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 language | English |
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Pages (from-to) | 1397-1407 |
Number of pages | 11 |
Journal | Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology |
Volume | 231 |
Issue number | 11 |
Early online date | 7 Mar 2017 |
DOIs | |
Publication status | Published - 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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Chris Bowen
- Department of Mechanical Engineering - Professor
- Materials and Structures Centre (MAST)
- Centre for Sustainable and Circular Technologies (CSCT)
- Centre for Nanoscience and Nanotechnology
- EPSRC Centre for Doctoral Training in Statistical Applied Mathematics (SAMBa)
- Institute for Mathematical Innovation (IMI)
- Centre for Biosensors, Bioelectronics and Biodevices (C3Bio)
- Centre for Autonomous Robotics (CENTAUR)
- Faculty of Engineering and Design - Associate Dean (Research)
Person: Research & Teaching