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Introduction:

DMADMA is an important technique used to measure the mechanical and viscoelastic properties of materials. The sample is subjected to an oscillating force in one of several different modes of deformation and the force, displacement amplitudes, phase shift are then analyzed as a function of temperature, time and frequency. DMA are used to study various material properties such as viscoelasticity, creep and stress relaxation, glass transition, phase transitions, Young modulus, shear modulus, complex modulus (storage & loss modulus), damping behavior etc.

 

Specifications / Applications:

  • Temperature range: -190 to 600 °C
  • Heating / cooling rates: 0.1 to 20 °C /min
  • Measurement Frequency: 0.001 Hz to 300 Hz
  • Maximum force and displacement: ±10 N and ±1 mm
  • Sensitivity: 1 mN and 30 nm
  • Deformation mode and max. effective sample size (L x W): tension (20 mm x 13 mm), 3-point bending (45 mm x 13 mm), Dual cantilever  (35 mm x 13 mm), single cantilever  (17.5 mm x 13 mm),  shear (10 mm x 12 mm), compression (10 mm x 16 mm)

 

Notes to user:

Please inform laboratory in charge, Dr. Hardy Lui, for the change of deformation mode.

 

Supplier information:

         https://www.mt.com/hk/en/home/products/Laboratory_Analytics_Browse/TA_Family_Browse/DMA/DMA1.html

 

Please click here to download the equipment introduction poster.

 

Equipment location:

Room BC710

 

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