《Table 2.Relative texture coefficients and average grain sizes of the composites》

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《Preparation of super-aligned carbon nanotube-reinforced nickel-matrix laminar composites with excellent mechanical properties》

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As shown in Table 2，the（200）peaks are the most intense，indicating preferred growth parallel to the（200）plane for the pure Ni.When the SACNT content in the composites was increased，the（200）orientation intensities slightly decreased from 91%at the maximum in pure Ni to 52%in the composite containing 4vol%SACNTs.The intensities of the（111）and（220）planes show substantial enhancement.The（111）facet is known to have a higher atomic density and lower surface energy in the fcc lattice compared with other facets.However，Ni atoms apparently migrated from the higher-energy（200）plane to the lower energy（111）or（220）planes when the CNTs were present.The growth direction of the SACNT/Ni composites changes from the single（200）plane to a combination of the（111），（220） ，and（200）planes.