The Cu-Ni-W alloys for the liners for shaped charges were successfully prepared by direct current（DC） electrodeposition.The influence of cathode current density on morphology,microstructure and composition of the Cu...The Cu-Ni-W alloys for the liners for shaped charges were successfully prepared by direct current（DC） electrodeposition.The influence of cathode current density on morphology,microstructure and composition of the Cu-Ni-W alloys was investigated by means of scanning electron microscopy（SEM）,X-ray diffraction（XRD） and energy dispersive spectrometry（EDS）.With the increasing of current density,the copper content reduces gradually and the nickel and tungsten content increase; the crystallite size is decreased.When the current density is 15 A/dm 2 the tungsten content reaches 12.96 wt pct,and the crystallite size is submicron degree.The Cu-Ni-W alloy is face-centered cubic（fcc） solid solution.All of the Cu-Ni-W alloys take on（220） texture.展开更多
文摘The Cu-Ni-W alloys for the liners for shaped charges were successfully prepared by direct current（DC） electrodeposition.The influence of cathode current density on morphology,microstructure and composition of the Cu-Ni-W alloys was investigated by means of scanning electron microscopy（SEM）,X-ray diffraction（XRD） and energy dispersive spectrometry（EDS）.With the increasing of current density,the copper content reduces gradually and the nickel and tungsten content increase; the crystallite size is decreased.When the current density is 15 A/dm 2 the tungsten content reaches 12.96 wt pct,and the crystallite size is submicron degree.The Cu-Ni-W alloy is face-centered cubic（fcc） solid solution.All of the Cu-Ni-W alloys take on（220） texture.
