ASTM-D5001 › Historical Revision Information
Standard Test Method for Measurement of Lubricity of Aviation Turbine Fuels by the Ball-on-Cylinder Lubricity Evaluator (BOCLE)
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Scope
1.1 This test method covers assessment of the wear aspects of the boundary lubrication properties of aviation turbine fuels on rubbing steel surfaces.
1.2 &si-value;
This standard does not purport to address the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Significance and Use
Wear due to excessive friction resulting in shortened life of engine components such as fuel pumps and fuel controls has sometimes been ascribed to lack of lubricity in an aviation fuel.
The relationship of test results to aviation fuel system component distress due to wear has been demonstrated for some fuel/hardware combinations where boundary lubrication is a factor in the operation of the component.
The wear scar generated in the ball-on-cylinder lubricity evaluator (BOCLE) test is sensitive to contamination of the fluids and test materials, the presence of oxygen and water in the atmosphere, and the temperature of the test. Lubricity measurements are also sensitive to trace materials acquired during sampling and storage. Containers specified in Practice D 4306
The BOCLE test method may not directly reflect operating conditions of engine hardware. For example, some fuels that contain a high content of certain sulfur compounds may give anomalous test results.
Keywords
aviation turbine fuel; BOCLE; boundary lubrication; jet fuel; lubricity; wear; WSD; ICS Number Code 75.160.20 (Liquid fuels)
To find similar documents by ASTM Volume:
05.02 (Petroleum Products and Lubricants (II): D3711 - D6122)
05.03 (Petroleum Products and Lubricants (III): D6138 - D6971)
To find similar documents by classification:
75.160.20 (Liquid fuels Including gasoline, diesel, kerosene, etc.)
To find similar documents by Federal Supply Class Code:
FSC 91GP (Fuels, Lubricants, Oils, and Waxes -- General)
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Document Number
ASTM-D5001-06
Revision Level
2006 EDITION
Status
Superseded
Modification Type
Revision
Publication Date
Dec. 1, 2006
Document Type
Test Method
Page Count
7 pages
Committee Number
D02.J0.04