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Transition metals diborides (Ti,Zr,Hf)B2 play a key role in applications where stability at extremely high temperatures and damage tolerance are required; however, much research has still to be done to optimize the joining of these materials to themselves or to other high-temperature materials. In this study, the reactivity at the solid-liquid interface between ZrB2 ceramics and Ni-based brazing alloys...
MB 2 (M=Ti,Zr,Hf) Ultra High Temperature Ceramics (UHTCs) are characterised by melting temperatures in excess of 3000 °C and have structural, physical, transport, and thermodynamic properties suitable for use as thermal barriers in extreme environments. It is then necessary to investigate interactions of the diborides with the materials they are supposed to protect. To this end it has been...
A two-part discussion of the B–Hf–Ni system by CALPHAD and Experimental methods is presented which shows how efficient application of the results can lead to a greater understanding of the behavior as well as insight into the direction of future research. This Part 1 is devoted to the calculation of the ternary sections of the B–Hf–Ni phase diagram at various temperatures, which are of special interest...
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