Thick graded interfaces increase wear resistance in Ti/TiN nanolayered thin films

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

Thin Solid Films Pub Date : 2025-03-08 DOI:10.1016/j.tsf.2025.140653

Justin Y. Cheng , Ashlie Hamilton , Michael Odlyzko , Mauricio De Leo , J. Kevin Baldwin , Nathan A. Mara

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引用次数: 0

Abstract

Multilayered composites with nanoscale layer thickness incorporating titanium and titanium nitride (Ti/TiN) are used as a model system to study the effects of heterophase interface structure on elastic and plastic deformation, as well as wear behavior. In this work, hardness, modulus, and wear rate under dry reciprocating sliding contact are quantified as a function of Ti-TiN heterophase interfacial nitrogen gradient thickness for Ti/TiN multilayers with 10–80 nm layer thickness. Hardness and modulus are found to be inversely proportional to layer thickness and independent of interface gradient for most specimens. Wear rate is found to be inversely proportional to interface gradient thickness at constant layer thickness, demonstrating that control of nanoscale interface structure is a valid approach to enhancing wear behavior. The materials studied in this work wear comparably or slower than other Ti- and TiN-based composites in the literature, providing a promising avenue for engineering wear-resistant materials for use in industrially relevant applications.

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厚梯度界面提高了 Ti/TiN 纳米层状薄膜的耐磨性

以纳米层厚含钛和氮化钛（Ti/TiN）的多层复合材料为模型体系，研究了异相界面结构对复合材料弹塑性变形和磨损行为的影响。本文研究了厚度为10 ~ 80nm的Ti/TiN多层材料在干往复滑动接触下的硬度、模量和磨损率随Ti-TiN异相界面氮梯度厚度的变化规律。硬度和模量与层厚成反比，与界面梯度无关。在一定的层厚下，磨损率与界面梯度厚度成反比，表明控制纳米级界面结构是提高磨损性能的有效途径。在这项工作中研究的材料磨损与文献中其他Ti和tin基复合材料相当或更慢，为工业相关应用中使用的工程耐磨材料提供了一条有前途的途径。

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

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.