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130394 |
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|a Wei, Shaolou
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|a Massachusetts Institute of Technology. Department of Materials Science and Engineering
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|a Jiang, Menglei
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|a Tasan, Cemal
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|a Interstitial-Free Bake Hardening Realized by Epsilon Martensite Reverse Transformation
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|b Springer Science and Business Media LLC,
|c 2021-04-06T19:02:13Z.
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|z Get fulltext
|u https://hdl.handle.net/1721.1/130394
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|a By investigating a metastable high-entropy alloy, we report a latent strengthening mechanism that is associated with the thermally-induced epsilon-martensite-to-austenite reverse transformation. We show this reversion-assisted hardening effect can be achieved in the same time-scale and temperature range as conventional bake-hardening treatment, but leads to both improved strength and cumulative ductility. Key mechanisms are discussed considering transformation kinetics, kinematics, strengthening and ductilization modules.
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|a Article
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|t Metallurgical and Materials Transactions A
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