Tribological behavior of composites fabricated by reactive SPS sintering in Ti‐Si‐C system

Hadji, Youcef; Benamor, Abdessabour; Chiker, Nabil; Haddad, Adel; Tala‐Ighil, Nacer; Erauw, Jean‐Pierre; Dupont, Vedi; Tricoteaux, Arnaud; Nivot, Christelle; Thuault, Anthony; Hadji, Mohamed

doi:10.1111/ijac.13443

Cited by 4 publications

(1 citation statement)

References 48 publications

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“…Except for the abnormal increase at 400 rpm/min, the mass loss of glass ball increases gradually with the increase in speed. Diferent sintering temperatures lead to changes in the composition of the binder, and Hadji [36] reports in detail the frictional behavior of four components (two based-composites) in the Ti-Si-C system under the load of 7 N and 10 N to analyze the infuence of the components on the frictional behavior. Advances in Materials Science and Engineering (Figure 4(c)).…”

Section: Friction Properties Of Timentioning

confidence: 99%

Preparation of Ti3Si0.8Al0.2C2 Bonded Diamond Composites and Their Friction Properties Coupled with Different Counterfaces

Yuqi

et al. 2023

Advances in Materials Science and Engineering

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Polycrystalline diamonds were sintered with the binder of Ti3Si0.8Al0.2C2 to solve the shortcomings of conventional metal binders and ceramic binders. Ti3Si0.8Al0.2C2 bonded polycrystalline diamond composites have been synthesized from a mixture of Ti3Si0.8Al0.2C2 powder (40 wt%) and diamond powder under 4.5–5.5 GPa at 1050–1300°C by high press and high-temperature technology. The characteristic peaks of TiC were observed at 4.5 GPa and above 1100°C. From the microstructure analysis, the diamond particles are equally dispersed throughout the Ti3Si0.8Al0.2C2 matrix and firmly bound to the matrix. The effects of the sintering conditions, test parameters, and counterparts on the friction properties of diamond composites were systematically analyzed. The friction coefficient between diamond composite and glass counterpart is between 0.18 and 0.33 and increases significantly at the speed of 400 rpm/min. SEM and EDS analysis show Ti3Si0.8Al0.2C2 has a strong holding force on the diamond particles. The wear mechanism is mainly abrasive, and there are obvious grooves on the surface of the glass ball. The friction coefficient of diamond composite sintered at 1050°C with POM decreases monotonically with increasing load and reaches the minimum value of 0.42 at 12 N. The higher sintering temperature (1150°C) resulted in lower friction coefficient for diamond/POM pairs. The friction coefficient of diamond/PP pairs decreases first and then increases with increasing load, reaching a minimum value of 0.431 at 10 N. The wear mechanism of PP and POM is a combination of abrasive wear and adhesive wear, while the abrasive chips of POM are small salt-like particles and the abrasive chips of PP are long flocs. The wear track of PP balls has a smoother surface than that of POM balls. For an Al pair, the friction coefficient of diamond composite sintered at 1150°C is higher than that of the composite sintered at 1050°C except for the 10 N load. The friction coefficient of the diamond composites with Cu pairs varies slightly with increasing load, with values ranging from 0.443 to 0.518 and decreases with increasing speed, reaching a minimum value of 0.396 at 600 rpm/min. The wear mechanism of Cu and Al is mainly based on adhesive wear. The presence of the diamond second phase improves the stability of Ti3Si0.8Al0.2C2 compared to the high-pressure treatment of single phase Ti3SiC2. The analysis of friction properties indicates that Ti3Si0.8Al0.2C2 bonded diamond composites are promising candidates for superhard tool materials.

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Section: Friction Properties Of Timentioning

confidence: 99%

Preparation of Ti3Si0.8Al0.2C2 Bonded Diamond Composites and Their Friction Properties Coupled with Different Counterfaces

Yuqi

et al. 2023

Advances in Materials Science and Engineering

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Mapping the structure and chemical composition of MAX phase ceramics for their high‐temperature tribological behaviors

Yu,

Xue,

Xue

et al. 2024

Carbon Energy

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MAX phase ceramics is a large family of nanolaminate carbides and nitrides, which integrates the advantages of both metals and ceramics, in general, the distinct chemical inertness of ceramics and excellent physical properties like metals. Meanwhile, the rich chemical and structural diversity of the MAXs endows them with broad space for property regulation. Especially, a much higher self‐lubricity, as well as wear resistance, than that of traditional alloys and ceramics, has been observed in MAXs at elevated temperatures in recent decades, which manifests a great application potential and sparks tremendous research interest. Aiming at establishing a correlation among structure, chemical composition, working conditions, and the tribological behaviors of MAXs, this work overviews the recent progress in their high‐temperature (HT) tribological properties, accompanied by advances in synthesis and structure analysis. HT tribological‐specific behaviors, including the stress responses and damage mechanism, oxidation mechanism, and wear mechanism, are discussed. Whereafter, the tribological behaviors along with factors related to the tribological working conditions are discussed. Accordingly, outlooks of MAX phase ceramics for future HT solid lubricants are given based on the optimization of present mechanical properties and processing technologies.

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Oxidation behavior of Al-doped Ti3SiC2-20 wt.%Ti5Si3 composite

Guedouar

Hadji

Benamor

et al. 2021

Ceramics International

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Tribological behavior of composites fabricated by reactive SPS sintering in Ti‐Si‐C system

Cited by 4 publications

References 48 publications

Preparation of Ti3Si0.8Al0.2C2 Bonded Diamond Composites and Their Friction Properties Coupled with Different Counterfaces

Preparation of Ti3Si0.8Al0.2C2 Bonded Diamond Composites and Their Friction Properties Coupled with Different Counterfaces

Mapping the structure and chemical composition of MAX phase ceramics for their high‐temperature tribological behaviors

Oxidation behavior of Al-doped Ti3SiC2-20 wt.%Ti5Si3 composite

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