The Metallurgical and Materials Transactions A review article "Sustainability of High Entropy Alloys and Do They Have a Place in a Circular Economy?" by M. R. Barnett and S. Gorsse is free access for you to download and read. Ideally, new materials should foster sustainability. How to apply this to high entropy alloys (HEAs) is the subject of this review article, which shows HEAs have a number of potential applications in sustainable technologies. They may also slot sustainably into a circular economy, if they can mediate a lowering of the life cycle energy rate. Although high entropy alloys are most likely to be downcycled at the end of their lives, there is a growing body of literature pointing to interesting ways high entropy alloys might be produced from recycled metal flows, thereby opening up avenues to significantly lower their energy cost of production. Evidence is also presented for a possible 5th core effect in High Entropy Alloys, whereby the presence of multiple alloying additions serves to stabilize the properties against variation in composition.
To read the article, please visit here.
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Emily Glorioso
ASM Employee
ASM International
Novelty OH
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