Webinar Series : Nano Mechanical Properties of Polymers Measurement

Webinar Series : Nano Mechanical Properties of Polymers Measurement

Wednesday 27 April 2022, 3pm NZST, 1pm AEST, 11am AWST
 

Polymeric materials consist of long chains of macromolecules; these macromolecular chains form an organised or unorganised structure. Deformation of polymers is accomplished by the motion of polymer chains relative to each other. Sliding polymer chains past each other takes some time, which is time-dependent deformation. That is, mechanical properties of polymers is not elastic-plastic but visco-elastic-plastic. Therefore dynamic tests are important to polymers.

The general reasons why someone would want to use nano-mechanical testing are precision and positioning capabilities. One of reasons is to test very specific sites with very fine position control. Bruker Hysitron’s positioning accuracy is within plus or minus 10 nanometers, which is crucial for the most demanding and challenging of applications. Combining the dynamic capacity, Hysitron’s nanoscale dynamic mechanical analysis, nanoDMA, uses high bandwidth transducer and control electronics, which are fully optimised for nanoscale dynamic testing and provide industry-leading performance, sensitivity, and a broad dynamic range. Hysitron’s unique coupled AC/DC force modulation routine enables true nanoscale mechanical characterisation and is not subjected to the slow feedback response times that plague other nanoscale dynamic stiffness techniques.

For polymer characterisations, Hysitron’s nanoDMA incorporates a unique reference frequency technique for thermal drift correction during the course of an experiment, enabling long-duration frequency sweeps and creep tests to be reliably performed at the nanoscale.

In this webinar, learn about time-dependent deformation for polymers and Bruker’s technical advantages fully optimized for nanoscale dynamic testing.