可靠、高性能的掺银 MoSi2 薄膜，具有更强的机械和摩擦学特性

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL

Tribology International Pub Date : 2024-11-12 DOI:10.1016/j.triboint.2024.110386

Ping Ren , Daliang Yu , Ganggang Wang , Jie Guo , Shangzhou Zhang , Hideo Kimura , Xin Zhou , Xiaofei Ma , Huanyu Li , Mao Wen

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引用次数: 0

摘要

利用磁控溅射技术制备了钼银硅固溶体薄膜，以提高硬度和韧性，同时减少摩擦和磨损。与纯 MoSi2 薄膜相比，Mo-Ag-Si 固溶体薄膜的硬度提高了 25.69%，H/E 比提高了 5.17%，H³/E² 比提高了 33.33%。摩擦学测试表明，银原子形成了自润滑的 AgMoxOy 相，使摩擦系数降低到 0.09，565 米的磨损率降低到 3.89 × 10-⁷ mm³ /N-m。这些发现为开发性能可靠的 MoSi2 薄膜提供了另一种方法。

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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Reliable and high-performance Ag-doped MoSi2 film with enhanced mechanical and tribological properties

The Mo-Ag-Si solid solution film was prepared using magnetron sputtering to enhance hardness and toughness while reducing friction and wear. Compared with the pure MoSi₂ film, the Mo-Ag-Si solid solution film exhibited a 25.69 % increase in hardness, a 5.17 % increase in the H/E ratio, and a 33.33 % boost in the H³/E² ratio. Tribological tests revealed that Ag atoms formed a self-lubricating AgMo_xO_y phase, reducing the friction coefficient to 0.09 and the wear rate to 3.89 × 10⁻⁷ mm³ /N·m over 565 m. First-principle calculations indicate that the Mo-Ag-Si solid solution film exhibited better mechanical and tribological properties than the pure MoSi₂ film. These findings provide another approach for developing reliable MoSi₂ films with high performance.

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来源期刊

Tribology International 工程技术-工程：机械

CiteScore

10.10

自引率

16.10%

发文量

627

审稿时长

35 days

期刊介绍： Tribology is the science of rubbing surfaces and contributes to every facet of our everyday life, from live cell friction to engine lubrication and seismology. As such tribology is truly multidisciplinary and this extraordinary breadth of scientific interest is reflected in the scope of Tribology International. Tribology International seeks to publish original research papers of the highest scientific quality to provide an archival resource for scientists from all backgrounds. Written contributions are invited reporting experimental and modelling studies both in established areas of tribology and emerging fields. Scientific topics include the physics or chemistry of tribo-surfaces, bio-tribology, surface engineering and materials, contact mechanics, nano-tribology, lubricants and hydrodynamic lubrication.