Preparation, modification and characterization of plasma sprayed graphite/SiO2 powder and related coating

Li, Wenzhi; Gao, Lihong; Liu, Yanbo; Ma, Zhuang; Wang, Fuchi; Li, Hezhang

doi:10.1016/j.ceramint.2018.10.138

Cited by 11 publications

(3 citation statements)

References 20 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The more peeling there is, the more orderly the additives are under friction, so better lubrication can be achieved . When the DBDP thermal explosion effect and pulsed electron bombardment effect are coupled, plasma-assisted ball milling can greatly shorten the powder nanometer preparation process . Additionally, some polymers are more prone to bond breakage and polymerization under DBDP.…”

Section: Introductionmentioning

confidence: 99%

“… 18 When the DBDP thermal explosion effect and pulsed electron bombardment effect are coupled, plasma-assisted ball milling can greatly shorten the powder nanometer preparation process. 19 Additionally, some polymers are more prone to bond breakage and polymerization under DBDP. Plasma-assisted ball milling also enables in situ surface modification of nanopowders by introducing active groups and coated polymers to the surface.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Preparation and Tribological Properties of a Multilayer Graphene-Reinforced TiO₂ Composite Nanolubricant Additive

et al. 2022

View full text Add to dashboard Cite

The unique structure and physical properties of graphene and anatase TiO2 make them suitable for use as additives for engine lubricants. This study describes the use of dielectric barrier discharge plasma-assisted ball milling to synthesize a multilayer graphene-reinforced TiO2 composite nanolubricant additive (MGTC). A variety of physical and chemical tests were performed to characterize the resulting experimental materials, including X-ray diffraction (XRD), Fourier transform infrared (FT-IR), Raman, X-ray photoelectron spectroscopy (XPS), and scanning electron microscopy (SEM). Four-ball friction and wear testing machines were used to study the tribological properties and extreme pressure anti-wear properties of a base oil containing 0.1, 0.5, 1.0, and 1.5 wt % of the modified TiO2. Raman spectroscopy, XPS, SEM, and energy-dispersive spectrometry (EDS) analyses were used to examine and analyze the microstructure of the friction pairs. As a result of the plasma-assisted ball milling process, expanded graphite was successfully separated into multilayer graphene nanosheets, and spherical TiO2 was successfully bonded to the nanosheets of the multilayer graphene. The 1.0 wt % composite oil was found to provide good friction reduction and wear resistance. It had a film thickness of 27.5 nm, which was 167% thicker than base oil. Due to its excellent dispersion stability, the MGTC nanocomposite exhibited excellent lubrication performance, which was attributed to the formation of carbon protective films, titanium dioxide deposition films, transfer films, and the occurrence of nano ball effects on the surface of friction pairs.

show abstract

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Preparation and Tribological Properties of a Multilayer Graphene-Reinforced TiO₂ Composite Nanolubricant Additive

et al. 2022

View full text Add to dashboard Cite

show abstract

“…According to the principle of coating modification, coating one or more layers of organic or inorganic materials on the periphery of raw materials can improve the performance of raw materials, prolong the service life, and even prepare new materials [1] . The research mainly focused on the surface coating treatment of powders, such as polymer fillers [2,3] and electrode materials of lithium-ion batteries [4,5] . Phosphogypsum (abbreviated as PG), as a by-product of wet process phosphoric acid industry, is mainly composed of calcium sulfate dihydrate (CaSO 4 •2H 2 O).…”

Section: Introductionmentioning

confidence: 99%

Application and Properties of Organic Emulsion Coated Phosphogypsum in Aluminous Rock Based Mineral Polymer Composite

Cheng

Zhang

Xie

et al. 2021

J. Wuhan Univ. Technol.-Mat. Sci. Edit.

View full text Add to dashboard Cite

A polarizing microscope, X-ray diffraction (XRD), fourier transform infrared spectrometer (FTIR), scanning electron microscope and energy dispersive spectrometer (SEM-EDS), X-ray photoelectron spectroscopy (XPS), and micro computed tomography (Micro CT) were used to investigate the relation between the structure and properties of the composite. Meanwhile, the physical properties, mechanical properties and strength mechanism were researched. The experimental results show that the structure and morphology of coated phosphogypsum remain intact in the composite, which shows good compatibility and forms a clear interface layer of transition zone between the coated phosphogypsum and the matrix, conforming to the structure of particle reinforced inorganic composites. The emulsion coated phosphogypsum has a certain strengthening effect on the aluminous rock mineral polymer composite. The compressive strength of the composite can reach 16.5 MPa when the amount of coated phosphogypsum is 40%, and the apparent density is 1.75 g•cm -3 , which is significantly lower than that of common concrete; the thermal stability of the composite is also improved to a certain extent. Some certain chemical reactions occur in the process of forming the matrix of aluminous rock mineral polymer materials, with a structure of three-dimensional network. The research will provide a new way for the comprehensive utilization of phosphogypsum and low-grade aluminous rock.

show abstract

Nano‐powder Coatings

Tatar,

Jha,

Rai

et al. 2024

Functional Coatings

View full text Add to dashboard Cite

Preparation, modification and characterization of plasma sprayed graphite/SiO2 powder and related coating

Cited by 11 publications

References 20 publications

Preparation and Tribological Properties of a Multilayer Graphene-Reinforced TiO₂ Composite Nanolubricant Additive

Preparation and Tribological Properties of a Multilayer Graphene-Reinforced TiO₂ Composite Nanolubricant Additive

Application and Properties of Organic Emulsion Coated Phosphogypsum in Aluminous Rock Based Mineral Polymer Composite

Nano‐powder Coatings

Contact Info

Product

Resources

About

Preparation, modification and characterization of plasma sprayed graphite/SiO2 powder and related coating

Cited by 11 publications

References 20 publications

Preparation and Tribological Properties of a Multilayer Graphene-Reinforced TiO2 Composite Nanolubricant Additive

Preparation and Tribological Properties of a Multilayer Graphene-Reinforced TiO2 Composite Nanolubricant Additive

Application and Properties of Organic Emulsion Coated Phosphogypsum in Aluminous Rock Based Mineral Polymer Composite

Nano‐powder Coatings

Contact Info

Product

Resources

About

Preparation and Tribological Properties of a Multilayer Graphene-Reinforced TiO₂ Composite Nanolubricant Additive

Preparation and Tribological Properties of a Multilayer Graphene-Reinforced TiO₂ Composite Nanolubricant Additive