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

1 Citation (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.

LanguageEnglish
Pages1397-1407
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
StatusPublished - 1 Nov 2017

Fingerprint

Bearings (structural)
aerostatics
Carbon Nanotubes
Carbon nanotubes
carbon nanotubes
thrust bearings
Thrust bearings
composite materials
Composite materials
experiment design
compressive strength
Design of experiments
Compressive strength
nanotubes
modulus of elasticity
Physical properties
Porosity
physical properties
Elastic moduli
mechanical properties

Keywords

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

ASJC Scopus subject areas

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

Cite this

Carbon nanotubes and superplasticizer reinforcing cementitious composite for aerostatic porous bearing. / da Silva, Leandro J.; Panzera, Tulio Hallak; Vieira, Luciano M.G.; Duduch, Jaime G.; Bowen, Christopher R.; Campos Rubio, Juan C.

In: Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology, Vol. 231, No. 11, 01.11.2017, p. 1397-1407.

Research output: Contribution to journalArticle

da Silva, Leandro J. ; Panzera, Tulio Hallak ; Vieira, Luciano M.G. ; Duduch, Jaime G. ; Bowen, Christopher R. ; Campos Rubio, Juan C. / Carbon nanotubes and superplasticizer reinforcing cementitious composite for aerostatic porous bearing. In: Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology. 2017 ; Vol. 231, No. 11. pp. 1397-1407.
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