Wear properties of CP-Ti after surface functionalization with Direct Laser Interference Patterning

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL

Wear Pub Date : 2025-08-08 DOI:10.1016/j.wear.2025.206284

Donata Kuczyńska-Zemła , Jarosław Pura , Roman Ostrowski , Halina Garbacz

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引用次数: 0

Abstract

In this work, the tribological properties of pure titanium functionalized using Direct Laser Interference Patterning (DLIP) with two types of patterns (grooves and grid) have been evaluated with comparison to the initial state (shot-peened+acid-etched). Tribological tests were carried out in Hank’s solution at 37 °C, using the pin-on-plate method. The main aim of this study was to investigate the effect of surface patterns on wear behavior. Samples with more uniform surface topography — initial state and DLIP grid — exhibit similar wear behavior. Both the Initial state and the DLIP grid, for all examined samples, displayed smooth wear curves, whereas the DLIP grooves showed stepped wear processes, for both investigated directions. The anisotropic surface topography of DLIP grooves significantly affects the sedimentation and deposition of wear residues. The progressive accumulation of the wear products in the contact zone causes a decrease in the displacement curve of the pin/plate couple. After reaching the critical thickness, wear residues detached, leading to a sudden jump in the displacement curve of several micrometers in height. Despite DLIP functionalization, the wear behavior remained strongly influenced by the crater topography formed during shot peening before laser functionalization.

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直接激光干涉图案化表面后CP-Ti的磨损性能

在这项工作中，使用直接激光干涉图形（DLIP）对纯钛进行了两种类型的图案（凹槽和网格）的摩擦学性能进行了评估，并与初始状态（喷喷+酸蚀）进行了比较。摩擦学试验在37°C的Hank’s溶液中进行，采用板上钉法。本研究的主要目的是研究表面图案对磨损行为的影响。具有更均匀表面形貌的样品-初始状态和DLIP网格-表现出相似的磨损行为。对于所有检测的样品，初始状态和DLIP网格都显示出光滑的磨损曲线，而DLIP凹槽在两个研究方向上都显示出阶梯式磨损过程。DLIP沟槽的各向异性表面形貌显著影响磨损残留物的沉积和沉积。磨损产物在接触区逐渐累积，导致销/板耦合位移曲线减小。在达到临界厚度后，磨损残余物脱离，导致位移曲线在高度上突然跳跃几微米。尽管进行了DLIP功能化，但在激光功能化之前，喷丸强化过程中形成的弹坑地形对磨损行为的影响仍然很大。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Wear 工程技术-材料科学：综合

CiteScore

8.80

自引率

8.00%

发文量

280

审稿时长

47 days

期刊介绍： Wear journal is dedicated to the advancement of basic and applied knowledge concerning the nature of wear of materials. Broadly, topics of interest range from development of fundamental understanding of the mechanisms of wear to innovative solutions to practical engineering problems. Authors of experimental studies are expected to comment on the repeatability of the data, and whenever possible, conduct multiple measurements under similar testing conditions. Further, Wear embraces the highest standards of professional ethics, and the detection of matching content, either in written or graphical form, from other publications by the current authors or by others, may result in rejection.