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Abstract
The role of refractory metals in high temperature applications is discussed in the context of structural intermetallic compounds. The use of refractory metals in the elemental form as well as its use as alloying additions is first discussed. A catalogue of refractory metal based structural intermetallics is then itemised. Two examples, a niobium-based structural intermetallic compound and the role of the refractory metal W in improving the thermal stability of TiAl-based intermetallics are then discussed.