Carbon nanotubes and superplasticizer reinforcing cementitious composite for aerostatic porous bearing

Leandro J. da Silva, Tulio Hallak Panzera, Luciano M.G. Vieira, Jaime G. Duduch, Christopher R. Bowen, Juan C. Campos Rubio

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Cementitious composites are low cost and readily manufactured materials which can be used for specialist applications such as the production of aerostatic porous bearings. A design of experiment was used to identify the effects of superplasticizer additions and carbon nanotube inclusions on the physical and mechanical properties of cementitious composites which can be applied as porous restrictor in aerostatic thrust bearings. The presence of carbon nanotubes was able to increase the bulk density, the compressive strength and the modulus of elasticity, and also decrease the apparent porosity of the composites. The composite made with 0.4 wt.% of superplasticizer and 0.05 wt.% of carbon nanotubes achieved acceptable properties for the use as double-layered porous restrictor in aerostatic thrust bearings.

Original languageEnglish
Pages (from-to)1397-1407
Number of pages11
JournalProceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology
Volume231
Issue number11
Early online date7 Mar 2017
DOIs
Publication statusPublished - 1 Nov 2017

Keywords

  • carbon nanotubes
  • cementitious composite
  • Porous bearings
  • superplasticizer
  • thrust bearings

ASJC Scopus subject areas

  • Mechanical Engineering
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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