The size and SDAS of the dendritic structure at positions S 1 , 1 x y to S 1 , 7 x y and S 2 , 1 x y to S 2 , 7 x y show an increasing trend; from the principles of solidification, it can be inferred that during the melting and casting processes, positions S 1 , 1 x y and S 2 , 1 x y are close to the mold wall and their heat diffuses rapidly outward, promoting a corresponding faster cooling rate.
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Microstructural Heterogeneity and Property Variations in Cast and Vacuum Hot-Pressed CoCrPtB Alloy.
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