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Design and development of FZG setup ...

University of Arkansas.

Design and development of FZG setup for testing advanced lubricants in geared systems.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Design and development of FZG setup for testing advanced lubricants in geared systems./
Author:	Bailey, Thomas Jason.
Description:	93 p.
Notes:	Source: Masters Abstracts International, Volume: 50-02, page: 1247.
Contained By:	Masters Abstracts International50-02.
Subject:	Engineering, Mechanical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1501553
ISBN:	9781124901282

Design and development of FZG setup for testing advanced lubricants in geared systems.
Bailey, Thomas Jason.

Design and development of FZG setup for testing advanced lubricants in geared systems. - 93 p.

Source: Masters Abstracts International, Volume: 50-02, page: 1247.

Thesis (M.S.M.E.)--University of Arkansas, 2011.

Due to the high point loading of gear meshes extra protection is need to extend overall life and efficiency. Even with high viscosity oils, at higher loads gears still undergo boundary lubrication. In this condition the pressure between the two surfaces is so high that the oil cannot remain between the surfaces. This metal to metal contact increases the wear and friction. Solid particle additives can be used to reduce or even avoid the surface to surface contact by remaining deposited in the asperities of the surface and forming a sacrificial film. Molybdenum disulfide (MoS2) nanoparticles were added to a complete premium oil formulation to increase the oil's extreme pressure (EP) performance. Results from ball on disk testing suggest a 2% reduction in the coefficient of friction (COF) with the additive; however, wear scaring remained the same.

ISBN: 9781124901282Subjects--Topical Terms:

845387
Engineering, Mechanical.

Design and development of FZG setup for testing advanced lubricants in geared systems.
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020 $a 9781124901282
035 $a (UMI)AAI1501553
035 $a AAI1501553
040 $a UMI $c UMI
100 1 $a Bailey, Thomas Jason. $3 845662
245 1 0 $a Design and development of FZG setup for testing advanced lubricants in geared systems.
300 $a 93 p.
500 $a Source: Masters Abstracts International, Volume: 50-02, page: 1247.
500 $a Adviser: Matt Gordon.
502 $a Thesis (M.S.M.E.)--University of Arkansas, 2011.
520 $a Due to the high point loading of gear meshes extra protection is need to extend overall life and efficiency. Even with high viscosity oils, at higher loads gears still undergo boundary lubrication. In this condition the pressure between the two surfaces is so high that the oil cannot remain between the surfaces. This metal to metal contact increases the wear and friction. Solid particle additives can be used to reduce or even avoid the surface to surface contact by remaining deposited in the asperities of the surface and forming a sacrificial film. Molybdenum disulfide (MoS2) nanoparticles were added to a complete premium oil formulation to increase the oil's extreme pressure (EP) performance. Results from ball on disk testing suggest a 2% reduction in the coefficient of friction (COF) with the additive; however, wear scaring remained the same.
520 $a Bench top testing has limitations when relating results to gear meshes. The ball on disk test only accounts for the sliding friction in the gear pairs. During tooth meshing the surfaces in contact change angle while sliding occurs resulting in both a rolling and sliding friction mechanism during operation. Also, the gear tooth contact is a non-continuous process and the ball on disk test uses continuous contact, a difference that would change tribofilm formation. For real world performance results a full scale test rig was designed for future testing based on the FZG standardized test setup. This paper describes the design steps for the test bed; however, the test bed is currently in the final stages of assembly so the nano additive has not yet been tested under full scale conditions.
590 $a School code: 0011.
650 4 $a Engineering, Mechanical. $3 845387
690 $a 0548
710 2 $a University of Arkansas. $3 845554
773 0 $t Masters Abstracts International $g 50-02.
790 1 0 $a Gordon, Matt, $e advisor
790 $a 0011
791 $a M.S.M.E.
792 $a 2011
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1501553

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