Equipment @ C o M M E T

Rheological Equipment

AR 1000  Rheometer (TA Instruments)
  • Controlled Stress
  • Environmental Test Chamber (-150 to 400oC)
  • Steady Shear, Oscillatory Shear, Creep, Creep Recovery, Superimposed Flow/Oscilllation, Multiwave Oscillation, Squeeze Flow
  • Normal force transducer
  • Parallel Plate, Cone and Plate, Concentric Cylinder

     *Rheometer will be modified for the application of magnetic and electric fields*

Dynamic Mechanical Analyzer (TA Instruments)
  • Measures viscoelastic material properties of solid materials as a function of temperature, time, frequency, stress and strain.
  • Creep and Stress Relaxation Measurements
  • Optical encoded to detect low strains
  • Broad temperature range (-150 to 600oC)
  • Submersion clamps for liquid media
  • Single / dual cantilever, 3 point bending, compression, tension, shear sandwich
Thermal Equipment
Thermogravimetric Analyzer (TA Instruments)
Maximum temperature 1000oC
.1mg sensitivity
Gas switching
Modulated

 

Dynamic Scanning Calorimeter (TA Instruments)
  • Temperature range of -180 to 725oC
  • .2mW sensitivity
  • Interchangeable cells
  • Liquid nitrogen cooling
  • Dual sample
Electrical Equipment

 

DSP Lock-In Amplifier (Stanford Research Systems)
  • 100 dB dynamic reserve without pre-filtering
  • Auto-gain, phase and reserve
  • Time constants from 10 ms to 30 ks
  • 1 mHz to 102 kHz frequency range

 

Voltage Preamplifier (Stanford Research Systems)
  • FET input, 100 MW input impedance
  • Gains of 1, 2, 5, and 10
  • Single ended or differential input
  • 3.6 nV/ÖHz