Probing the wear behavior of Inconel 718 fabricated by additive-subtractive hybrid manufacturing

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL

Wear Pub Date : 2026-04-01 Epub Date: 2026-02-05 DOI:10.1016/j.wear.2026.206575

Changyu Liu , Shuang Su , Zhiliang Ning , Yanming Zhang , Jianfei Sun , Qi Zhang , Daniel Şopu , Jürgen Eckert , Yongjiang Huang

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Abstract

This study investigates the wear behaviors of Inconel 718 (IN718) specimens fabricated by additive manufacturing (AM) and additive-subtractive hybrid manufacturing (ASHM), with a focus on room-temperature milling (RTM) and high-temperature milling (HTM) conditions. The milling process induced severe plastic deformation in the ASHM specimens, resulting in the formation of surface nanocrystalline layers ranging from 10 to 50 μm in thickness. At room temperature, the wear rates of the RTM and HTM specimens were 4.15 × 10⁻³ and 4.92 × 10⁻³ mm³ N⁻¹ m⁻¹, respectively, which were approximately reduced by 33% and 20% compared with the AM specimen. This enhancement is primarily attributed to the increased grain boundary density and the introduction of residual compressive stress. At 650 °C, the differences in wear resistance among the specimens diminished, as stable oxide films formed on all surfaces, effectively reducing adhesive wear and mitigating further mechanical degradation.

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增减复合制造英科乃尔718的磨损性能研究

研究了增材制造（AM）和增减混合制造（ASHM）制备的Inconel 718 （IN718）试样的磨损行为，重点研究了室温铣削（RTM）和高温铣削（HTM）条件下的磨损行为。铣削过程引起了ASHM试样的严重塑性变形，导致表面形成了厚度为10 ~ 50 μm的纳米晶层。室温下，RTM和HTM试样的磨损率分别为4.15 × 10−3和4.92 × 10−3 mm3 N−1 m−1，与AM试样相比分别降低了约33%和20%。这种增强主要是由于晶界密度的增加和残余压应力的引入。在650℃时，试样之间的耐磨性差异减小，因为所有表面都形成了稳定的氧化膜，有效地减少了粘着磨损并减轻了进一步的机械退化。

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.