ASTM-D5379 1998

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D5379/D5379M-98 Standard Test Method for Shear Properties of Composite Materials by the V-Notched Beam Method

Published By	Publication Date	Number of Pages
ASTM	1998	13

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Categories: 83.140.20 - Laminated sheets, ASTM

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Description

ASTM D5379/D5379M-98

Historical Standard: Standard Test Method for Shear Properties of Composite Materials by the V-Notched Beam Method

ASTM D5379/D5379M

Scope

1.1 This test method determines the shear properties of composite materials reinforced by high-modulus fibers. The composite materials are limited to continuous-fiber or discontinuous-fiber reinforced composites in the following material forms:

1.1.1 Laminates composed only of unidirectional fibrous laminae, with the fiber direction oriented either parallel or perpendicular to the loading axis.

1.1.2 Laminates composed only of woven-fabric filamentary laminae with the warp direction oriented either parallel or perpendicular to the loading axis.

1.1.3 Laminates composed only of unidirectional fibrous laminae, containing equal numbers of plies oriented at 0 and 90° in a balanced and symmetric stacking sequence, with the 0° direction oriented either parallel or perpendicular to the loading axis.

1.1.4 Short-fiber reinforced composites with a majority of the fibers being randomly distributed.

Note 1-This shear test concept was originally developed without reference to fiber direction for use on isotropic materials such as metals or ceramics.

1.2 This standard does not purport to address all of the safety problems, 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.

1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text 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.

Keywords

Composites; High modulus fibrous composites; In-plane shear properties; Interlaminar shear strength; Laminates; Notch testing; Polymers-composites; Shear testing-aerospace materials; Shear testing-shear modulus; V-notched beam method

ICS Code

ICS Number Code 83.140.20 (Laminated sheets)

DOI: 10.1520/D5379_D5379M-98

Additional information

Standard Title	D5379/D5379M-98 Standard Test Method for Shear Properties of Composite Materials by the V-Notched Beam Method
Published Code	ASTM
Publication Date	1998
Pages Count	13
ICS Codes	83.140.20 - Laminated sheets