ASTM D6742/D6742M-23

Standard Practice for Filled-Hole Tension and Compression Testing of Polymer Matrix Composite Laminates

SIGNIFICANCE AND USE
5.1 Refer to Guide D8509.
SCOPE
1.1 This practice provides instructions for modifying open-hole tension and compression test methods to determine filled-hole tensile and compressive strengths. The composite material forms are limited to continuous-fiber reinforced polymer matrix composites in which the laminate is both symmetric and balanced with respect to the test direction. The range of acceptable test laminates and thicknesses are described in 8.2.1.  
1.2 This practice supplements Test Methods D5766/D5766M (for tension testing) and D6484/D6484M (for compression testing) with provisions for testing specimens that contain a close-tolerance fastener or pin installed in the hole. Several important test specimen parameters (for example, fastener selection, fastener installation method, and fastener hole tolerance) are not mandated by this practice; however, repeatable results require that these parameters be specified and reported.  
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.  
1.3.1 Within the text the inch-pound units are shown in brackets.  
1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 This 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.

General Information

• Status: Published
• Publication Date: 31-Aug-2023
• ICS: 83.120 - Reinforced plastics
• Technical Committee: D30 - Composite Materials
• Drafting Committee: D30.05 - Structural Test Methods

Relations

• Replaces: ASTM D6742/D6742M-17 - Standard Practice for Filled-Hole Tension and Compression Testing of Polymer Matrix Composite Laminates
• Effective Date: 01-Sep-2023
• Refers: ASTM D6484/D6484M-20 - Standard Test Method for Open-Hole Compressive Strength of Polymer Matrix Composite Laminates
• Effective Date: 01-Oct-2020
• Referred By: ASTM D4762-23 - Standard Guide for Testing Polymer Matrix Composite Materials
• Effective Date: 01-Sep-2023
• Referred By: ASTM D6484/D6484M-23 - Standard Test Method for Open-Hole Compressive Strength of Polymer Matrix Composite Laminates
• Effective Date: 01-Sep-2023
• Referred By: ASTM D7248/D7248M-23 - Standard Test Method for High Bearing - Low Bypass Interaction Response of Polymer Matrix Composite Laminates Using 2-Fastener Specimens
• Effective Date: 01-Sep-2023
• Referred By: ASTM D8509/D8509M-23 - Standard Guide for Test Method Selection and Test Specimen Design for Bolted Joint Related Properties
• Effective Date: 01-Sep-2023
• Referred By: ASTM D8387/D8387M-23 - Standard Test Method for High Bypass – Low Bearing Interaction Response of Polymer Matrix Composite Laminates
• Effective Date: 01-Sep-2023

Standards Content (Sample)

This 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.
Designation: D6742/D6742M − 23
Standard Practice for
Filled-Hole Tension and Compression Testing of Polymer
1
Matrix Composite Laminates
This standard is issued under the fixed designation D6742/D6742M; the number immediately following the designation indicates the
year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last
reapproval. A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
1.1 This practice provides instructions for modifying open-
hole tension and compression test methods to determine
2. Referenced Documents
filled-hole tensile and compressive strengths. The composite
2
2.1 ASTM Standards:
material forms are limited to continuous-fiber reinforced poly-
D792 Test Methods for Density and Specific Gravity (Rela-
mer matrix composites in which the laminate is both symmetric
tive Density) of Plastics by Displacement
and balanced with respect to the test direction. The range of
D883 Terminology Relating to Plastics
acceptable test laminates and thicknesses are described in
D3171 Test Methods for Constituent Content of Composite
8.2.1.
Materials
1.2 This practice supplements Test Methods D5766/
D3878 Terminology for Composite Materials
D5766M (for tension testing) and D6484/D6484M (for com-
D5229/D5229M Test Method for Moisture Absorption Prop-
pression testing) with provisions for testing specimens that
erties and Equilibrium Conditioning of Polymer Matrix
contain a close-tolerance fastener or pin installed in the hole.
Composite Materials
Several important test specimen parameters (for example,
D5766/D5766M Test Method for Open-Hole Tensile
fastener selection, fastener installation method, and fastener
Strength of Polymer Matrix Composite Laminates
hole tolerance) are not mandated by this practice; however,
D6484/D6484M Test Method for Open-Hole Compressive
repeatable results require that these parameters be specified and
Strength of Polymer Matrix Composite Laminates
reported.
D6507 Practice for Fiber Reinforcement Orientation Codes
1.3 The values stated in either SI units or inch-pound units
for Composite Materials
are to be regarded separately as standard. The values stated in
D8509 Guide for Test Method Selection and Test Specimen
each system may not be exact equivalents; therefore, each
Design for Bolted Joint Related Properties
system shall be used independently of the other. Combining
E6 Terminology Relating to Methods of Mechanical Testing
values from the two systems may result in non-conformance
E177 Practice for Use of the Terms Precision and Bias in
with the standard.
ASTM Test Methods
1.3.1 Within the text the inch-pound units are shown in
E456 Terminology Relating to Quality and Statistics
brackets.
3. Terminology
1.4 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
3.1 Definitions—Terminology D3878 defines terms relating
responsibility of the user of this standard to establish appro-
to high-modulus fibers and their composites. Terminology
priate safety, health, and environmental practices and deter-
D883 defines terms relating to plastics. Terminology E6 defines
mine the applicability of regulatory limitations prior to use.
terms relating to mechanical testing. Terminology E456 and
1.5 This international standard was developed in accor-
Practice E177 define terms relating to statistics. In the event of
dance with internationally recognized principles on standard-
a conflict between terms, Terminology D3878 shall have
ization established in the Decision on Principles for the
precedence over the other standards.
Development of International Standards, Guides and Recom-
3.2 Definitions of Terms Specific to This Standard—Refer to
Guide D8509.
1
This practice is under the jurisdiction of ASTM Committee D30 on Composite
Materials, and is the direct responsibility of Subcommittee D30.05 on Structural
2
Test Methods. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Sept. 1, 2023. Published September 2023. Originally contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
approved in 2001. Last previous edition approved in 2017 as D6742/D6742M – 17. Standards volume information, refer to the standard’s Document Summary page on
DOI: 10.1520/D6742_D6742M-23. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

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...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D6742/D6742M − 17 D6742/D6742M − 23
Standard Practice for
Filled-Hole Tension and Compression Testing of Polymer
1
Matrix Composite Laminates
This standard is issued under the fixed designation D6742/D6742M; the number immediately following the designation indicates the
year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last
reapproval. A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This practice provides instructions for modifying open-hole tension and compression test methods to determine filled-hole
tensile and compressive strengths. The composite material forms are limited to continuous-fiber reinforced polymer matrix
composites in which the laminate is both symmetric and balanced with respect to the test direction. The range of acceptable test
laminates and thicknesses are described in 8.2.1.
1.2 This practice supplements Test Methods D5766/D5766M (for tension testing) and D6484/D6484M (for compression testing)
with provisions for testing specimens that contain a close-tolerance fastener or pin installed in the hole. Several important test
specimen parameters (for example, fastener selection, fastener installation method, and fastener hole tolerance) are not mandated
by this practice; however, repeatable results require that these parameters be specified and reported.
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each
system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the
two systems may result in non-conformance with the standard.
1.3.1 Within the text the inch-pound units are shown in brackets.
1.4 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, health, and environmental practices and determine the applicability of
regulatory limitations prior to use.
1.5 This 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.
2. Referenced Documents
2
2.1 ASTM Standards:
D792 Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement
D883 Terminology Relating to Plastics
D3171 Test Methods for Constituent Content of Composite Materials
D3878 Terminology for Composite Materials
1
This practice is under the jurisdiction of ASTM Committee D30 on Composite Materials, and is the direct responsibility of Subcommittee D30.05 on Structural Test
Methods.
Current edition approved Oct. 15, 2017Sept. 1, 2023. Published October 2017September 2023. Originally approved in 2001. Last previous edition approved in 20122017
as D6742/D6742M – 12.D6742/D6742M – 17. DOI: 10.1520/D6742_D6742M-17.10.1520/D6742_D6742M-23.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D6742/D6742M − 23
D5229/D5229M Test Method for Moisture Absorption Properties and Equilibrium Conditioning of Polymer Matrix Composite
Materials
D5766/D5766M Test Method for Open-Hole Tensile Strength of Polymer Matrix Composite Laminates
D6484/D6484M Test Method for Open-Hole Compressive Strength of Polymer Matrix Composite Laminates
D6507 Practice for Fiber Reinforcement Orientation Codes for Composite Materials
D8509 Guide for Test Method Selection and Test Specimen Design for Bolted Joint Related Properties
E6 Terminology Relating to Methods of Mechanical Testing
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E456 Terminology Relating to Quality and Statistics
3. Terminology
3.1 Definitions—Terminology D3878 defines terms relating to high-modulus fibers and their composites. Terminology D883
defines terms relating to plastics. Terminology E6 defines terms relating to mechanical testing. Terminology E456 and Practice
E177 define
...