后热处理添加剂制造的 SS316L 零件在润滑条件下的摩擦学行为研究

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-08-29 DOI:10.1108/ilt-04-2024-0110

Veluchamy M., Kumanan Somasundaram, Satheeshkumar V.

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引用次数: 0

摘要

目的本文旨在研究快速成型 SS316L 零件在润滑滑动条件下的摩擦和磨损机理。使用了 5W30、15W40、20W50 和 SAE140 等不同粘度的润滑油。这些研究为印刷和热处理后的 SS316L 的高性能提供了理论依据。设计/方法/途径对选择性激光熔化制造的 SS316L 印刷试样和热处理试样进行了三维测试。试验持续时间为 15 分钟，试验参数为 20 牛顿载荷、200 转/分、销轴直径 8 毫米、长度 25 毫米、轨道直径 80 毫米和 EN31 反圆盘体。这项工作通过斯特里贝克（Stribeck）曲线展示了润滑机制及其特征，这些机制影响了工业粘性润滑剂影响下添加制造的 SS316L 的摩擦学特性。观察结果表明，添加剂制造的 SS316L 显示出较低的摩擦系数（COF）和特定磨损率（SWR）。原创性/价值这项独家研究展示了各种粘性润滑剂如何影响印刷和热处理后 SS316L 零件的 COF 和 SWR。研究并报告了 Lambda (λ)、润滑油膜厚度 (h0)、表面粗糙度和磨损机理。同行评议本文的同行评议记录可在以下网址查阅：https://publons.com/publon/10.1108/ILT-04-2024-0110/。

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Investigations on tribological behavior under lubricated condition of post heat treated additively manufactured SS316L parts

Purpose

The purpose of this paper is to investigate the friction and wear mechanisms in lubricated sliding conditions of additively manufactured SS316L parts. The different viscous oils 5W30, 15W40, 20W50 and SAE140 are used. These investigations provide a theoretical basis for the high performance of printed and postheattreated SS316L.

Design/methodology/approach

Tribological tests were carried out on selective laser melting-made SS316L printed specimens and heat-treated specimens. The parameters in 15 min of test duration are 20 N of load, 200 rpm, 8 mm of pin diameter, 25 mm length, 80 mm of track diameter and EN31 counter disc body. This work presented the phenomena of lubrication regimes and their characterization, as identified by the Stribeck curve, and these regimes affect the tribological properties of additively manufactured SS316L under the influence of industrial viscous lubricants. The results are observed using Scanning electron microscope (SEM), X-ray diffraction (XRD) and wear tests.

Findings

The observations indicate that additively manufactured SS316L shows a reduced coefficient of friction (COF) and specific wear rate (SWR). This is credited to the utilization of different viscous lubricants.

Originality/value

This exclusive research demonstrates how various viscous lubricants affect the COF and SWR of printed and post-heat-treated SS316L parts. Lambda (λ), lubricant film thickness (h₀), surface roughness and wear mechanisms are studied and reported.

Peer review

The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-04-2024-0110/

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.

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