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Webinar

Revealing plasticity progression via in situ HT-EBSD deformation observation

When you need to link materials performance to microstructure, ZEISS puts an automated in situ heating and tension experimental lab at your disposal. Observe materials under heat and tension automatically while plotting stress-strain curves on the fly.

Extend your ZEISS FE-SEM with an in situ solution for heating and tensile experiments. Investigate materials like metals, alloys, polymers, plastics, composites, and ceramics.

•  Simple and fast experiment setup
•  Automated in situ workflows
•  High throughput
•  High-quality data

Register for the free webinar here
Register for the free webinar here
Register for the free webinar

About the webinar

Tensile testing is a fundamental testing technique for the mechanical characterization of metals. Being able to combine the mechanical testing with imaging modalities offers unique insights into the deformation behavior of materials, since the deformation progression can be tracked by observation. In this webinar the ZEISS in-situ Lab is used to perform tensile tests on metal samples at high temperatures, while tracking the progression of the deformation using SE and EBSD imaging

From correlation of the SE and EBSD data, high Schmid factor grains can be identified as main contributors to the deformation within the microstructure. Their crystallographic orientation changes throughout the deformation progress, which is tracked in EBSD contrast. This is a result of a series of dislocations moving through the grains, each leading to a slight misorientation. This effect can be tracked and localized using the given test setup. Further SE imaging reveals the morphological change at the sample surface, as plasticity progresses in the bulk of the material.

Speaker Sebastian Krauss, PhD Applications Development Engineer, ZEISS Research Microscopy Solutions

Sebastian Krauss performed his studies in materials science at FAU Erlangen-Nürnberg. During the PhD, he has focused on a crossover of tribology and micromechanics leading to the development of very unique in-situ, micro-tribological experiments in the SEM. In 2022 Sebastian joined ZEISS as an Applications Development Engineer in the Materials Science Team, where he focuses on in-situ deformation experiments and laser ablation applications.

1. Fast setup, one workstation

Combine a mechanical tensile or compression stage, a heating unit, dedicated high-temperature SE and BSE detectors with EDS (energy dispersive spectroscopy) or EBSD (electron backscattered diffraction) analytics from our exclusive integrated in situ analytics provider, Oxford Instruments.

Thanks to the design of ZEISS Gemini electron optics, integration of in situ hardware is very straightforward. Control all system components from a single PC with a unified software environment that enables unattended, automated materials testing for your tensile and heating experiments.

Register for the free webinar here

2. Automatic feature tracking and autofocus

The automatic feature tracking provides you with a new standard for automatic series imaging and analytics such as EDS or EBSD mapping. Start your in situ experiment with defining multiple regions of interest (ROIs), center them automatically, perform autofocus and use different imaging magnifications, scan rates or detectors.

Subsequently, investigate each ROI at each deformation step during the automatic workflow. Different imaging conditions such as scan methods, dwell time and image resolution can be chosen individually for each ROI. Trigger EDS and EBSD maps for selected ROIs as a function of applied tension at a set temperature.

Register for the free webinar here

3. Reliable post-processing

Obtain information on local strain distribution with micrometer resolution of your ROI. Acquire a series of SEM images and benefit from automatic feature tracking taking place during deformation and eventually use it for DIC. Export your resulting images to the 2D DIC GOM Correlate software to analyze strain distribution and overlay with your SEM images.

Combining imaging and analytics enables you to characterize mechanical properties influenced by a combination of the following inclusion parameters: shape, size, quantity, interspacing, distribution, orientation and interfacial strength.

Register for the free webinar here

With this webinar, you learn:

  • Image local deformation behavior while keeping track of the global deformation
  • Track deformation behavior throughout the whole plastic range from a single sample
  • Visualize dislocation driven plasticity via EBSD acquisition throughout the deformation

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