Novel carbon nanotori additives for lubricants with superior anti-wear and extreme pressure properties

Laura Peña-Parás, Demófilo Maldonado-Cortés, Oxana V. Kharissova, Karla Itzel Saldívar, Luisana Contreras, Patsy Arquieta, Brenda Castaños

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In this work, new lubricants were prepared with carbon nanotori dispersed in distilled water (DW). Carbon nanotori are multi-walled carbon nanoparticles with a toroidal shape. The load-carrying capacity of nanolubricants under extreme pressures (EP) and their anti-wear (AW) properties were characterized. Carbon nanotori demonstrated significant improvements in load-carrying capacity, and excellent anti-wear and friction reducing properties. Load-carrying capacity increased by up to 950% with 2.0 wt%. Wear mass loss and coefficient of friction (COF) were reduced by 96% and 76%, respectively, at the same concentration. These improvements can be attributed to their hollow multi-walled toroidal shape and high elastic modulus that enabled them to withstand the loads of the tests, thus limiting metal-metal contact.

Original languageEnglish
Pages (from-to)488-495
Number of pages8
JournalTribology International
Volume131
DOIs
Publication statusPublished - 1 Mar 2019

Fingerprint

lubricants
load carrying capacity
Lubricants
Load limits
Carbon
Wear of materials
carbon
Metals
Friction
metals
coefficient of friction
electric contacts
hollow
Loads (forces)
modulus of elasticity
friction
Elastic moduli
Nanoparticles
nanoparticles
Water

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

Cite this

Peña-Parás, Laura ; Maldonado-Cortés, Demófilo ; Kharissova, Oxana V. ; Saldívar, Karla Itzel ; Contreras, Luisana ; Arquieta, Patsy ; Castaños, Brenda. / Novel carbon nanotori additives for lubricants with superior anti-wear and extreme pressure properties. In: Tribology International. 2019 ; Vol. 131. pp. 488-495.
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Novel carbon nanotori additives for lubricants with superior anti-wear and extreme pressure properties. / Peña-Parás, Laura; Maldonado-Cortés, Demófilo; Kharissova, Oxana V.; Saldívar, Karla Itzel; Contreras, Luisana; Arquieta, Patsy; Castaños, Brenda.

In: Tribology International, Vol. 131, 01.03.2019, p. 488-495.

Research output: Contribution to journalArticle

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