A gradient surface produced by combined electroplating and incremental frictional sliding

Autor: Yu, Tianbo, Hong, Chuanshi, Kitamura, K., Tomatsu, K., Taniyama, A., Huang, X., Hansen, N.
Jazyk: angličtina
Rok vydání: 2017
Zdroj: Yu, T, Hong, C, Kitamura, K, Tomatsu, K, Taniyama, A, Huang, X & Hansen, N 2017, ' A gradient surface produced by combined electroplating and incremental frictional sliding ', I O P Conference Series: Materials Science and Engineering, vol. 219 . https://doi.org/10.1088/1757-899X/219/1/012048
DOI: 10.1088/1757-899X/219/1/012048
Popis: A Cu plate was first electroplated with a Ni layer, with a thickness controlled to be between 1 and 2 mu m. The coated surface was then deformed by incremental frictional sliding with liquid nitrogen cooling. The combined treatment led to a multifunctional surface with a gradient in strain, chemical content, microstructure, and hardness. The chemical profile was measured by glow-discharge optical emission spectroscopy, showing diffusion of Ni into the heavily deformed Cu layer to a depth of about 40 mu m. The microstructure and hardness were characterized and compared with a similarly processed Cu plate without Ni coating, showing a strong effect of the coated layer on the deformation. The experimental results are followed by an analysis of strengthening mechanisms and a discussion of the applicability of the new technique for increasing the durability and lifetime of components exposed to friction and wear, e.g. in wind turbines.
Databáze: OpenAIRE