ASTM D2511-93(1998)e1

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn. Contact
ASTM International (www.astm.org) for the latest information.
e1
Designation: D 2511 – 93 (Reapproved 1998) An American National Standard
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Test Method for
Thermal Shock Sensitivity of Solid Film Lubricants
This standard is issued under the fixed designation D 2511; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This method has been adopted for use by government agencies to replace Method 3805 of Federal Test Method Standard No. 791b.
e NOTE—Paragraph 7.1 was corrected editorially in November 1998.
1. Scope 4. Summary of Test Method
1.1 This test method covers the measurement of the resis- 4.1 A steel panel having the solid film lubricant deposited
tance of dry solid film lubricants to deterioration when sub- on one surface is subjected to 260°C (500°F) heat followed by
jected to temperature extremes. immediate exposure to − 54°C (−65°F). The solid film is then
1.2 The values stated in SI units are to be regarded as the examined for cracking, flaking, blistering, or other evidence of
standard. The inch-pound units given in parentheses are for thermal instability.
information only.
5. Significance and Use
1.3 This standard does not purport to address all of the
5.1 Solid lubricant coatings are applied to surfaces that are
safety concerns, if any, associated with its use. It is the
exposed to heat and cold to such a degree that in many cases
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica- liquid lubricants are not practical. Adherence under these
conditions is mandatory to preserve the bearing surfaces during
bility of regulatory limitations prior to use.
sliding motion.
2. Referenced Documents
6. Apparatus
2.1 ASTM Standards:
A 167 Specification for Stainless and Heat-Resisting 6.1 Oven, capable of maintaining a temperature at 260 6
5.5°C (500 6 10°F) and 149 6 5.5°C (300 6 10°F) (forced
Chromium-Nickel Steel Plate, Sheet, and Strip
D 2510 Test Method for Adhesion of Solid Film Lubricants circulation).
6.2 Sub-Zero Cabinet, capable of maintaining a constant
D 4175 Terminology Relating to Petroleum, Petroleum
Products and Lubricants temperature of −54 6 0.5°C (−65 6 1°F).
6.3 Micrometer, reading 0 to 25 6 0.0025 mm, (0 to 1 6
2.2 U. S. Federal Specification:
P-D-680 Dry Cleaning Solvent 0.0001 in.) with a 1-ball anvil.
7. Reagents and Materials
3. Terminology
3.1 Definitions: 7.1 Test Panels, of corrosion-resistant steel, 76 by 152 by
0.914 mm (3 by 6 by 0.036 in.), conforming to Specification
3.1.1 lubricant, n—any material interposed between two
surfaces that reduces the friction or wear between them (see A 167, No. 2D finish, condition annealed. Type 321 has proved
satisfactory and is generally available.
Terminology 4175).
3.2 Definitions of Terms Specific to This Standard: 7.2 Dry Cleaning Solvent, conforming to U. S. Federal
3.2.1 dry solid film lubricant, n—on a steel surface, one Specification P-D-680.
consisting of friction-reducing powders bonded in tight matrix
8. Sampling, Test Specimens, and Test Units
to the surface of the metal.
8.1 Have a sufficient quantity of solid film mixture to
perform test. Prepare the test panels as follows:
This test method is under the jurisdiction of ASTM Committee D-2 on 8.1.1 Liq
...