Microstructure Analysis of the Alloy 625-nTiC Metal-Matrix-Composites Produced by Suction Casting

Łukasz Rakoczy; Rafał Cygan

doi:10.4028/p-29oBjP

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HomeMaterials Science ForumMaterials Science Forum Vol. 1134Microstructure Analysis of the Alloy 625-nTiC...

Microstructure Analysis of the Alloy 625-nTiC Metal-Matrix-Composites Produced by Suction Casting

Abstract:

Alloy 625 is a Ni-based superalloy with the main alloying elements being Nb, Cr, and Mo. It is known for its excellent corrosion resistance, good weldability, both high heat and creep resistance, and good strength. The current work presents the microstructure of Alloy 625-nTiC metal matrix composites (MMC) fabricated through suction casting. The microstructure and chemical composition of strengthening phases were investigated by light microscopy, scanning electron microscopy and energy-dispersive X-ray spectroscopy. The results showed that fabricated MMC composites are characterized by a dendritic microstructure with irregular distribution of the strengthening precipitates. Based on chemical composition analysis, the strong enrichment in Nb and Ti was revealed.

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Periodical:

Materials Science Forum (Volume 1134)

Pages:

67-72

DOI:

https://doi.org/10.4028/p-29oBjP

Citation:

Cite this paper

Online since:

December 2024

Authors:

Łukasz Rakoczy*, Rafał Cygan

Keywords:

Composite, Microstructure, MMC, Nanoparticle, Nickel

Funder:

The publication of this article was funded by the AGH University of Krakow 10.13039/501100007751

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Creative Commons CC BY 4.0

Citation:

* - Corresponding Author

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