Influence of pretreatments and magnetic field application during electroless plating on the structure and mechanical properties of amorphous Ni-P coatings

IF 2 4区材料科学 Q3 MATERIALS SCIENCE, COATINGS & FILMS

Thin Solid Films Pub Date : 2025-03-26 DOI:10.1016/j.tsf.2025.140667

Ruei-Chi Hsu , Hung-Yin Tsai

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引用次数: 0

Abstract

Amorphous Ni-P films with pretreatments, different electroless plating times, and magnetic field assistance are deposited onto brass plates and micro-journal bearings. X-ray diffraction results show that Ni-P films have an amorphous structure. X-ray photoelectron spectroscopy is used to investigate the bond structure and chemical composition. The hardness (H), coefficient of friction (CoF), corrosion behavior (E_corr), micro-journal bearing working life, and fatigue life of the Ni-P coated samples are obtained. The micro-magnetohydrodynamics effect induced by a magnetic field further improves the mechanical properties of Ni-P coatings. In a comparison between as-deposited and rotating magnetic field assistance electroless plating, the H, E_corr, and fatigue test results respectively increase from 6.78 to 8.62 GPa, from –0.546 to –0.234 V_SCE, and from 112.8 to 133.3 times. The CoF, wear rate, and micro-journal bearing wear decrease from 0.72 to 0.41, from 1.81 × 10^–6 to 1.25 × 10^–6 g/m, and from 1.50 to 0.88 mg, respectively.

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化学镀前处理和磁场对非晶Ni-P镀层结构和力学性能的影响

通过预处理、不同化学镀时间和磁场辅助，将非晶态Ni-P薄膜沉积在黄铜板和微轴颈轴承上。x射线衍射结果表明，Ni-P薄膜具有非晶结构。用x射线光电子能谱研究了其化学键的结构和化学组成。获得了Ni-P涂层试样的硬度(H)、摩擦系数（CoF）、腐蚀行为（Ecorr）、微轴颈轴承工作寿命和疲劳寿命。磁场诱导的微磁流体力学效应进一步改善了Ni-P涂层的力学性能。与旋转磁场辅助化学镀相比，H、Ecorr和疲劳测试结果分别从6.78 GPa提高到8.62 GPa，从-0.546 VSCE提高到-0.234 VSCE，从112.8倍提高到133.3倍。CoF、磨损率和微轴颈轴承磨损分别从0.72降至0.41、从1.81 × 10-6降至1.25 × 10-6 g/m和从1.50降至0.88 mg。

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来源期刊

Thin Solid Films 工程技术-材料科学：膜

CiteScore

4.00

自引率

4.80%

发文量

381

审稿时长

7.5 months

期刊介绍： Thin Solid Films is an international journal which serves scientists and engineers working in the fields of thin-film synthesis, characterization, and applications. The field of thin films, which can be defined as the confluence of materials science, surface science, and applied physics, has become an identifiable unified discipline of scientific endeavor.