Microstructural studies on rapidly solidified inconel 625

Dey, G. K. ; Albert, S. ; Srivastava, D. ; Sundararaman, M. ; Mukhopadhyay, P. (1989) Microstructural studies on rapidly solidified inconel 625 Materials Science and Engineering A, 119 . pp. 175-184. ISSN 0921-5093

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Official URL: http://www.sciencedirect.com/science/article/pii/0...

Related URL: http://dx.doi.org/10.1016/0921-5093(89)90537-6


Rapidly solidified ribbons of Inconel 625 have been found to contain austenite (γ) grains of 1-2 μ m size having a cellular-dendritic morphology and heterogeneously distributed particles of the MC phase. This microstructure has been found to be quite different from the microstructure of conventionally processed and solution-treated Inconel 625. The stability of the cellular-dendritic morphology of the γ matrix to thermal treatments and the precipitation of the intermetallic γ ' and the δ phases as well as of the M23C6 phase during aging have been studied. The precipitation behaviour of the melt-spun alloy has been compared with that of the conventionally processed alloy. The precipitation kinetics of the γ " and the δ phases have been found to be faster in the former than in the latter.

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Deposited On:10 Feb 2012 15:25
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