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On characteristic eutectic free microstructural evolution in hypereutectic Al-Si processed through spark plasma sintering
Saravanan T.T., , Sharma S.C., S. Kumaran, Chakravadhanula V.S.K., Ravikanth K.V., Vinoadh Kumar K., Sreemoolanadhan H.
Published in Elsevier B.V.
Volume: 275
Spark plasma sintering aids in characteristic eutectic structure free microstructural evolution in hypereutectic Al-Si. The mechanism of suppression of characteristic eutectic was elucidated through current-voltage evolution during sintering, electron backscatter diffraction phase mapping and high-angle annular dark field imaging. The electric current activated eutectic melting at the Al-Si interface followed by rapid heat transfer lead to a microstructural evolution under far from equilibrium condition and free from conventional eutectic structure. © 2020 Elsevier B.V.
About the journal
JournalData powered by TypesetMaterials Letters
PublisherData powered by TypesetElsevier B.V.
Open AccessNo