The use of high-entropy alloys in additive manufacturing

An equiatomic FeCoCrNi high-entropy alloy is used as an input material for selective laser melting. The material is characterized using X-ray diffraction, scanning electron microscopy, thermal analysis and mechanical testing to investigate the feasibility of using high-entropy alloys in additive man...

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Veröffentlicht in:Scripta materialia 2015-04, Vol.99, p.93-96
Hauptverfasser: Brif, Yevgeni, Thomas, Meurig, Todd, Iain
Format: Artikel
Sprache:eng
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Zusammenfassung:An equiatomic FeCoCrNi high-entropy alloy is used as an input material for selective laser melting. The material is characterized using X-ray diffraction, scanning electron microscopy, thermal analysis and mechanical testing to investigate the feasibility of using high-entropy alloys in additive manufacturing and the resulting tensile properties. Results show that not only does the alloy preserve its single-phase solid-solution state, but it also exhibits high strength and ductility that are comparable to engineering materials like stainless steels.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2014.11.037