ASTM D6484/D6484M-23
(Test Method)Standard Test Method for Open-Hole Compressive Strength of Polymer Matrix Composite Laminates
Standard Test Method for Open-Hole Compressive Strength of Polymer Matrix Composite Laminates
SIGNIFICANCE AND USE
5.1 Refer to Guide D8509.
SCOPE
1.1 This test method determines the open-hole compressive 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 Several related ASTM standards reference the procedures and apparatus described within this test method. In particular, the support fixture described in 7.2 is used by several other standards to stabilize compression-loaded test specimens. These include Practice D6742/D6742M, which covers filled-hole compression testing; Practice D7615/D7615M, which covers open-hole fatigue testing; and Practice D8066/D8066M, which covers unnotched laminate compression testing.
1.3 Units—The 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.
1.3.1 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.
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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: D6484/D6484M − 23
Standard Test Method for
Open-Hole Compressive Strength of Polymer Matrix
1
Composite Laminates
This standard is issued under the fixed designation D6484/D6484M; 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 test method determines the open-hole compressive
strength of multidirectional polymer matrix composite lami-
2. Referenced Documents
nates reinforced by high-modulus fibers. The composite mate-
2
2.1 ASTM Standards:
rial forms are limited to continuous-fiber or discontinuous-fiber
D792 Test Methods for Density and Specific Gravity (Rela-
(tape or fabric, or both) reinforced composites in which the
tive Density) of Plastics by Displacement
laminate is balanced and symmetric with respect to the test
D883 Terminology Relating to Plastics
direction. The range of acceptable test laminates and thick-
D2584 Test Method for Ignition Loss of Cured Reinforced
nesses are described in 8.2.1.
Resins
1.2 Several related ASTM standards reference the proce-
D2734 Test Methods for Void Content of Reinforced Plastics
dures and apparatus described within this test method. In
D3039/D3039M Test Method for Tensile Properties of Poly-
particular, the support fixture described in 7.2 is used by
mer Matrix Composite Materials
several other standards to stabilize compression-loaded test
D3171 Test Methods for Constituent Content of Composite
specimens. These include Practice D6742/D6742M, which
Materials
covers filled-hole compression testing; Practice D7615/
D3878 Terminology for Composite Materials
D7615M, which covers open-hole fatigue testing; and Practice
D5229/D5229M Test Method for Moisture Absorption Prop-
D8066/D8066M, which covers unnotched laminate compres-
erties and Equilibrium Conditioning of Polymer Matrix
sion testing.
Composite Materials
1.3 Units—The values stated in either SI units or inch- D5687/D5687M Guide for Preparation of Flat Composite
pound units are to be regarded separately as standard. The
Panels with Processing Guidelines for Specimen Prepara-
values stated in each system are not necessarily exact equiva-
tion
lents; therefore, to ensure conformance with the standard, each D6742/D6742M Practice for Filled-Hole Tension and Com-
system shall be used independently of the other, and values
pression Testing of Polymer Matrix Composite Laminates
from the two systems shall not be combined. D7615/D7615M Practice for Open-Hole Fatigue Response
1.3.1 Within the text, the inch-pound units are shown in
of Polymer Matrix Composite Laminates
brackets. D8066/D8066M Practice Unnotched Compression Testing
of Polymer Matrix Composite Laminates
1.4 This standard does not purport to address all of the
D8509 Guide for Test Method Selection and Test Specimen
safety concerns, if any, associated with its use. It is the
Design for Bolted Joint Related Properties
responsibility of the user of this standard to establish appro-
E4 Practices for Force Calibration and Verification of Test-
priate safety, health, and environmental practices and deter-
ing Machines
mine the applicability of regulatory limitations prior to use.
E6 Terminology Relating to Methods of Mechanical Testing
1.5 This international standard was developed in accor-
E83 Practice for Verification and Classification of Exten-
dance with internationally recognized principles on standard-
someter Systems
ization established in the Decision on Principles for the
E122 Practice for Calculating Sample Size to Estimate, With
Development of International Standards, Guides and Recom-
Specified Precision, the Average for a Characteristic of a
Lot or Process
1
This test method is under the jurisdiction of ASTM Committee D30 on
Composite Materials and is the direct responsibility of Subcommittee D30.05 on
2
Structural Test Methods. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Sept. 1, 2023. Published October 2023. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1999. Last previous edition approved in 2020 as D6484/D6484M – 20. Standards volume information, refer to the standard’s Document Summary page on
DOI: 10.1520/D6484_D6484M-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: D6484/D6484M − 20 D6484/D6484M − 23
Standard Test Method for
Open-Hole Compressive Strength of Polymer Matrix
1
Composite Laminates
This standard is issued under the fixed designation D6484/D6484M; 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 test method determines the open-hole compressive 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 Several related ASTM standards reference the procedures and apparatus described within this test method. In particular, the
support fixture described in 7.2 is used by several other standards to stabilize compression-loaded test specimens. These include
Practice D6742/D6742M, which covers filled-hole compression testing; Practice D7615/D7615M, which covers open-hole fatigue
testing; and Practice D8066/D8066M, which covers unnotched laminate compression testing.
1.3 Units—The 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.
1.3.1 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
D2584 Test Method for Ignition Loss of Cured Reinforced Resins
D2734 Test Methods for Void Content of Reinforced Plastics
1
This test method 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. 1, 2020Sept. 1, 2023. Published November 2020October 2023. Originally approved in 1999. Last previous edition approved in 20142020
as D6484/D6484M – 14.D6484/D6484M – 20. DOI: 10.1520/D6484_D6484M-20.10.1520/D6484_D6484M-23.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. 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
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D6484/D6484M − 23
D3039/D3039M Test Method for Tensile Properties of Polymer Matrix Composite Materials
D3171 Test Methods for Constituent Content of Composite Materials
D3878 Terminology for Composite Materials
D5229/D5229M Test Method for Moisture Absorption Properties and Equilibrium Conditioning of Polymer Matrix Composite
Materials
D5687/D5687M Guide for Preparation of Flat Composite Panels with Processing Guidelines for Specimen Preparation
D6742/D6742M Practice for Filled-Hole Tension and Compression Testing of Polymer Matrix Composite Laminates
D7615/D7615M Practice for Open-Hole Fatigue Response of Polymer Matrix Composite Laminates
D8066/D8066M Practice Unnotched Compression Testing of Polymer Matrix Composite Laminates
D8509 Guide for Test Method Selection and Test Specimen Design for Bolted Joint Related Properties
E4 Practices for Force Calibration and Verification of Testing Machines
E6 Terminology Relat
...
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