Standard Test Method for Compressive Properties of Unidirectional Polymer Matrix Composite Materials Using a Sandwich Beam

SIGNIFICANCE AND USE
5.1 This test method is designed to produce membrane compressive property data for material specifications, research and development, quality assurance, and structural design and analysis. Factors that influence the compressive response and should therefore be reported include the following: material, methods of material and specimen preparation, specimen conditioning, environment of testing, specimen alignment, speed of testing, time at reinforcement. Properties, in the test direction, that may be obtained from this test method include:  
5.1.1 Ultimate compressive strength,  
5.1.2 Ultimate compressive strain,  
5.1.3 Compressive (linear or chord) modulus of elasticity, and  
5.1.4 Transition strain.
SCOPE
1.1 This test method covers the in-plane compressive properties of polymer matrix composite materials reinforced by high-modulus fibers in a sandwich beam configuration. The composite material forms are limited to continuous-fiber composites of unidirectional orientation. This test procedure introduces compressive load into a thin skin bonded to a thick honeycomb core with the compressive load transmitted into the sample by subjecting the beam to four-point bending.  
1.2 This procedure is applicable primarily to laminates made from prepreg or similar product forms. Other product forms may require deviations from the test method.  
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.  
Note 1: Additional procedures for determining compressive properties of polymer matrix composites may be found in Test Methods D3410/D3410M and D695.  
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 and health practices and determine the applicability of regulatory limitations prior to use.

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ASTM D5467/D5467M-97(2017) - Standard Test Method for Compressive Properties of Unidirectional Polymer Matrix Composite Materials Using a Sandwich Beam
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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: D5467/D5467M − 97 (Reapproved 2017)
Standard Test Method for
Compressive Properties of Unidirectional Polymer Matrix
1
Composite Materials Using a Sandwich Beam
This standard is issued under the fixed designation D5467/D5467M; 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 D695Test Method for Compressive Properties of Rigid
Plastics
1.1 This test method covers the in-plane compressive prop-
D792Test Methods for Density and Specific Gravity (Rela-
erties of polymer matrix composite materials reinforced by
tive Density) of Plastics by Displacement
high-modulus fibers in a sandwich beam configuration. The
D883Terminology Relating to Plastics
composite material forms are limited to continuous-fiber com-
D2584Test Method for Ignition Loss of Cured Reinforced
posites of unidirectional orientation. This test procedure intro-
Resins
duces compressive load into a thin skin bonded to a thick
D2734TestMethodsforVoidContentofReinforcedPlastics
honeycombcorewiththecompressiveloadtransmittedintothe
D3171Test Methods for Constituent Content of Composite
sample by subjecting the beam to four-point bending.
Materials
1.2 This procedure is applicable primarily to laminates
D3410/D3410MTest Method for Compressive Properties of
made from prepreg or similar product forms. Other product
Polymer Matrix Composite Materials with Unsupported
forms may require deviations from the test method.
Gage Section by Shear Loading
D3878Terminology for Composite Materials
1.3 The values stated in either SI units or inch-pound units
are to be regarded separately as standard. The values stated in D5229/D5229MTestMethodforMoistureAbsorptionProp-
erties and Equilibrium Conditioning of Polymer Matrix
each system may not be exact equivalents; therefore, each
system shall be used independently of the other. Combining Composite Materials
E4Practices for Force Verification of Testing Machines
values from the two systems may result in non-conformance
with the standard. E6Terminology Relating to Methods of MechanicalTesting
E111Test Method for Young’s Modulus, Tangent Modulus,
1.3.1 Within the text the inch-pound units are shown in
brackets. and Chord Modulus
E122PracticeforCalculatingSampleSizetoEstimate,With
NOTE1—Additionalproceduresfordeterminingcompressiveproperties
Specified Precision, the Average for a Characteristic of a
of polymer matrix composites may be found in Test Methods D3410/
Lot or Process
D3410M and D695.
E177Practice for Use of the Terms Precision and Bias in
1.4 This standard does not purport to address all of the
ASTM Test Methods
safety concerns, if any, associated with its use. It is the
E251Test Methods for Performance Characteristics of Me-
responsibility of the user of this standard to establish appro-
tallic Bonded Resistance Strain Gages
priate safety and health practices and determine the applica-
E456Terminology Relating to Quality and Statistics
bility of regulatory limitations prior to use.
E1237Guide for Installing Bonded Resistance Strain Gages
E1309 Guide for Identification of Fiber-Reinforced
2. Referenced Documents
Polymer-Matrix Composite Materials in Databases(With-
2
2.1 ASTM Standards: 3
drawn 2015)
E1434Guide for Recording Mechanical Test Data of Fiber-
ReinforcedCompositeMaterialsinDatabases(Withdrawn
3
1
This test method is under the jurisdiction of ASTM Committee D30 on
2015)
Composite Materials and is the direct responsibility of Subcommittee D30.04 on
E1471Guide for Identification of Fibers, Fillers, and Core
Lamina and Laminate Test Methods.
Materials in Computerized Material Property Databases
Current edition approved Jan. 1, 2017. Published January 2017. Originally
3
approved in 1993. Last previous edition approved in 2010 as D5467/D5467M–97 (Withdrawn 2015)
(2010). DOI: 10.1520/D5467_D5467M-97R17.
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
3
Standards volume information, refer to the standard’s Document Summary page on The last approved version of this historical standard is referenced on
the ASTM website. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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D5467/D5467M − 97 (2017)
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