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DOI:10.1073/pnas.1807817115 - Corpus ID: 49428877
@article{Yang2018DynamicallyRH, title={Dynamically reinforced heterogeneous grain structure prolongs ductility in a medium-entropy alloy with gigapascal yield strength}, author={Muxin Yang and Dingshun Yan and Fuping Yuan and Ping Jiang and Evan Ma and Xiaolei Wu}, journal={Proceedings of the National Academy of Sciences of the United States of America}, year={2018}, volume={115}, pages={7224 - 7229}, url={https://api.semanticscholar.org/CorpusID:49428877}}- Muxin Yang, Dingshun Yan, Xiaolei Wu
- Published in Proceedings of the National… 26 June 2018
- Materials Science
A three-level heterogeneous grain structure with grain sizes spanning the nanometer to micrometer range, imparting a high yield strength well in excess of 1 GPa leads to a sustainable strain hardening rate, a record-wide hysteresis loop in load−unload−reload stress−strain curve and hence high back stresses.
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High-/medium-entropy alloys (H/MEAs) of face-centered-cubic-structured single phase usually suffer from a glaring drawback of low yield strength. Even worse, the trade-off emerges frustratingly…
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