《Table 1.Fraction of deformation texture for several heavy cold-rolled Cu Ni substrates》

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《Effect of different deformation and annealing procedures on non-magnetic textured Cu_(60)Ni_(40) alloy substrates》

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To characterize the effect of the degree of deformation on the rolling texture，we studiedα-fibers andβ-fibers of the deformed Cu60Ni40 tapes（see Fig.2）.With increasing deformation，the amount of Goss and brass-type orientations decreased slightly，whereas the copper-type texture became more intense.This result shows that 99%deformation leads to a stronger copper-type rolling texture，consistent with the pole figures in Fig.1，and a stronger cube recrystallization is expected.The S-，copper-，and brass-type orientations contents of Cu77Ni23，Cu67Ni33，and Cu55Ni45 substrates[25]after 99.3%deformation are shown in Table 1.With increasing Ni content in Cu Ni alloys，the S orientation decreased substantially.By contrast，the copper-type texture in these samples decreased from 56.0%to 13.5%with increasing Ni content from 23at%to 45at%.However，the relative copper-type texture content of the present Cu60Ni40（99%deformation）is higher than that of the Cu67Ni33（99.3%deformation）reported previously[25].Furthermore，the brass-type orientation content of the Cu60Ni40（99%deformation）and Cu60Ni40（95%deformation）is lower than those reported in Ref.[25]for a Cu55Ni45 sample with 99.3%deformation.This low brass-type orientation content may be attributable to twinning deformation being triggered in Cu67Ni33 and Cu55Ni45，with the result that some copper-type textured grains were rotated toward the brass-type orientation.Because of the slightly lower deformation degree of 99.0%instead of 99.3%，this effect might not have occurred to the same extent in the Cu60Ni40 alloys studied in the present work.