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High-entropy alloys (HEAs), novel alloys, were proposed by the Prof.Jien-Wei Yeh, in 2004.The introduction of HEAs design concept breaks the shackles and opens up a new era in the field of alloys design.More and more research reports show that HEAs have many special physical, chemical and mechanical properties Now, HEAs have become the most popular research direction in the field of metal alloys.