Strategies for improving friction behavior based on carbon nanotube additive materials

Gu, Yunqing; Ma, Longbiao; Yan, Muhan; He, Chengdong; Mou, Jiegang; Wu, Denghao; Ren, Yun

doi:10.1016/j.triboint.2022.107875

Cited by 38 publications

(10 citation statements)

References 116 publications

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“…75 (1) Carbon nanotubes. Carbon nanotubes, which have a hollow cylindrical structure with a high area ratio, 76 have a wide range of potential applications in the fields of sensors, 77,78 energy storage, 79 and biomedicine 80 due to their excellent electrical conductivity and mechanical properties. Numerous researchers have introduced carbon nanotubes into hydrogel networks as a method to enhance the properties of hydrogels.…”

Section: Electronically Conductive Hydrogelsmentioning

confidence: 99%

The latest research progress of conductive hydrogels in the field of electrophysiological signal acquisition

Ding,

Gu,

Ren

et al. 2024

J. Mater. Chem. C

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Section: Electronically Conductive Hydrogelsmentioning

confidence: 99%

The latest research progress of conductive hydrogels in the field of electrophysiological signal acquisition

Ding,

Gu,

Ren

et al. 2024

J. Mater. Chem. C

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“…They can be classified into three types by the number of layers, which were named as single-walled carbon nanotubes (SWCNTs), double-walled carbon nanotubes (DWCNTs), and multi-walled carbon nanotubes (MWCNTs) [ 103 ]. Additionally, according to the rolling orientation of CNTs, SWCNTs can be further categorized by chirality, namely zig-zag, chiral, and armchair form [ 104 ]. Considering their outstanding behavior in tensile strength, electrical conductivity and thermal conductivity resulted from the 1D structure and covalent bonding, devices containing CNTs are supposed to have favorable stretchability, durability and reaction speed [ 105 , 106 ].…”

Section: Materials Synthesis and Fabricationmentioning

confidence: 99%

Flexible and Stretchable Carbon-Based Sensors and Actuators for Soft Robots

Zhou

Cao

2023

Nanomaterials

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In recent years, the emergence of low-dimensional carbon-based materials, such as carbon dots, carbon nanotubes, and graphene, together with the advances in materials science, have greatly enriched the variety of flexible and stretchable electronic devices. Compared with conventional rigid devices, these soft robotic sensors and actuators exhibit remarkable advantages in terms of their biocompatibility, portability, power efficiency, and wearability, thus creating myriad possibilities of novel wearable and implantable tactile sensors, as well as micro-/nano-soft actuation systems. Interestingly, not only are carbon-based materials ideal constituents for photodetectors, gas, thermal, triboelectric sensors due to their geometry and extraordinary sensitivity to various external stimuli, but they also provide significantly more precise manipulation of the actuators than conventional centimeter-scale pneumatic and hydraulic robotic actuators, at a molecular level. In this review, we summarize recent progress on state-of-the-art flexible and stretchable carbon-based sensors and actuators that have creatively added to the development of biomedicine, nanoscience, materials science, as well as soft robotics. In the end, we propose the future potential of carbon-based materials for biomedical and soft robotic applications.

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“…In addition, the copper plating on the graphite surface improves the interfacial wettability and enhances the interfacial bond strength. During the mutual friction between the composite surface and the counter-abrasive parts, the copper-plated layer can play a role of protecting the graphite, so that the graphite on the contact surface is not extruded, but it can form a continuous and constantly replenished lubrication mechanism, which can effectively enhance the friction coefficient of the composite [26] .As indicated in Table 1, average friction coefficient of the copper-coated C/Cu composites prepared in this work and other literature [27][28][29][30][31] . Cf/Cu/C composites 0.26 [27] Cu-graphite-Cr3C2 Composites(Air) 0.4644 [28] Ti2SnC-copper/graphite 0.15 [3] foam copper-copper/graphite(60%graphite) 0.162 [29] Ag-Cu-Ni-graphite(1wt%graphite) 0.183 [30] Cu-Ni-graphite(1wt%graphite) The three-dimensional profile analysis of the wear scar morphology of copper-plated C/Cu composites with different graphite contents is shown in Figure 14.…”

Section: Friction and Wear Analysismentioning

confidence: 99%

Study on the microstructure and properties of copper/graphite composites with two-step method and copper-modified graphite

Ding,

Gao,

Han

et al. 2023

J. Phys.: Conf. Ser.

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In this experiment, copper was coated on the surface of graphite by chemical process. Besides, the microstructure and crystal structure of copper-coated graphite were characterized by SEM and XRD. Copper-plated C/Cu composite was prepared by SPS sintering technique of powder mixture by two-step method. In order to test the dispersion state of graphite in the composites and the phenomenon of interfacial dispersion, the effect of graphite content on the properties of copper-coated C/Cu composites was also an important point. Therefore, the microscopic characterization and performance test were carried out. The results show that magnetic stirring and high-energy ball milling ensure the uniformity of copper-coated graphite in copper matrix, and conducted structural grain refining. The grain size of copper, and the properties of composite materials decreased with the increase of graphite content, such as relative density, conductivity and hardness. However, the further increase of graphite content leads to excessive grain size, the relatively long time of ball milling makes the fine grain become larger after sintering. When the graphite content is 1.0wt.%, the relative density, conductivity and hardness are 99.91%, 92.1%IACS and 67.7 HV, respectively. It is proved that copper-coated graphite and two-step powder mixing play an important role on improving the properties of the composites.

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Strategies for improving friction behavior based on carbon nanotube additive materials

Cited by 38 publications

References 116 publications

The latest research progress of conductive hydrogels in the field of electrophysiological signal acquisition

The latest research progress of conductive hydrogels in the field of electrophysiological signal acquisition

Flexible and Stretchable Carbon-Based Sensors and Actuators for Soft Robots

Study on the microstructure and properties of copper/graphite composites with two-step method and copper-modified graphite

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