不同参数下投手植物纹理表面的润滑性能研究

IF 1.5 4区工程技术 Q3 ENGINEERING, MECHANICAL Industrial Lubrication and Tribology Pub Date : 2024-07-23 DOI:10.1108/ilt-04-2024-0119

Dongya Zhang, Yanping Gao, Pengju Wu, Yanchao Zhang, Liping Wang

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引用次数: 0

摘要

设计/方法/途径在铜合金上制作了一个类似于投手植物的结构表面，并评估了不同参数下类似于投手植物结构的润滑性能。此外，还根据纳维-斯托克斯方程模拟了类植物表面的压力分布和油膜承载能力。研究结果当运动方向与投手状植物结构对齐时，摩擦系数仍然低于无纹理表面，并且随着纹理宽度和间距的增加呈下降趋势；当 B = 0.3 mm、L = 1.0 mm 和 θ = 45° 时，摩擦系数最低（0.04），与无纹理表面相比降低了 75%。仿真结果表明，随着纹理宽度和间距的增加，油膜承载能力呈上升趋势。独创性/价值在铜合金上制备仿生投手植物，以改善润滑性能和耐磨性。同行评审本文的同行评审记录可在以下网址查阅：https://publons.com/publon/10.1108/ILT-04-2024-0119/。

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Study on the lubrication performance of the pitcher plant–like textured surface with various parameters

Purpose

This paper aims to enhance lubrication performance of the pitcher plant–like textured surface with various parameters.

Design/methodology/approach

A pitcher plant–like structure surface is fabricated on the copper alloy, and the lubrication performance of the pitcher plant–like structure with various parameters is evaluated. In addition, the pressure distribution and oil film load capacity of the pitcher plant–like surface are simulated based on Navier–Stokes equations.

Findings

When the direction of motion aligns with the pitcher plant–like structure, the friction coefficient remains lower than that of the nontextured surface, and it exhibits a decreasing trend with the increasing of the texture width and spacing distance; the lowest friction coefficient (0.04) is achieved with B = 0.3 mm, L = 1.0 mm and θ = 45°, marking a 75% reduction compared to the nontextured surface. Simulation results demonstrate that with the increase in texture width and spacing distance, the oil film load-bearing capacity demonstrates an increasing trend.

Originality/value

Bionic pitcher plants are prepared on the copper alloy to improve the lubrication performance and wear resistance.

Peer review

The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-04-2024-0119/

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来源期刊

Industrial Lubrication and Tribology 工程技术-工程：机械

CiteScore

3.00

自引率

18.80%

发文量

129

审稿时长

1.9 months

期刊介绍： Industrial Lubrication and Tribology provides a broad coverage of the materials and techniques employed in tribology. It contains a firm technical news element which brings together and promotes best practice in the three disciplines of tribology, which comprise lubrication, wear and friction. ILT also follows the progress of research into advanced lubricants, bearings, seals, gears and related machinery parts, as well as materials selection. A double-blind peer review process involving the editor and other subject experts ensures the content''s validity and relevance.