In-situ High-energy X-ray Diffraction on an Intermetallic Beta-stabilised Gamma-TiAl Based Alloy

Abstract

In-situ high energy X-ray diffraction is a powerful technique to investigate the structure of a material in a dynamic setup. In the present work, the technique was used to study an intermetallic TNM alloy with an increased content of β-stabilising alloying elements Nb and Mo. In a dilatometer setup placed in the synchrotron beam, heating experiments close to thermodynamic equilibrium conditions were performed on homogenised specimens. The experiments offered a deeper insight into the phase transformation behaviour of the investigated type of multi-phase alloy.