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High Throughput. 2019 Dec 5;8(4). pii: E22. doi: 10.3390/ht8040022.

Descriptors for High Throughput in Structural Materials Development.

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Faculty of Production Engineering, University of Bremen, Badgasteiner Straße 1, 28359 Bremen, Germany.
Leibniz Institute for Materials Engineering - IWT, Badgasteiner Straße 3, 28359 Bremen, Germany.
Automation and Quality Science, Bremen Institute for Metrology, University of Bremen, Linzer Str. 13, 28359 Bremen, Germany.
Center for Environmental Research and Sustainable Technology, UFT, Leobener Strasse 6, 28359 Bremen, Germany.
BIAS-Bremer Institut für Angewandte Strahltechnik GmbH, Klagenfurter Str. 5, 28359 Bremen, Germany.
Bremen Institute for Mechanical Engineering (BIME), University of Bremen, Badgasteiner Straße 1, 28359 Bremen, Germany.


The development of novel structural materials with increasing mechanical requirements is a very resource-intense process if conventional methods are used. While there are high-throughput methods for the development of functional materials, this is not the case for structural materials. Their mechanical properties are determined by their microstructure, so that increased sample volumes are needed. Furthermore, new short-time characterization techniques are required for individual samples which do not necessarily measure the desired material properties, but descriptors which can later be mapped on material properties. While universal micro-hardness testing is being commonly used, it is limited in its capability to measure sample volumes which contain a characteristic microstructure. We propose to use alternative and fast deformation techniques for spherical micro-samples in combination with classical characterization techniques such as XRD, DSC or micro magnetic methods, which deliver descriptors for the microstructural state.


DSC; XRD; compression; descriptor; dilatometry; high throughput; laser-induced shock wave; measuring instrument; particle-oriented peening; predictor; shot peening; speckle; steel; structural materials; universal micro-hardness testing

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