Aktuelle Forschungsprojekte

Image Electrochemical decontamination of electrically conducting surfaces „EDeKo II“
Image Performance tests of refrigerant compressors
Image Innovative Parahydrogen Generator Based on Magnets
Image 3D - Air flow sensor
Image Range of services laboratory analyses
Image Innovative Manufacturing Technologies for Cryosorption Systems
Image Corrosion inhibitor for ammonia absorption systems
Image Optimizing HVAC operation with machine learning
Image Influenced melting point of water by magnetic field
Image Air-flow test rig for fan characteristic measurement
Image High Capacity Pulse Tube Cooler
Image Thermal engines
Image Humidifier System for High-Purity Gases
Image Ice Slurry Generation
Image Certifiable connection types in cryogenics
Image Behavior of multiphase cryogenic fluids

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Investigation of materials

Dr.-Ing. Margrit Junk

+49-351-4081-5419

Investigations regarding the compatibility of materials with refrigerants, oils and heat transfer fluids

Our portfolio includes testing

  • of materials such as polymers, elastomers, nonwovens, adhesives, and metals,
  • of material composites such as wire enamels and hoses, as well as
  • of components and assemblies

together with refrigerant and oil (also under pressure) or with heat transfer fluids as well as

  • of the autostability of oil and refrigerant together with catalyst metals.

We offer tests according to common standards and company standards, but we are also happy to work with you to develop test scenarios tailored to your requirements

Our range of services:

  • Testing of standard samples and components under the influence of refrigerants, refrigerating machine oils and heat transfer fluids in accordance with

    - national and international standards, including

    - ANSI/ASHRAE 97

    - DIN EN ISO 14903

    - DIN EN ISO 23936-2

    - DIN ISO 1817

    - Norsok M-710

    - standards of automotive industry, both OEM and suppliers

    - standards of compressor manufacturers.

  • For aging tests our lab is equipped with:

    - Pressure vessels (autoclaves) with volumes from 300 ml to 2000 ml (for pressures up to 200 bar)

    - ovens/climate chambers for the temperature range from -40 °C to 300 °C.

  • The tests include:

    - swelling behavior

    - hardness (IRHD, µShore D, Vickers, Brinell)

    - tensile, flexural and compression testing

    - compression set under temperature and media loading

    - rapid gas decompression

    - environmental stress cracking tendency of polymers

    - testing of adhesive joints (tensile shear test according to DIN EN 1465)

    - determination of the glass transition temperature (DSC)

    - permeation properties of elastomers

  • Characterization of working fluids

    - Total acid and base number of oils

    - water content of oils and refrigerants

    - IR spectroscopy

    - gas chromatography (GC-MS/FID) of refrigerants and oils

    - ICP-OES for the determination of metal contents in oils and heat transfer fluids

    - electrical properties (incl. conductivity of oils and refrigerants)

The mentioned tests are only a part of our portfolio. If the test conditions or parameters you require are not listed, please do not hesitate to contact us.


Your Request

Further Projects

Image

Characterisation of Superconductors in Hydrogen Atmosphere

Are superconductors really compatible with hydrogen?

Image

Corrosion inhibitor for ammonia absorption systems

An alternative to chromium(VI) compounds

Image

Development of a Cryogenic Magnetic Air Separation Unit

Oxygen Enrichment by Applied Cryogenic Magnetohydrodynamics

Image

Software for test rigs

Individual software for complex tests and evaluation

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Brine (water)-water heat pump

Test according DIN EN 14511 and 14825