# High-entropy alloys

Multi-principal-element alloys for extreme environments, designed and made for space, fusion and aerospace work.

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## Refractory high-entropy alloys (RHEA)

Alloys based on W, Mo, Ta, Nb, Hf and Zr for thermal and mechanical stability at very high temperature. Developed in the SPARK project, an ESA FIRST! award winner.

## HEA sputtering targets

Targets in multi-principal-element alloys, for coatings that resist corrosion, wear and high-temperature oxidation.

## Custom HEA parts

Design, manufacture and characterisation to your specification, from research samples to prototype parts.

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