Thermal stability of frictional surface layer and wear debris of epoxy nanocomposites in relation to the mechanism of tribological performance improvement

Lu, Jinghui; Zhang, Ming Qiu; Rong, Min Zhi; Yu, Shu Li; Wetzel, Bernd; Friedrich, K.

doi:10.1023/b:jmsc.0000030747.40397.bc

Cited by 12 publications

(2 citation statements)

References 9 publications

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“…Although there has been much work on the tribology of nanocomposites in general, very few studies on the characterization of wear debris of nanocomposites have been carried out [14]. Almost all the studies on the wear debris of polyethylene (PE) related materials produced during sliding process were limited to the analysis for pure PE [15][16][17][18][19][20][21][22].…”

Section: Introductionmentioning

confidence: 99%

Effect of reinforcement on wear debris of carbon nanofiber/high density polyethylene composites: Morphological study and quantitative analysis

Tian

Wood

et al. 2012

Wear

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Section: Introductionmentioning

confidence: 99%

Effect of reinforcement on wear debris of carbon nanofiber/high density polyethylene composites: Morphological study and quantitative analysis

Tian

Wood

et al. 2012

Wear

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“…Como se puede observar en las imágenes de estas superficies de criofractura, obtenidas por microscopía electrónica de barrido (SEM) a 150 aumentos tras sumergir láminas de ambas muestras en N 2 líquido, no se aprecian diferencias en el modo de fractura de las muestras [116,166]. Bajo mayor número de aumentos, en las micrografías de la figura 4.5 correspondientes a la superficie de criofractura de la resina pura se aprecia la morfología típica de la fractura frágil.…”

Section: Microscopía Electrónica De Barrido Criofracturaunclassified

Ionic liquids as lubricants of metal -polymer contacts. Preparation and properties of the first dispersions of ionic liquids and nanoparticles in polymers

Molina¹

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Reciprocating friction and wear performances of nanometer sized‐TiO₂ filled epoxy composites

Tian

Xian

2021

Polymer Composites

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Nanometer-sized particles, for example, TiO 2 , have gradually gained the attention to improve the mechanical and tribological properties of epoxy composite coatings. In the present paper, TiO 2 with the size of 300 nm was applied to improve the reciprocating friction and wear performances of an epoxy composite. The effects of TiO 2 content and sample preparation methods on the mechanical and tribological performances were investigated experimentally. It was found that the optimal mixture ratio of TiO 2 was 4 wt%, and the tensile strength of composite increased by up to 30% compared with the control sample. The TiO 2 nanoparticles were treated with polyvinylpyrrolidone (PVP) and then mixed into epoxy resin with three-roll mill grinding technique. The PVP molecules could surround a single TiO 2 to form super-monomer, which produced repulsive force to aim to disperse nanoparticles, and the three-roll mill grinding could utilize the compression of axis surfaces and friction at different speeds to reduce the size of agglomerations of more than 5 microns. The results showed that the PVP molecules treatment could improve tensile strength and modulus, and three-roll mill grinding technique could enhance the elongation at break. In addition, the reciprocating wear rate and frictional coefficient of the epoxy composite plates also were reduced remarkably owing to the pretreatment of TiO 2 particles, for example, and the frictional coefficient of epoxy composite decreased from 0.09 to 0.04 for the optimal ratio of TiO 2 , and special wear rate also decreased by 87.5% compared with the control sample. This was because the TiO 2 nanoparticles acted as the stress transfer medium and could undertake part of loading to relieve stress directly into the epoxy matrix. There was a thin transfer film in which the particles acted as a membrane skeleton to avoid matrix further being torn. Because of the hardness and nanoeffect of particles, TiO 2 could fill the defects in the wear interface to form a protective film and improve surface fatigue resistance property. The more uniform dispersion of TiO 2 particles brought about the obvious improvement of wear resistance of composites.

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Thermal stability of frictional surface layer and wear debris of epoxy nanocomposites in relation to the mechanism of tribological performance improvement

Cited by 12 publications

References 9 publications

Effect of reinforcement on wear debris of carbon nanofiber/high density polyethylene composites: Morphological study and quantitative analysis

Effect of reinforcement on wear debris of carbon nanofiber/high density polyethylene composites: Morphological study and quantitative analysis

Ionic liquids as lubricants of metal -polymer contacts. Preparation and properties of the first dispersions of ionic liquids and nanoparticles in polymers

Reciprocating friction and wear performances of nanometer sized‐TiO₂ filled epoxy composites

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Thermal stability of frictional surface layer and wear debris of epoxy nanocomposites in relation to the mechanism of tribological performance improvement

Cited by 12 publications

References 9 publications

Effect of reinforcement on wear debris of carbon nanofiber/high density polyethylene composites: Morphological study and quantitative analysis

Effect of reinforcement on wear debris of carbon nanofiber/high density polyethylene composites: Morphological study and quantitative analysis

Ionic liquids as lubricants of metal -polymer contacts. Preparation and properties of the first dispersions of ionic liquids and nanoparticles in polymers

Reciprocating friction and wear performances of nanometer sized‐TiO2 filled epoxy composites

Contact Info

Product

Resources

About

Reciprocating friction and wear performances of nanometer sized‐TiO₂ filled epoxy composites