Tribological properties of TiN-Si2N2O modified C/C-SiC composites by warm pressing-in-situ densification

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL

Tribology International Pub Date : 2025-07-25 DOI:10.1016/j.triboint.2025.111028

Zimu Hu, Running Wang, Zhaoxi Gou, Tengyang Zhang, Chiyu Liu, Ying Xia, Jie Fei, Lehua Qi

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Abstract

Carbon/carbon-silicon carbide composites (C/C-SiC) have gained widespread attention as a new type of braking materials, but the long preparation cycle and cost have limited the wide range of applications. In this work, a novel warm pressing-in-situ densification method was proposed to prepare TiN-Si₂N₂O modified C/C-SiC composites. This novel method reduced the preparation cycle time significantly. The results showed that CTNS-3 with 44.5 % TiN-Si₂N₂O content had the best flexural and compressive performance, with 145 % and 87 % improvement. CTNS-2 with 37.0 % TiN-Si₂N₂O content had the best tribology performance. Additionally, the wear rate of CTNS-2 achieved 0.433 μm/cycle, representing an impressive decrease of 48 %. This work balance rapid preparation with excellent performance, providing a promising strategy for the development of C/C-SiC braking materials.

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热压原位致密化TiN-Si2N2O改性C/C- sic复合材料摩擦学性能

碳/碳-碳化硅复合材料（C/C- sic）作为一种新型制动材料得到了广泛的关注，但制备周期长、成本高限制了其广泛的应用。本文提出了一种新的热压原位致密化方法来制备TiN-Si2N2O改性C/C- sic复合材料。该方法显著缩短了制备周期。结果表明，TiN-Si2N2O含量为44.5 %的CTNS-3具有最佳的抗折和抗压性能，分别提高145 %和87 %。TiN-Si2N2O含量为37.0 %的CTNS-2摩擦学性能最好。此外，CTNS-2的磨损率达到0.433 μm/循环，显著降低了48% %。这项工作平衡了快速制备与优异性能，为C/C- sic制动材料的发展提供了一个有前途的策略。

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

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.