Grain size is an important characteristic used in understanding the development, engineering and potential failure of steels. EBSD is an ideal technique for determining grain size, it offers microstructural characterisation including grain size, grain boundary characterisation and texture quantification.
In this example a galvanized high carbon steel wire is examined. This wire is used for manufacturing bridge cables, and therefore it requires high strength, plasticity and toughness coupled with good torsion performance. Improving torsion performance and achieving higher strength is a challenge and research has focused on how the microstructure of the raw steel rod materials influences the performance of the final cable.
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*Please note, this application note refers to NordlysMax. This has since been upgraded to Symmetry.