Failure analysis of 3D printed FZG spur gears made of AISI316L austenitic steel

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL

Wear Pub Date : 2025-08-29 DOI:10.1016/j.wear.2025.206313

D. Batory , G. Mitukiewicz , M. Olma , W. Stachurski , J. Świniarski , M. Stembalski , D. Marciniak , G. Ziółkowski , T. Kurzynowski

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引用次数: 0

Abstract

This study explores the tribological behaviour 3D-printed spur gears made of AISI316L steel. The gears were tested on an FZG test bench under lubricated conditions and varied load. The effect of applied torque on scorring and resistance to pitting was investigated. After each test the mass loss of the gear was measured and the working surface of the gear teeth was examined using macrophotography and stylus profilometer. After completing the tests the working surface and the subsurface region on the cross-section of the teeth were analysed with use of the scanning electron microscopy (SEM). Numerical model of the analysed gear was prepared and used for validation of the obtained laboratory data. The results indicate that the investigated material displays different tribological behaviour compared to conventional AISI316L. The gears have shown promising performance for torques lower than 60 Nm. However, tests with a torque of 135 Nm indicated failure of the gear material, revealing pitting and scorring as well as a network of subsurface cracks propagating in the surface direction. This study highlights the need for further research on the performance of 3D-printed components under demanding conditions, aiming to bridge the gap between additive manufacturing and conventional materials in industrial applications.

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AISI316L奥氏体钢3D打印直直齿轮失效分析

研究了AISI316L钢3d打印直齿齿轮的摩擦学性能。在FZG试验台上对齿轮进行了润滑和变载荷试验。研究了外加扭矩对刻痕和抗点蚀性能的影响。每次试验结束后，用微距摄影和触笔轮廓仪测量齿轮的质量损失和齿轮齿的工作表面。试验完成后，利用扫描电子显微镜（SEM）对齿横截面上的工作面和亚表面区域进行了分析。对所分析的齿轮建立了数值模型，并对得到的实验室数据进行了验证。结果表明，与传统的AISI316L相比，所研究的材料表现出不同的摩擦学行为。这些齿轮在扭矩低于60纳米时表现出了良好的性能。然而，135 Nm扭矩的测试表明齿轮材料失效，显示出点蚀和刻痕以及沿表面方向扩展的地下裂纹网络。这项研究强调了对3d打印部件在苛刻条件下的性能进行进一步研究的必要性，旨在弥合增材制造与工业应用中传统材料之间的差距。

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.