Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM D5766/D5766M-02a(2007)

Standard Test Method for Open Hole Tensile Strength of Polymer Matrix Composite Laminates

Standard Test Method for Open Hole Tensile Strength of Polymer Matrix Composite Laminates D5766_D5766M-02AR07 ASTM|D5766_D5766M-02AR07|en-US Standard Test Method for Open Hole Tensile Strength of Polymer Matrix Composite Laminates Standard new BOS Vol. 15.03 Committee D30
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Significance and Use

This test method is designed to produce notched tensile strength data for structural design allowables, material specifications, research and development, and quality assurance. Factors that influence the notched tensile strength and should therefore be reported include the following: material, methods of material fabrication, accuracy of lay-up, laminate stacking sequence and overall thickness, specimen geometry (including hole diameter, diameter-to-thickness ratio, and width-to-diameter ratio), specimen preparation (especially of the hole), specimen conditioning, environment of testing, specimen alignment and gripping, speed of testing, time at temperature, void content, and volume percent reinforcement. Properties that may be derived from this test method include the following:

5.1.1 Open-hole (notched) tensile strength (OHT).

Scope

1.1 This test method determines the open hole tensile strength of multidirectional polymer matrix composite laminates reinforced by high-modulus fibers. The composite material forms are limited to continuous-fiber or discontinuous-fiber (tape or fabric, or both) reinforced composites in which the laminate is balanced and symmetric with respect to the test direction. The range of acceptable test laminates and thicknesses are described in 8.2.1.

1.2 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.

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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Details
Book of Standards Volume: 15.03
Developed by Subcommittee: D30.05
Pages: 6
DOI: 10.1520/D5766_D5766M-02AR07
ICS Code: 83.120