PREPARATION AND CHARACTERIZATION OF Ni–TiN THIN FILMS ELECTRODEPOSITED WITH NICKEL BATHS OF DIFFERENT TiN NANOPARTICLE CONCENTRATION

Chunyang Ma (), Minzheng Jiang () and Fafeng Xia
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Chunyang Ma: School of Mechanical Science and Engineering, Northeast Petroleum University, Daqing 163318, P. R. China
Minzheng Jiang: School of Mechanical Science and Engineering, Northeast Petroleum University, Daqing 163318, P. R. China
Fafeng Xia: School of Mechanical Science and Engineering, Northeast Petroleum University, Daqing 163318, P. R. China

Surface Review and Letters (SRL), 2017, vol. 24, issue 05, 1-7

Abstract: Ni–TiN thin films with different TiN nanoparticle contents were successfully fabricated from a nickel bath with the addition of four TiN nanoparticles loadings (2, 4, 6 and 8g/L). The influence of the TiN nanoparticle content on the film structure, micro-hardness, micro-strain and residual stress was examined, and the film wear behavior was investigated in detail. The results showed that the average size of the nickel grains and TiN nanoparticles is 68.1nm and 22.6nm, respectively, for the film deposited with 8g/L TiN. X-ray diffraction patterns indicated that the film deposited with 2g/L TiN displays the (2 0 0) preferred orientation; however, when the concentration of TiN in the bath was increased to 6g/L, such orientation was suppressed and a random arrangement showed up. The film wear loss gradually decreases as the concentration of TiN additive in the bath increases from 2g/L to 8g/L, and a minimum loss of approximately 39.7mg was obtained for the film deposited at 8g/L TiN, which also displayed the maximum average micro-hardness (789.4HV).

Keywords: Thin film; structure; residual stress; wear mechanism (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1142/S0218625X17500639

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