The influence of thermal effects on wear behaviour of TiAlN-coated cemented carbide tools during turning of AISI 1045+N

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL

Wear Pub Date : 2025-08-08 DOI:10.1016/j.wear.2025.206289

Berend Denkena , Benjamin Bergmann , Hilke Petersen , Malte Kraeft , Norman Mohnfeld , Vanessa K.J. Weißbrodt , Sebastian Herbst , Hans J. Maier

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引用次数: 0

Abstract

High-performance cutting tools are exposed to high temperatures during use. Understanding the thermal influence on the coating and substrate properties is therefore key to predict the tool performance of PVD-coated tools. In machining tests, thermal and mechanical loads cannot be separated from each other. To investigate the influence of thermal load separately, the tools in this study, TiAlN-coated cemented carbides, were initially only subjected to thermal load. Its influence on the coating and substrate properties was then analysed. To understand the effect on cutting behaviour, both thermally loaded and reference tools were used in machining tests and their wear behaviour was analysed.

With this approach, the effect of the thermal load itself on the coating and substrate properties could be isolated. On key finding is that the residual compressive stresses in the TiAlN coating were reduced. In addition, the cobalt concentration at the interface of the substrate was reduced as well. In wear investigation these pre-tempered tools featured an average 24 % reduced tool life compared to the reference tools.

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AISI 1045+N车削过程中热效应对钛合金涂层硬质合金刀具磨损行为的影响

高性能切削刀具在使用过程中暴露在高温下。因此，了解热对涂层和基材性能的影响是预测pvd涂层刀具性能的关键。在机械加工试验中，热负荷和机械负荷不能相互分离。为了单独研究热负荷的影响，本研究中的工具，tialn涂层硬质合金，最初只受到热负荷的影响。分析了其对涂层和基材性能的影响。为了了解对切削性能的影响，在加工测试中使用了热加载工具和参考工具，并分析了它们的磨损性能。通过这种方法，热负荷本身对涂层和基材性能的影响可以被隔离。关键的发现是TiAlN涂层中的残余压应力降低了。此外，基体界面处的钴浓度也有所降低。在磨损调查中，与参考工具相比，这些预回火工具的平均使用寿命降低了24%。

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.