ASTM-D6641 Historical Revision Information
Standard Test Method for Compressive Properties of Polymer Matrix Composite Materials Using a Combined Loading Compression (CLC) Test Fixture

ASTM-D6641 - 2001 EDITION - SUPERSEDED
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Standard Test Method for Compressive Properties of Polymer Matrix Composite Materials Using a Combined Loading Compression (CLC) Test Fixture
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Scope

1.1 This test method establishes a procedure for determining the compressive strength and stiffness properties of polymer matrix composite materials using a combined loading compression (CLC) (1) or comparable test fixture. This test method is applicable to general flat laminates that are balanced and symmetric and contain at least one 0o ply. The standard specimen is untabbed, and, thus, for strength determination, the laminate is limited to a maximum of 50 % 0o plies, or equivalent (see 6.4).

1.2 The compressive force is introduced into the specimen by combined end- and shear-loading. In comparison, Test Method D3410/D3410M is a pure shear-loading compression test method and Test Method D695 is a pure end-loading test method.

1.3 Unidirectional (0o ply orientation) composites can be tested to determine unidirectional composite modulus and Poisson's ratio, but not compressive strength.

1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the test the inch-pound units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.

Note 1--Additional procedures for determining the compressive properties of polymer matrix composites may be found in Test Methods D3410/D3410M, D5467, and D695.

1.5 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.

Keywords

combined loading; composite materials; compressive modulus of elasticity; compressive properties; compressive strength; Poisson's ratio; ICS Number Code 83.140.10 (Films and sheets)

To find similar documents by ASTM Volume:

15.03 (Space Simulation; Aerospace and Aircraft; Composite Materials)

To find similar documents by classification:

83.140.10 (Films and sheets Including plates)

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Document Number

ASTM-D6641/D6641M-01

Revision Level

2001 EDITION

Status

Superseded

Publication Date

March 10, 2001

Document Type

Test Method

Page Count

9 pages

Committee Number

D30.04