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Nanolubricants
By: Jean Michel Martin , Nobuo OhmaeeBook Publisher: John Wiley & Sons
Imprint: Wiley
Format: Adobe Encrypted (DRM)
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The technology involved in lubrication by nanoparticles is a rapidly developing scientific area and one that has been watched with interest for the past ten years. Nanolubrication offers a solution to many problems associated with traditional lubricants that contain sulphur and phosphorus; and though for some time the production of nanoparticles was restricted by the technologies available, today synthesis methods have been improved to such a level that it is possible to produce large quantities relatively cheaply and efficiently.
Nanolubricants develops a new concept of lubrication, based on these nanoparticles, and along with the authors’ own research it synthesises the information available on the topic of nanolubrication from existing literature and presents it in a concise form. Describes the many advantages and potential applications of nanotechnology in the tribological field. Offers a full review of the state-of-the-art as well as much original research that is yet unpublished. Includes sections on boundary lubrication by colloïdal systems, nanolubricants made of metal dichalcogenides, carbon-based nanolubricants, overbased detergent salts, nanolubricants made of metals and boron-based solid nanolubricants and lubrication additives. Authored by highly regarded experts in the field with contributions from leading international academics.
Nanolubricants will appeal to postgraduate students, academics and researchers in mechanical engineering, chemical engineering and materials science. It should also be of interest to practising engineers with petroleum companies and mechanical manufacturers.
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| Title of Technology eBook: Nanolubricants | |
| Release Date: 07-14-2008 | |
| Publisher: Wiley |
This eBook download is available in the following formats:
| Parent title | Nanolubricants |
|---|---|
| Encrypted (DRM) | Yes |
| SKU | 9780470987704 |
| File size | 18775 |
| Security | n/a |
| Printing | Not allowed |
| Copying | Not allowed |
| Read aloud | No Sys requirements Download reader |
| Devices | Samsung Tablet, Apple Ipad & Iphone, Barnes & Noble Nook, Kobo eReader, Aluratek Libre, Iliad, Nokia, Blackberry, Hanlin |
| Note | Excellent navigation features are available via Adobe such as bookmarks and a quick access table of contents. Text search is easily accessible. An Adobe DRM-protected file is different than a pdf file in that it uses Adobe DRM (Digital Rights Management) technology, which authors and publishers use to protect their content from illegal online distribution and to set certain privileges such as restrictions on copying and printing. |
Nanolubricants
Chapter One
Colloidal Lubrication: General PrinciplesJean Michel Martin and Nobuo Ohmae
Nanoparticles can be considered as potential lubricant additives. They present several major advantages compared to organic molecules currently used as lubricant additives, for example:
Their nanometre size allows them to enter the contact area easily.
They are often efficient at ambient temperature. Thus, no induction period is necessary to obtain interesting tribological properties.
Several types of nanoparticles can be envisaged as lubricant additives. The chapters of this book describe different possible nanolubricants: nested nanoparticles (fullerenes, onions and nanotubes) made on metal dichalcogenides or carbon, reverse overbased micelles, metallic nanoparticles and boron-based nanolubricants. In some cases, the authors chose to study these particles because their structure is close to well-known lamellar structures in tribology (for example inorganic fullerenes of Mo[S.sub.2]). However, dispersion of nanoparticles in oil is not always simple. Thus, in a first part, some rules will be shown about the dispersion of solid nanoparticles in a liquid.
Another way to use nanoparticles in tribology is by embedding them inside a coating. Nanoparticles can improve the tribological of the coating itself, but nanoparticles can also be released by the coating during wear and can thus lubricate in the same way as if they were in the oil.
1.1 Stability of Colloids Dispersed in a Base Oil
A colloidal sol is generally a substance (liquid or gel) containing dispersed solid particles. To obtai
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