GHFM tester: Setting new standards in thermal material analysis
Since the beginning of this year, ZFW laboratories have been equipped with the newly developed
Guarded Heat Flow Meter (GHFM) measuring system, which was specially designed for the application-oriented thermal characterization of cell spacers and other insulation materials.
Unique features include hot side temperatures of up to 850°C at a surface pressure of up to 4 MPa. Precise real-time measurement of the sample thickness enables not only the determination of thermal resistance but also the reliable calculation of thermal conductivity.
ZFW offers measurement services according to OEM specifications or with individual test parameters. The GHFM is already being used successfully by customers in Asia, America, and Europe.
Interested? Get in touch with us!
Doctoral thesis: Focus on microscopic heat transport
In November, our colleague Oliver Roser's dissertation “Heat Conduction in Filled Polymers - Experimental and Simulative Investigations on Microscopic Heat Transport and Particle-Level Phenomena” was published by Cuvillier Verlag.
The work describes new experimental and simulation methods as well as the results of several years of research into microscopic heat transport mechanisms in filled polymers. One focus is on contact phenomena at TIM interfaces, whose thermal resistances are described as a volumetric effect for the first time. At the ZFW, this has led to the development of new, practical methods, including:
• Microthermography for thin layers and interfaces
• Microstructure simulations for TIMs and casting compounds
• Multi-scale simulations for composite materials
We would be happy to use these methods for your R&D projects – please contact us.
Best regards
Your ZFW team