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Electroless nickel boron (Ni-B) coatings are finding their applications in the aerospace, automotive, chemical and electrical industries due to their properties such as high hardness and high wear resistance. However, Ni-B coatings generally show high friction. They also suffered from severe attacks in aqueous solution containing Cl− ion. In this paper, the experiments are carried out to reduce the...
The affection of Cu content on the phase evolution of Ag-Cu alloys was investigated by electrochemical noise (EN) with Hilbert spectra analysis. The results showed that the dealloying corrosion rate decreased and contribution of the transient shift from low-frequency parts (diffusion process) to the high-frequency parts (dissolution process) increased with the content of Cu increasing. Due to the...
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