Dry Sliding Wear Behaviour of Basalt Short Fiber Reinforced Aluminium Metal Matrix Composites

Vannan, S. Ezhil; Vizhian, S. Paul

doi:10.4028/www.scientific.net/amm.592-594.1285

Cited by 3 publications

(1 citation statement)

References 10 publications

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“…Therefore, the variations of frictional coefficient with the number of cycles mainly included four stages. [ 40, 41 ] The first stage was a running‐in stage, and the frictional coefficient was small. The second stage was the rising stage of frictional coefficient in which the friction force increased rapidly with the increase of actual contact area.…”

Section: Resultsmentioning

confidence: 99%

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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Section: Resultsmentioning

confidence: 99%

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

Tian

Xian

2021

Polymer Composites

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Investigation on mechanical properties and failure mechanisms of basalt fiber reinforced aluminum matrix composites under different loading conditions

Yang

Liu

Feng

et al. 2017

Journal of Composite Materials

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Basalt fiber reinforced aluminum matrix composites with different fiber contents (i.e. 0 wt%, 10 wt%, 30 wt% and 50 wt%) were prepared by hot-press sintering. Microstructure analysis indicates that basalt fibers are uniformly distributed in 10% basalt fiber reinforced aluminum matrix composite. The interfacial bonding between basalt fibers and aluminum matrix is good, and there is no interface reaction between basalt fiber and aluminum matrix. Quasi-static tensile, quasi-static compression and dynamic compression properties of basalt fiber reinforced aluminum composites were studied, and the influences of basalt fiber content on mechanical properties were discussed. Meanwhile, the failure mechanisms of basalt fiber reinforced aluminum matrix composites with different fiber content were analyzed.

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Effect of Basalt Fiber Content on Mechanical and Tribological Properties of Copper-Matrix Composites

Chai

Zhu

et al. 2022

Metals

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The basalt-fiber-reinforced copper-matrix composites were fabricated using spark plasma sintering. The effect of basalt fiber content on the mechanical and tribological properties of copper-matrix composites was investigated. The results show that the relative density decreased, the hardness increased and the tensile strength first increased and then decreased with the increase in fiber content. The optimal tensile strength of 276 MPa was obtained when the content of basalt fiber was 1.5 wt.%. The friction coefficient of the composites decreased, and the wear volume first decreased and then increased with the increase in the fiber content. The addition of basalt fibers reduced the plastic deformation of the copper matrix during the friction test due to its strengthening effect. Moreover, the detached basalt fibers from the Cu matrix were ground into fine particles and were helpful for forming a mechanical mixing layer, which can decrease the friction coefficient of composites.

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Dry Sliding Wear Behaviour of Basalt Short Fiber Reinforced Aluminium Metal Matrix Composites

Cited by 3 publications

References 10 publications

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

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

Investigation on mechanical properties and failure mechanisms of basalt fiber reinforced aluminum matrix composites under different loading conditions

Effect of Basalt Fiber Content on Mechanical and Tribological Properties of Copper-Matrix Composites

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Dry Sliding Wear Behaviour of Basalt Short Fiber Reinforced Aluminium Metal Matrix Composites

Cited by 3 publications

References 10 publications

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

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

Investigation on mechanical properties and failure mechanisms of basalt fiber reinforced aluminum matrix composites under different loading conditions

Effect of Basalt Fiber Content on Mechanical and Tribological Properties of Copper-Matrix Composites

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Product

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

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