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:English
Subjects:
Casting alloys
Characterization and Evaluation of Materials
Chemistry and Materials Science
Communication
Dendritic structure
Heterogeneous structure
Materials Science
Mechanical properties
Metallic Materials
Nanotechnology
Structural Materials
Surface layers
Surfaces and Interfaces
Thin Films
Twin roll casting
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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
DOI:10.1007/s11661-020-05668-6