic Properties (Young's, shear, bulk modules, Poisson ratio, etc.)
  • Electrical Resistivity (of solid glasses and melts)
  • Glass Formation (including ternary diagrams and data on critical cooling rates)
  • Glass Transition Temperature (Tg)
  • Heat Capacity
  • Internal Friction
  • Ion Diffusion
  • Liquidus Temperature 
  • Mg (dilatometric softening point)
  • Magnetic Properties (magnetic susceptibility, Verde constant, Curie constant) 
  • Microhardness
  • Optical Properties (refractive index, dispersion, Abbe's number)
  • Stress-optical coefficient
  • Optical spectra (from UV to near IR region)
  • Strength
  • Surface Tension
  • TEC (Thermal Expansion Coefficient)
  • Thermal Conductivity
  • Thermal Diffusivity
  • Thermal Endurance
  • Viscosity (in broad range of temperatures)
  • Viscosity Standard Points
  • Volatilization
   
 

Properties in Glasses Database

 
  • T1 through T13 (temperatures at Log(h, Poises) from 1 to 13)
  • Log(h, Poises) at temperatures from 500C to 2500C in 17 step intervals
  • Tg
  • Mg
  • Littleton Point
  • Annealing Point
  • Strain Point
  • Softening Point
  • Log(r) at temperatures from 20C to 1400C in 7 step intervals
  • TK-100 (temperature corresponding to log(r, Ohm*cm) = 8
  • Dielectric Permittivity at ~1 MHz
  • Linear Expansion Coefficient at 55C, 100C, 160C, 210C, 350C, & at T < Tg
  • Density at 20C, 800C, 1000C, 1200C, & 1400C
  • Molar or SpecificVolumes at 20C
  • Refractive Index nd at 20C
  • Refractive Index at 0.6 < l < 1 mm (for chalcogenide glasses)
  • Refractive Index at l > 1mm (for chalcogenide glasses)
  • Mean Dispersion
  • Abbe's Number
  • Thermal Shock Resistance
  • Young's Modulus
  • Shear Modulus
  • Poisson's Ratio
  • Microhardness
  • Liquidus temperature (Tliq)
  • Melting temperature (Tm)
  • Thermal Conductivity
  • Heat Capacity at 20C, 200C, 400C, 800C, 1000C, 1200C, & 1400C
  • Surface Tension at 900C, 1200C, 1300C, 1400C, & at T>Tg
  • Maximum Crystal Growth Rate (Tmax)
  • Temperature of Maximum Crystal Growth Rate (vmax)
  • Onset Crystallization Temperature (Tc)
  • Peak Crystallization Temperature (Tx)
  • Nucleation Temperature (Tn)
  • Nucleation Rate (l0)