Revealing a Transformation‑Induced Plasticity (TRIP) Phenomenon in a Medium‑Entropy Alloy

Show simple item record Ondicho, Ibrahim Alunda, Bernard Owino, Dicken Otieno, Luke Chepkoech, Melody 2020-08-13T11:33:43Z 2020-08-13T11:33:43Z 2020-05-23
dc.identifier.citation Ondicho, I., Alunda, B., Owino, D. et al. Revealing a Transformation-Induced Plasticity (TRIP) Phenomenon in a Medium-Entropy Alloy. Acta Metall. Sin. (Engl. Lett.) 33, 1159–1165 (2020). en_US
dc.description.abstract A transformation-induced plasticity phenomenon in Fe65(CoCrMnNi)35 medium-entropy alloy was investigated. According to the X-ray difraction patterns, the as-cast specimen contains a single-phase face-centered cubic (fcc), while low-temperature annealing at 500 °C and 600 °C leads to the introduction of a body-centered cubic (bcc) phase as a secondary phase. Further increment of the annealing temperature to above 700 °C eliminates the bcc phase, and the microstructure was found to contain a single-phase fcc. At 20% true strain, an fcc-to-bcc phase transformation is observed; whereas, at 28% true strain, an fccto-hcp phase transformation takes place as an additional deformation mechanism. This strain-induced phase transformation phenomenon leads to improved tensile properties of this alloy en_US
dc.description.sponsorship Acknowledgments This study was financially supported by the National Research Foundation of Korea (No. NRF-2015R1C1A1A01052856). en_US
dc.language.iso en en_US
dc.publisher Springer en_US
dc.subject Phase transformation en_US
dc.subject X-ray diffraction en_US
dc.subject Mechanical behavior en_US
dc.subject Microstructure evolution en_US
dc.subject Multicomponent alloys en_US
dc.title Revealing a Transformation‑Induced Plasticity (TRIP) Phenomenon in a Medium‑Entropy Alloy en_US
dc.type Article en_US

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