Thermal Analysis

Dynamic Mechanical Analysis (DMA)

Properties Measured

Glass Transition Temperature (Tg)

Storage Modulus (E’)

Loss Modulus (E”)

Tangent Delta, Hysterisis

Creep and Stress Relaxation

Damping

Softening Temperature

Cure Behavior

Instrument Capabilities

Temperature Range:  -150°C and 300°C

Heating Rates: 0.1°C to 20°C/min

Cooling Rates: 0.1°C to 10°C/min

Frequency Oscillation: 0.010 Hz to 200Hz

Maximum Force: 18 N

Minimum Force: 0.0001 N

Force Resolution: 0.00001 N

Strain Resolution: 1 nanometer

Modulus Range: 103 to 3×1012 Pa

Deformation Modes

Uniaxial Tension

Dual Cantilever

Single Cantilever

Compression

Sample size: approximately 10 x 50 x 3mm depending on mode

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Example Test Protocols

ASTM D5992

Standard Guide for Dynamic Testing of Vulcanized Rubber and Rubber-Like Materials Using Vibratory Methods

ASTM D2231

Standard Practice for Rubber Properties in Forced Vibration

ASTM E1640

Standard Test Method for Assignment of the Glass Transition Temperature By Dynamic Mechanical Analysis

ASTM D4065

Standard Practice for Plastics: Dynamic Mechanical Properties: Determination and Report of Procedures

ASTM D4092

Standard Terminology for Plastics: Dynamic Mechanical Properties

ASTM D623

Standard Test Methods for Rubber Property—Heat Generation and Flexing Fatigue In Compression

ASTM D4473

Standard Test Method for Plastics: Dynamic Mechanical Properties: Cure Behavior

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