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TMA PT 1000

Thermomechanical Analyzer TMA PT1000

Description

On point

The design of the LINSEIS TMA PT1000 Thermomechanical Analyzer guarantees highest precision, reproducibility and accuracy. The system was constructed to perform a variety of Thermomechanical experiments on an array of sample shapes and sizes over a wide temperature range to meet all TMA needs. The system can perform either static or dynamic measurements due to a built in force/frequency generator.

Typical materials under investigation are: composite materials, glass, polymers, ceramics and metals. The variety of measuring systems allows sample geometries such as fibers, rods, films, rods or cylinders.

 

TMA Funktionen

TMA / DTMA Features

With low constant load:

  • Linear thermal expansion evaluation
  • Change of volume
  • Phase transformation
  • Sinter process evaluation
  • Softening point determination
  • Transformation points
  • Swelling behavior
  • Tension

With increased constant load:

  • Penetration
  • Transition and comparison tests
  • 3 point bending test

With dynamic load:

  • Visco-elastic behavior

Additional optional features:

  • DTA evaluation
  • (RCS) Rate controlled sintering software

 

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Specifications

Black and white
Modell TMA PT1000
Temperature range: -150 … 1000°C
-260 … +220°C
Sample size: 30 mm
Force: up to 1 or 5.7 N
Frequency: 1 Hz
Resolution: 0.125 nm
Atmospheres: red., inert, oxid., static/dyn.
Electronics: Integrated
Interface: USB
Modell TMA PT 1000 EM
Temperature range: -150 up to 1000°C
-260 up to +220°C
Sample size: 30 mm
Force: up to 1 / 5.7 / 20 N
Frequency:
Resolution: 0.125 nm
Atmospheres: red., inert, oxid., static/dyn.
Electronics: Integrated
Interface: USB

Accessories

Dilatometer Gas Dosing Dilatometer Messsysteme

  • Sample preparation devices
  • Different types (designs/materials) of sample holders
  • Vernier calipers for online input of the sample length
  • Selection of Gas Boxes for up to 4 gases
  • Low temperature LN2 cooling device (-150°C)

Software

All LINSEIS thermo analytical instruments are PC controlled. The individual software modules exclusively run under Microsoft® Windows® operating systems. The complete software consists of 3 modules: temperature control, data acquisition and data evaluation. The 32 bit software incorporates all essential features for measurement preparation, execution, and evaluation of a Thermogravimetric measurement. Thanks to our specialists and application experts, LINSEIS was able to develop comprehensive easy to understand user friendly application software.

TMA-Features

  • Glass transition and softening point evaluation
  • Softening point detection with automatic software controlled system shut down
  • Display of relative/absolute shrinkage or expansion curves
  • Presentation and calculation of technical / physical expansion coefficient
  • Rate Controlled Sintering (RCS) Software
  • Sinter process evaluation
  • Semiautomatic evaluation functions
  • Several system correction features
  • Automatic zero point adjustment
  • Automatic software controlled sample pressure adjustment

General Features

  • Program capable of text editing
  • Data security in case of power failure
  • Thermocouple break protection
  • Repetition measurements with minimum parameter input
  • Evaluation of current measurement
  • Curve comparison up to 32 curves
  • Storage and export of evaluations
  • Export and import of data ASCII
  • Data export to MS Excel
  • Multi-methods analysis (DSC TG, TMA, DIL, etc.)
  • Zoom function
  • 1 and 2 derivation
  • Programmable gas control
  • Statistical evaluation package
  • Free scaling

Applications

Applications example: Polycarbonate PC

An important limiting factor for thermoplastic applications is the glass transition point. With the different loads on the polycarbonate molded parts investigated here, the TMA shows that softening occurs long before the glass transition temperature is reaches. During this investigation the material has been penetrated by a pushrod with two different forces (1cN and 2cN). Depending on the load, the depths of the penetrations have varied. The heating rate for both evaluations has been 5K/min.

TMA Applikation Polycarbonate PC

Anwendungsbeispiel: Polyvinylchlorid

This plastic has found extensive use as an electrical insulator for wires and cables. Cloth and paper can be coated with it to produce fabrics that may be used for upholstery materials and raincoats. The glass point of the PVC sample was detected at 93.2°C. The elastic range starts from approximately 150°C. At higher temperature the change of the sample into the plastic range can be detected very well.

TMA Applikation Polyvinylchlorid

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