Journal
WEAR
Volume 502, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.wear.2022.204378
Keywords
Multiphase flows; Erosion; Nanofluids; Nanoparticles
Funding
- Research Council of Norway [300286]
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This research found that nanofluids containing 1.33 wt% TiO2 have erosive effects on copper and plastic surfaces, while causing nanoparticle deposition on rubber surfaces.
The demand for efficient and sustainable energy is continuously increasing. Among the many technologies with great potential within this field are nanofluids. Nevertheless, there is still a considerable lack of information regarding their erosive effects on systems materials. In this research, the tribological behaviour of aqueous 1.33 wt% TiO2 nanofluid was investigated when jet-impinged with an average velocity of 0.8 m/s at flat targets of various materials (plastic, copper, rubber). The target surfaces were analysed using scanning electron microscopy (SEM), energy dispersive x-ray spectroscopy (EDX) and X-ray diffraction (XRD). It was found that impinging TiO2 nanofluid caused erosion of 282 g/(yr.mm(2)) for copper and 212 g/(yr.mm(2)) for plastic. In addition, a deposition of nanoparticles was found for rubber at rate of 2.7 kg/(yr.mm(2)).
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