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

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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. Within the text the inch-pounds 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.
Note 1—Additional procedures for determining compressive properties of polymer matrix composites may be found in Test Methods D 3410/D 3410M and D 695.
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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09-Oct-1997
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ASTM D5467/D5467M-97e1 - Standard Test Method for Compressive Properties of Unidirectional Polymer Matrix Composites Using a Sandwich Beam
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Designation: D 5467/D 5467M – 97
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 D 5467/D 5467M; 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 (e) indicates an editorial change since the last revision or reapproval.
1
e NOTE—The designation of this standard was editorially corrected to be “combined” in September 2002, in accordance with
Part H of ASTM’s Form and Style for ASTM Standards. Additionally, the inch-pound values were editorially placed in brackets
instead of parentheses throughout, in accordance with Part H of ASTM’s Form and Style.
1. Scope D 792 Test Methods for Density and Specific Gravity (Rela-
2
tive Density) of Plastics by Displacement
1.1 This test method covers the in-plane compressive prop-
2
D 883 Terminology Relating to Plastics
erties of polymer matrix composite materials reinforced by
D 2584 Test Method for Ignition Loss of Cured Reinforced
high-modulus fibers in a sandwich beam configuration. The
3
Resins
composite material forms are limited to continuous-fiber com-
D 2734 Test Method for Void Content of Reinforced Plas-
posites of unidirectional orientation. This test procedure intro-
3
tics
duces compressive load into a thin skin bonded to a thick
D 3171 Test Method for Constituent Content of Composite
honeycomb core with the compressive load transmitted into the
4
Materials
sample by subjecting the beam to four-point bending.
D 3410/D 3410M Test Method for Compressive Properties
1.2 This procedure is applicable primarily to laminates
of Polymer Matrix Composite Materials with Unsupported
made from prepreg or similar product forms. Other product
4
Gage Section by Shear Loading
forms may require deviations from the test method.
4
D 3878 Terminology for Composite Materials
1.3 The values stated in either SI units or inch-pound units
D 5229/D 5229M Test Method for Moisture Absorption
are to be regarded separately as standard. Within the text the
Properties and Equilibrium Conditioning of Polymer Ma-
inch-pounds units are shown in brackets. The values stated in
4
trix Composite Materials
each system are not exact equivalents; therefore, each system
5
E 4 Practices for Force Verification of Testing Machines
must be used independently of the other. Combining values
E 6 Terminology Relating to Methods of Mechanical Test-
from the two systems may result in nonconformance with the
5
ing
standard.
E 111 Test Method for Young’s Modulus, Tangent Modulus,
5
NOTE 1—Additional procedures for determining compressive proper-
and Chord Modulus
ties of polymer matrix composites may be found in Test Methods
E 122 Practice for Calculating Sample Size to Estimate,
D 3410/D 3410M and D 695.
With a Specified Tolerable Error, the Average for a
6
1.4 This standard does not purport to address all of the
Characteristic of a Lot or Process
safety concerns, if any, associated with its use. It is the
E 177 Practice for Use of the Terms Precision and Bias in
6
responsibility of the user of this standard to establish appro-
ASTM Test Methods
priate safety and health practices and determine the applica-
E 251 Test Methods for Performance Characteristics of
5
bility of regulatory limitations prior to use.
Metallic Bonded Resistance Strain Gages
6
E 456 Terminology Relating to Quality and Statistics
2. Referenced Documents
E 1237 Guide for Installing Bonded Resistance Strain
2.1 ASTM Standards: 5
Gages
D 695 Test Method for Compressive Properties of Rigid
E 1309 Guide for Idenitification of Fiber-Reinforced
2
Plastics 4
Polymer-Matrix Composite Materials in Databases
E 1434 Guide for Recording Mechanical Test Data of Fiber-
4
Reinforced Composite Materials in Databases
1
This test method is under the jurisdiction of ASTM Committee D30 on
Composite Materials and is the direct responsibility of Subcommittee D30.04 on
Lamina and Laminate Test Methods.
3
Annual Book of ASTM Standards, Vol 08.02.
Current edition approved Oct. 10, 1997. Published June 1998. Originally
4
Annual Book of ASTM Standards, Vol 15.03.
published as D 5467 – 93. Last previous edition D 5467 – 93.
5
Annual Book of ASTM Standards, Vol 03.01.
2
Annual Book of ASTM Standards, Vol 08.01.
6
Annual Book of ASTM Standards, Vol 14.02.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D 5467/D 5467M – 97
E 1471 Guide for Identification of Fibers, Fillers, and Core is referenced relative to the reference axis to define the ply
7
Materials in Computerized Material Proper
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