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. 2016 May 17;6:26039. doi: 10.1038/srep26039

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(a,b) (C₀-C_α)-(C_β-C_α) plots for 10 mm and 20 mm samples, respectively. β volume fraction is found to be increased with building thickness. As β (bcc) is softer than α (hcp), the significant increase in β volume fraction will definitely reduce material’s hardness and strength. (c) Vanadium concentration profiles showing kinetic vanadium segregation (hatched region) at interface front of β phase in 10 mm and 20 mm samples. (d) Aluminum concentration profiles showing kinetic aluminum depletion (hatched region) at interface front of α phase in 10 mm and 20 mm samples. α/β interface was found to be widened in 20 mm sample due to vanadium segregation and aluminum depletion.