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ASTM-D6616:2006 Edition

ASTM-D6616:2006 Edition

$44.96

D6616-01a(2006) Standard Test Method for Measuring Viscosity at High Shear Rate by Tapered Bearing Simulator Viscometer At 100°C

Published By Publication Date Number of Pages
ASTM 2006 13
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ASTM D6616-01a-Reapproved2006

Historical Standard: Standard Test Method for Measuring Viscosity at High Shear Rate by Tapered Bearing Simulator Viscometer At 100°C

ASTM D6616

Scope

1.1 This test method covers the laboratory determination of the viscosity of engine oils at 100C and 1106s -1 using the Tapered Bearing Simulator (TBS) viscometer.This test method is similar to Test Method D 4683 which uses the same TBS viscometer to measure high shear viscosity at 150C.

1.2 The Newtonian calibration oils used to establish this test method range from approximately 5 to 12 mPas (cP) at 100C and either the manual or automated protocol was used by each participant in developing the precision statement. The viscosity range of the test method at this temperature is from 1 mPas (cP) to above 25 mPas (cP), depending on the model of TBS.

1.3 The non-Newtonian reference oil used to establish the shear rate of 1106s-1 for this test method has a viscosity of approximately 10 mPas at 100C.

1.4 Application to petroleum products other than engine oil has not been determined in preparing the viscometric information for this test method.

1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. This test method uses the milliPascal second (mPas) as the unit of viscosity. This unit is equivalent to the centiPoise (cP), which is shown in parentheses.

This standard does not purport to address all of 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 to determine the applicability of regulatory limitations prior to use.

Keywords

dynamic viscosity; high shear rate viscosity; high shear rate viscosity at 100C; high shear viscosity; high temperature viscosity; rotational viscometer; Tapered Bearing Simulator Viscometer

ICS Code

ICS Number Code 17.060 (Measurement of volume, mass, density, viscosity)

DOI: 10.1520/D6616-01AR06

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
2 Summary of Test Method
Significance and Use
Apparatus
3 FIG. 1
FIG. 2
4 FIG. 3
FIG. 4
5 Materials
Sampling
Preparation of Apparatus
Calibration
TABLE 1
6 Setting the Rotor Position at 1•10
s
Shear Rate – the Reciprocal Torque Intercept
TABLE 2
7 FIG. 5
8 Calibration of TBS Rotor and Stator
9 Analysis of Sample Oils – Obtaining Torque Values
Calculation of Viscosity
Maintenance of Instrument Precision
Report
Precision and Bias
10 Keywords
A1. ROUND ROBIN TEST METHOD FOR MEASURING VISCOSITY AT HIGH SHEAR RATE BY TAPERED BEARING SIMULATOR VISCOMETER AT 100°C USING AUTOMATED TECHNIQUE
A1.1 Summary of Automated Method
A1.2 Technical Terms and Identification
A1.3 Equipment and Materials Needed
A1.4 Preparation of TBS Viscometer for Automated Analysis
TABLE A1.1
11 A1.5 Establishing the Automated Rotor Position for 1·106s-1
FIG. A1.1
12 A1.6 Calibration of TBS Rotor and Stator
A1.7 Analysis of Sample Oils
13 A1.8 Report
A1.9 Precision and Bias
A1.10 Keywords

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