《Table 2.Contents of Ni and Cu in the Cu matrix and the pre-cipitated phase of the Be–Cu cast alloys

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《Effects of Ni content on the cast and solid-solution microstructures of Cu-0.4wt% Be alloys》

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wt%

EDS was used to analyze the chemical composition of the Cu matrix and the precipitates in the samples with a Ni content of 1.5wt%and 2.1wt%；the results are listed in Table 2.The Ni content in the precipitate was much higher than that in the Cu matrix，indicating that the precipitate was rich in Ni.Notably，the Be atom is too light（atomic number of 4）to be accurately detected using EDS；therefore，the Be content was not quantified in the present work.