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The texture evolution of Ni5W out layer in the composite tapes with multi-layer structure was investigated by the means of four circle X-ray diffraction and EBSD techniques. Results show that both the gradient distribution of deformation texture and the diffusion between each layer dominate the texture development of the Ni5W out layer in the composite tapes. This explanation is useful in view of discussing the relationships governing the texture formation of each layer in composite tapes.