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Cu–Ta bulk nanocomposites with varying amounts of Ta were produced by high-energy ball milling followed by compaction and sintering. The final crystallite size of Cu and Ta during the high-energy ball milling depends on the deformation behavior of the Cu–Ta composite rather than the melting point of the elements. The grain size of the nanocomposites after sintering is less than 100nm. The Cu–Ta nanocomposites...
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