2024-03-29T11:06:27Z
https://soar-ir.repo.nii.ac.jp/oai
oai:soar-ir.repo.nii.ac.jp:00012479
2022-12-14T04:30:16Z
1221:1222
Phosphorus Particle Composite Plating with Ni-P Alloy Matrix
Suzuki, Yosuke
Arai, Susumu
Shohji, Ikuo
Kobayashi, Eiji
Ni-P alloy films containing phosphorus particles (called Ni-P alloy composite films) were fabricated by electrodeposition and were subsequently subjected to heat-treatment. Their compositions and microstructures were characterized, and their friction properties were evaluated using a ball-on-plate method. Composite electroplating in the nickel sulfate and chloride bath containing phosphorus acid and micrometer-sized phosphorus particles resulted in the Ni-P alloy coating with enhanced deposit phosphorus content. The phosphorus content of the films increased with increasing phosphorus particle concentration in the composite plating baths, reaching a maximum value of 29.0 atom %. The phosphorus particles were homogeneously distributed in this Ni- 29.0 atom % P alloy composite film. Heat-treatment converted the phases of the alloy composite films from an amorphous phase to stable crystalline phases, which are the same as those in the Ni- P binary alloy phase diagram. The friction coefficients of the Ni- P alloy films increased with increasing cycle number, whereas those of the Ni- P alloy composite films remained relatively constant. The alloy composite films had lower friction coefficients than the Ni- P alloy films both before and after heat-treatment. These results indicate that phosphorus particles are beneficial for maintaining a lower and stable friction coefficient during the ball-on-plate reciprocating friction test.
Article
JOURNAL OF THE ELECTROCHEMICAL SOCIETY 156: D283-D286(2009)
journal article
ELECTROCHEMICAL SOC INC
2009-07-04
application/pdf
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
8
156
D283
D286
0013-4651
AA00697016
https://soar-ir.repo.nii.ac.jp/record/12479/files/Phosphorus_Particle_Composite_Plating_NiPAlloy.pdf
eng
10.1149/1.3142391
https://doi.org/10.1149/1.3142391
Copyright (c) 2009 The Electrochemical Society