Microstructure, Element Distribution, and Mechanical Property of Cu9Ni6Sn Alloys by Conventional Casting and Twin-Roll Casting

Cu9Ni6Sn alloys were prepared by conventional casting (CC) and twin-roll casting (TRC). The CC-processed specimens possessed dendritic structures, and Sn was distributed mainly in the inter-dendritic region and formed dendritic segregation. The TRC-processed specimens were composed of equiaxed grain...

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Bibliographic Details
Published in:Metallurgical and materials transactions. A, Physical metallurgy and materials science Physical metallurgy and materials science, 2020-04, Vol.51 (4), p.1469-1474
Main Authors: Tang, Delin, Wang, Lin, Li, Jing, Wang, Zhaofei, Kong, Charlie, Yu, Hailiang
Format: Article
Language:eng
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Summary:Cu9Ni6Sn alloys were prepared by conventional casting (CC) and twin-roll casting (TRC). The CC-processed specimens possessed dendritic structures, and Sn was distributed mainly in the inter-dendritic region and formed dendritic segregation. The TRC-processed specimens were composed of equiaxed grains and a heterogeneous structure. The distribution of Sn showed gradient characteristics, with more Sn in the surface layer and less Sn in the center. The TRC-processed specimens had more inhomogeneous mechanical properties than the CC-processed specimens.
ISSN:1073-5623
1543-1940