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Compressive Properties of Polymer Matrix Composite Materials by Shear Loading ASTM D3410

ASTM D3410, D3410M

This method determines in-plane compressive properties by applying the compressive force into the specimen at wedge grip interfaces. ASTM D3410 is most appropriate for composites materials reinforced by high-modulus fibers including tape and textile, but other materials may be tested. The test fixture is designed to provide a compressive load to the unsupported center 12 to 25 mm (0.5 to 1 inch) gauge length of the specimen.

Test Procedure:
A fixture is used to align the specimen in the wedge grips and the grips are tightened. The wedges are inserted into the compression fixture, and if an extensometer is being used to measure strain, it is attached to the specimen. The specimen is compressed to failure.

Specimen size:
Specimens should have a uniform rectangular cross section, 140 mm to155 mm (5.5 in to 6 in) long. The recommended width can be 12 mm (0.5 in) or 25 mm (1 in). A variety of thicknesses can be accommodated. Tabs can be bonded to the ends of the thin specimens to ensure failure in the unsupported gauge length.

Properties in test direction include:
Ultimate compressive strength
Ultimate compressive strain
Compressive chord modulus of elasticity
Compressive Poissonís Ratio
Three-part failure identification codes

Equipment Used:
Universal Tester
Shear loading fixture
Strain-Indicating Device

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**Please note that this test description is intentionally generic in nature and aimed at providing a descriptive summary to enhance test understanding. For more information please contact a Intertek PTL Technical Representative at . Due to copyright restrictions, we are not able to provide copies of standards. Standards can be obtained from appropriate standards authorities.

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