Volumetrically incomplete phase transition in Ti grade 2

Tesař Karel - Struers GmbH (Czech Republic)

Phase transitions in metallic materials are often the most important effects which can be studied with respect to the heat-treatment or overheating of a construction part. In a rare case that temperature-induced phase transition is interrupted before the whole material volume is transformed, atypical microstructures can be formed. These microstructures often have detrimental properties and thus a detailed characterization is necessary. In this work, we demonstrate this phenomenon on commercially pure titanium. The presence of the Fe-stabilized β-Ti phase and the γ-Ti hydride is shown and discussed.

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