For the bigger diffusion coefficient of the nickel other than that of the copper, the nickel layer would diffused into the copper layer, leading to the forming of Cu-Ni solid solution.
英
美
- 在扩散过程中,由于镍的扩散系数比铜大,镍层扩散进入铜形成了铜镍固溶体,界面呈现单向迁移。