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ASTM D 7905/D7905M : 2019 : EDT 1

Current
Current

The latest, up-to-date edition.

Standard Test Method for Determination of the Mode II Interlaminar Fracture Toughness of Unidirectional Fiber-Reinforced Polymer Matrix Composites
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

11-01-2019

1.1This test method covers the determination of the mode II interlaminar fracture toughness, GIIc, of unidirectional fiber-reinforced polymer matrix composite laminates under mode II shear loading using the end-notched flexure (ENF) test (Fig. 1).

FIG. 1ENF Test Fixture and Specimen Nomenclature

ENF Test Fixture and Specimen NomenclatureENF Test Fixture and Specimen Nomenclature

1.2This method is limited to use with composites consisting of unidirectional carbon-fiber- and glass-fiber-reinforced laminates. This limited scope reflects the experience gained in round robin testing. This test method may prove useful for other types and classes of composite materials; however, certain interferences have been noted (see Section 6).

1.3The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.

1.3.1Within the text the inch-pound units are shown in brackets.

1.4This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Committee
D 30
DocumentType
Test Method
Pages
18
ProductNote
ε1 NOTE—Editorial changes were made to Table 1 in November 2019
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

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ASTM E 691 : 2022 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ASTM E 691 : 2009 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ASTM E 6 : 2015 : EDT 3 Standard Terminology Relating to Methods of Mechanical Testing
ASTM D 3878 : 2020 : REV B Standard Terminology for Composite Materials
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ASTM E 4 : 2021 Standard Practices for Force Calibration and Verification of Testing Machines
ASTM E 691 : 2021 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ASTM D 7264/D7264M : 2015 Standard Test Method for Flexural Properties of Polymer Matrix Composite Materials
ASTM D 3878 : 2020 : REDLINE Standard Terminology for Composite Materials
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ASTM E 6 : 2015 : EDT 4 : REDLINE Standard Terminology Relating to Methods of Mechanical Testing
ASTM E 6 : 2015 : EDT 4 Standard Terminology Relating to Methods of Mechanical Testing
ASTM D 3171 : 2015 Standard Test Methods for Constituent Content of Composite Materials
ASTM E 6 : 2023 Standard Terminology Relating to Methods of Mechanical Testing
ASTM E 456 : 2013 : REV A : R2017 : EDT 4 Standard Terminology Relating to Quality and Statistics
ASTM E 456 : 2013 : REV A : R2017 : EDT 6 Standard Terminology Relating to Quality and Statistics
ASTM D 3878 : 2001 Standard Terminology Composite Materials

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