ASTM D 3028 : 1995
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Standard Test Method for Kinetic Coefficient of Friction of Plastic Solids (Withdrawn 2000)
Hardcopy , PDF
12-12-2000
English
31-12-2010
Important note : Users cannot be edited or removed once added to your Multi user PDF.CONTAINED IN VOL 08.02, 2000 Establishes the sliding friction of sheeting or plastic solids when sliding against similar or dissimilar substances through the speed range 0.10 to 3.00 m/s.
| Committee |
D 20
|
| DocumentType |
Test Method
|
| Pages |
9
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Withdrawn
|
1.1 This test method covers the determination of sliding (kinetic) friction of plastic solids or sheeting (as moving specimens) when sliding against similar or dissimilar substances (Note 1) (as fixed specimens) through the speed range of approximately 0.10 to 3.00 m/s. The instrument used is a variable speed, variable normal-force frictionometer. ,
Note 1-The physical form for these fixed specimens should be that of rigid or self-supporting solids. Attempts to mount thin sheeting, film, foil, etc., are not recommended due to the difficulty encountered when attempting to meet the weight and concentricity requirements (see 4.1.1).1.2 Rigid or self-supporting specimens must be machined to specified dimensions. Normally, sheeting exceeding 1.00 mm (0.040 in.) in thickness should not be tested on a mounting wheel of standard diameter.
Note 2-An error accumulation of 1% per 0.50 mm (0.020 in.) of sheeting thickness results as the standard diameter of the test surface is increased. If the resulting error is not tolerable, undersize mounting wheels can be employed.1.3 Two testing procedures are included. Selection of a procedure is determined by the specific interests of the investigator. The procedures are:
1.3.1 Procedure A -Determination of variable-velocity kinetic coefficients, and
1.3.2 Procedure B -Determination of constant-velocity kinetic coefficients over an extended period of time.
1.4 Test data obtained by this test method is relevant and appropriate for use in engineering design.
1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.6 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 determine the applicability of regulatory limitations prior to use .
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